GMC Vintage RVing Magazine - Spring 2019

Spring 2019 | Issue 147

GMC MOTORHOMES INTERNATIONAL

A magazine dedicated to promoting the legacy and use of GMC Motorhomes Brought to you by GMC Motorhomes International

The Eleganza Models

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2019 Spring Convention in Tallahassee, Florida

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GMC Motorhome Vendor Profile

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GMC Motorhome Chapters

president’s corner

GMC MOTORHOMES INTERNATIONAL

GMC Motorhomes International was founded in 1982 by Ralph Luby >> GMC Motorhomes International 1402 So Cage Blvd, Unit 273 Pharr, TX 78577 | 612-501-4600 admin@gmcmi.com | gmcmi.com

It was great seeing many of you in Tallahassee!

The weather was great, and the location worked well for us. Overall, a resounding success! Our usual technical sessions were well done, and a fire panel which shared important information.

>> GMC Vintage RVing Magazine Published quarterly for members of GMC Motorhomes International.

A chapter of the Family Motor Coach Association (FMCA).

Not to mention, a lot of fun…including a visit by Captain Jack Sparrow, who was a marvelous actor and quite a personality. The background and ship’s wheel that was provided made for many memorable photographs and fun was had by all.

Managing Editor | Graphic Designer Kimberlea Weeks | 612-501-4600 admin@gmcmi.com

Dolph Santorine

Editor Janet Frey | 215-536-9064 freyjanetr@yahoo.com

We received some favorable press in Tallahassee’s newspaper, and even had some locals drop in to say “hello”. Hopefully, they will join us in the future. See page 26 for photos and a recap of “Tallahassee Treasures”.

>> Online Version A digital flipbook version of the magazine is available online at gmcmi.com/gmc-vintage-rving/.

Associations like GMCMI work because of the volunteers who give freely of their time and add their life experience and insight to what we do. When it all comes together, we do the right things, and do them well.

>> GMC Article and Part Number Submission Please send article contributions and newly found part number crossovers to the managing editor. >> GMCMI.com Website 612-501-4600 | admin@gmcmi.com >> Disclaimer Articles are contributed by members and others which are published as a service to members. Accuracy is not guaranteed.

Independent verification is urged. ©2019 GMC Motorhomes International

Last year, one member asked for a “non-discrimination” statement to be added.

While on the surface it seemed it was something we already do, but after further reflection, there was something there that needed to be said. There was much discussion about the wording of the statement, and a version that we could all agree upon was crafted.

The following was presented and approved at the Spring “I am proud Membership Meeting which has been added to our to be a part of this standing rules: “GMCMI is committed to maintaining an Community, and have environment of non-discrimination and non-coercion on the basis of race, gender, color, religion, handicap or been impressed by political preferences.” This statement will also appear on the wide-variety of our website, magazines, etc. people it attracts” I am proud to be a part of this Community, and have

2018-19 GMCMI Board of Directors Dolph Santorine President

Gary Coaster VP Western

Margie McLaughlin Jerry Work VP Northeast VP Northwest David Blackshear VP Eastern

Kim Weeks VP Administration

Lou Boone VP Southeast

Janet Frey Secretary

Randy Van Winkle VP South Central

Fred Hudspeth Treasurer

Dale Ropp VP Great Lakes

John Smyrski National Director

Lucy Weidner VP Midwest

Keith Weeks Alt. Nat. Director

Emery Stora VP Rocky Mountain

Stan Edwards Past President

Non-Discrimination Statement: GMCMI is committed to maintaining an environment of non-discrimination and noncoercion on the basis of race, gender, color, religion, handicap or political preferences.

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The set up crew even assembled a plank for us to walk and a handmade “treasure chest”!

GMC VINTAGE RVING MAGAZINE | GMCMI.COM

– DOLPH SANTORINE, GMCMI PRESIDENT

been impressed by the wide-variety of people it attracts.

In Tallahassee, a Nominating Committee was formed. The Nominating Committee is charged with presenting a slate of officers for next year at the Fall Convention in Mansfield, Ohio.

The committee is chaired by Joanna Tanner, with members David Blackshear, Jim Hadcock, Jim Kanomata, and Margie McLaughlin.

An Audit Committee of Nancy Doane and Joanna Tanner reviewed the books of the VP of Administration and the Treasurer, and all was found to be in order. Thank you for your service.

All communities have members who face challenges, and within the past few months, we have had a few and lost a number of them. There are also some who are currently bravely facing health challenges. You know your GMC Community are keeping you in their thoughts and prayers.

Make sure the Convention in Mansfield, October 4-10, is on your calendar. In the meantime, I hope to see many of you at the regional events that I will be visiting.

Travel well. Onward.

In This Mailing...

GMCMI Chapter Status

Included in the Spring 2019 mailing is the Spring issue of GMC Vintage RVing, the 2019 GMCMI Membership Roster, 2019 GMCMH Part Interchange and 2019 GMCMI Article Index.

Membership stands at 891.

These are just a few of the benefits of membership.

Check gmcmi.com for additional benefits.

Refer a new member today!

Receive a $10 voucher which can be used towards renewal of GMCMI dues, products, apparel or fees for a Convention.

CONTENTS SPRING 2019

The GMC

Keep informed about GMCMI Events and Members.

Join us at facebook.com/ GMCMI

Models 4 | THE ELEGANZA SE AND ELEGANZA II

Read the flipbook version of the GMC Vintage RVing magazine online at gmcmi.com

DEPARTMENTS 2 President’s Corner 12 FMCA Report 13 GMCMH Vendor Profile 14 Sunshine Report 15 GMC Motorhome History 16 Technical Corner 29 GMCMH Suppliers List 31 Classified Ads 33 GMCMH Chapters 35 GMCMH Events Calendar

Be part of the GMC Community Facebook page by sharing photos of our GMCs, adventures and those important technical questions.

Join us at facebook.com/ groups/vintage gmcmotorhomes/

26 | GMCMI 2019 SPRING CONVENTION

ON THE COVER | Pictured is a 1978 Eleganza II owned by Russell and Jenny Keith of Dunedin, Florida. The coach is a standard 26-3 layout previously owned by long-time GMCMI members Harry and Betsy Grant (Jenny’s best friend’s parents). In honor of the Grants they have named the coach “Harry”.

“Harry” has appeared twice on the cover of GMC Motorhome Marketplace magazine! Downloadable pdfs of the two magazines are available at gmcmi.com/gmc-vintage-rving/ (Links appear below this magazine’s flipbook.)

Front Cover Photographer: Russell Keith

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Technical Support, Parts Interchange, History and More!

GMCMI.com

Shop for specialized GMCMH items and previous magazines! thegmcmhstore.com GMC MOTORHOMES INTERNATIONAL

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The GMC Models Features for New Eleganza SE • A saddle-tone instrument panel with woodgrain cluster • A newly styled three-spoke steering wheel with soft-touch actuator • Long-shear Fiesta carpeting • Newly patterned hi-back driver and passenger bucket seats • Rich gold-toned Formica cabinet tops, closet, and refrigerator doors • Newly patterned Medici cloth cushions for dinette and gaucho areas

Additional Options for the SE • Unique chamois exterior color with full-length rich brown striping incorporating gold accents • Flexsteel barrel chairs • Sculptured cabinet doors and drawer fronts for the front overhead cabinets, rear overhead cabinets, galley door and drawers.

BY BILL BRYANT | PLEASANT VALLY, NY | 1976 PALM BEACH AND JANET FREY | MILFORD SQUARE, PA | 1976 PALM BEACH

At a Dealers Convention in Las Vegas, January 30-31, 1974, GMC announced a new series of vehicles for commercial, medical, and general transportation purposes and nine TransMode concept vehicles were shown to the press.

Eleganza SE (RPO#696 – GMCMH Service Parts Identification Label) “featuring customized interiors much more luxurious than those in current models” were displayed as well. This was the start of GMC General Manager Alex C. Mair’s plan to make the GMC Motorhome the “Cadillac of Motorhomes”. He had made the comment at one point that the GMC

– per article on the “New Eleganza SE”

Eleganza SE introduced at the Las Vegas Show, January 30-31, 1974

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Motorhome was to GMC what the Corvette was to Chevrolet, its halo (image) vehicle. GM management had given Mair 90 days to develop a new upscale model in time for the Las Vegas show. The designers used an existing Oldsmobile upholstery fabric and Flexsteel seating for the first time. New colors and trim helped to make the Eleganza SE an attractive, unique coach.

The designers had ordered enough material to make 50 SE coaches should the Las Vegas show result in dealers orders. It was a sell out at the show, the dealers liked the new model and the Eleganza SE production was on its way.

GMC was now offering a Motorhome Rental Program, and conducted a fuel economy run with press representatives from Automotive News, Motor Trend, and Trailer Life magazines.

A motorhome economy run could be very risky and some reporters noted GM should get the “Sheer courage award” and had “Corporate guts” to propose an economy run on a 23-foot motorhome during the gas crisis. A 264 mile test from Los Angeles to Las Vegas, which included the well known Baker Grade that peaks at 4,751 feet, the reported mileage was 10.2 mpg using cruise control most of the way.

The return trip provided an 11.2 mpg average since this direction was slightly more downhill.

rating from11,200 to 11,700, electrical system increased battery capacity, and improved driver controls and appearance.

As can be seen by these efforts, GMC was trying hard to revive sales during this difficult period of gas shortages. In March 1974, GMC announced that it had suspended production once again due to a lack of orders. Gemini (interior outfitter) still had a backlog of shells to upfit, but scaled back to a one shift operation.

Sales picked up over the next couple of months, and by mid-year inventories were depleted and production of the motorhome was once again resumed. The Motorhome Engineering Department was hard at work developing and evaluating changes and improvements for the upcoming 1975 models.

A meeting on June 12, 1974 was held to kick-off these changes to management. It was entitled, “Operation Conquest”. Jim Cote’ represented the Chassis Engineering section, discussing four areas of changes: rear suspension color coded nylon air harnesses with leak free “O” rings, vehicle GVW increased

Jerry Vallad, Manager of the Body section introduced the changes to the body, improved body panel joints, redesigned longitudinal side member structures, and improved body seals.

The floor plywood thickness reduced from 1 inch to 3/4 inch is supported with a new structure with increased stiffness and rigidity, new enclosures for the motor-generator and LPG compartments replaced the previous plywood. Rubber retaining hooks were added to hold access doors open and the entry door was redesigned. Improved insulation was installed in several areas.

Nancy Bundra, Manager of the Interior Design section described the changes to be introduced for the new 1975 models. She noted that customer inputs and field reports indicated that the interior was the weakest area of the motorhome’s design. GM Design Staff presented four decors for evaluation; Eleganza II for the initial release, immediately followed

by Palm Beach. Being considered, although no decision had been made at this time, was the Kingsley. The interiors were completely new, literally from top to bottom. New furniture modules, more comfortable fully padded seating, new draperies, new colors, improved fixtures and appliances, new headliner with perforated textured vinyl, etc. The complete package provided a totally luxurious, high quality look.

1974

Operation “Conquest”: Control Overall Net Quality Upholding Elegance Stamina & Trust.

Downloadable pdf available at

gmcmi.com/literature.

Per news release dated February 1, 1974 from the GMC Truck & Coach Division, Alex C. Mair announced the addition of a luxury model to the standard GMC Motorhome lineup. The new 26-foot unit is named Eleganza SE and features customized interior appointments.

Photo that accompanied the Eleganza SE News Release

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1975 First Showing was in December 1974 at the Recreational Vehicle Industry Association in Louisville, Kentucky.

The Introduction of the

The 1975 model year indeed brought many changes to the GMC Motorhome. New model names were announced: Eleganza II and Palm Beach replacing the previous 1973-1974 models.

New, better quality Collins and Aikman automotive type woven fabrics replaced the previous printed fabrics used. Flexsteel seating with steel-welded frames and no-sag springs replaced the earlier furniture. Assembly of interiors at Gemini was discontinued and all of the interior up fitting was brought in-house at another Pontiac, Michigan plant (none of the Gemini employees were picked up by GMC for the in-house assembly).

Grand Rapids Furniture Co. was now building the interior modules, and dovetail joints replaced glue and staples. While the quality of the interior fittings improved measurably, heavier weight and higher cost of the furniture was the down side. Exterior changes included new colors and stripes; exterior paint was now urethane (Imron) replacing previous used synthetic enamel; raised “GMC� letters replaced vinyl decals on the motorhomes; fit and function of exterior panels were improved. Stronger frame cross members, new Hehr side windows, HEI Ignition System, polybutelene (plastic) plumbing replaced copper.

Intro Marketing Piece

For these and additional literature on the GMC Eleganza SE and II go to: gmcmi.com/literature 6

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Marketing Piece

Registry Numbers Eleganza SE & Eleganza II in the Registry Year Eleganza Se Eleganza II 1973 20 0 1974 106 3 1975 0 342 1976 0 621 1977 0 363 1978 0 214 Totals 126 1,543

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1976

The 1976 GMC Motorhome models arrived with few changes from the previous year. Two new models were introduced in addition to the Eleganza II and Palm Beach carryovers, the Glenbrook and Edgemont. The Edgemont (twin bed/dry bath) was the price leader with a base price about $1,000 below the other three models. Running changes continued to be made, most starting with TZE166V100878. Examples are an entry door strap, relocation of the air compressor and solenoid valves to an inside compartment (Electro Level), glass lined hot water tank, cab floor support (stamping) and other body structure changes, radial tires/wheels, body side rub molding (with adhesive replacing stainless), etc. This model year, GMC Motorhome production reached its peak production build volume.

Marketing Piece

For these and additional literature on the GMC Eleganza SE and II go to: gmcmi.com/literature

Production Model Photos

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1977

The 1977 Kingsley was a new model with the Eleganza II and Palm Beach continuing to be offered. The Kingsley replaced the previous year’s Glenbrook, and the Edgemont was replaced by a new twin bed/dry bath floor plan in the Eleganza II. Other changes included are a re-designed dash relocating the AC/heater outlets and relocating the Electro Level controls to the left of the driver, a new Freedom Battery, entrance door rain cap and assist handle were new as well.

Pages from the GMC Motorhomes Option Selector. To download the entire publication (pdf), go to gmcmi.com/literature.

Standard Interior Trims

The Eleganza II decor level featured the standard cream beige exterior color in combination with stylized identification at sides and rear.

Front trim stripe and full length accent stripe was standard.

Note: Cameo white was available as an alterative color selection in combination with any motorhome decor level. Front and full length accent stripes were color keyed to interior trim.

Standard Livability Features The Eleganza II offered a plush, ribbed beige velour trim accented with a deep pile dark earth tone carpet; the whole harmonizing with simulated natural wood accents.

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A variety of floor plan combinations were offered for the Kingsley, Palm Beach and Eleganza II that best suited individual needs and travel requirements.

GMC MOTORHOMES INTERNATIONAL

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1978

The 1978 model year began with three models of GMC Motorhome interiors, Eleganza II, Palm Beach, and Kingsley. The TransMode continued with many upfitters participating. The major upfitter since 1975 was Coachmen Industries (Jimmy Motors) producing the Royale (26-foot) and Birchaven (23-foot). New GMC Motorhome two-tone body colors and a three color horizontal mid-body stripe distinguished the 1978 models from other years.

A number of features that were options in previous years were now standard and a number of features were improved. Some improvements were, Electro Level II, larger bathroom skylight, thirty-six gallon holding tank, integral refrigerator vents, new solid cupboard doors, new counter tops, woven window blinds, and finally chrome bumpers were standard. Some new options were a glass and spice rack, microwave, overhead rear cabinet, six speaker sound system, lighted visor vanity mirror, and lockable overhead rear cabinet.

New TransMode features were, floor insulation of urethane foam previously an option, now standard. The steering wheel, column, and hand brake were now saddle color and the front end “GMC� logo previously decals were now raised lettering.

1978 Marketing Piece

Floor plans offered in the brochure.

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Courtesy of Bob & Marlys Drewes

ELEGANZA FACTOIDS

Marketing Pieces

GMC Eleganza SE (Introduced in 1974) Production number unknown but as recorded in the GMC Registry 1973 20 1974 106 GMC Eleganza SE Registry Numbers U.S.A. 101 Canada 25 Total Registered 126 GMC Eleganza II Production Numbers 1975 488 1976 930 1977 562 1978 267 Total Production 2,247

Trailer Life

GMC Eleganza II Registry Numbers U.S.A. 1,400 Australia 10 Belgium 2 Canada 106 Denmark 1 France 1 Germany 7 Iran 1 Italy 2 Netherlands 3 Norway 1 Slovakia 1 Sweden 1 Switzerland 2 Great Britain 4 Total Registered 1,543 The two most popular models were the Eleganza II and the Palm Beach.

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fmca report

y FMCA presents y

John Smyrski

Member Question Q. Tell me one thing I could benefit from going to a National FMCA Convention?

A. I posed this question to your GMCMI Alternate National Director Keith Weeks.

He mentioned that at the International Convention in Indianapolis, Kim and he were looking at purchasing a Road Master Tow Bar. What they did not know was that if you buy it at the convention, it is installed free! Well, it took the installer over three hours to install the tow bar (adjustments required for the receiver on the GMC, etc.) and rewired the lights...all FREE!

Q

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” ully S “ in Capta berger n Sulle r sd a Thu

They were so pleased with the reduced convention price and installation, they went back to the Road Master booth and wanted to thank them.

To their surprise the owner was there and he gave them a free cover for coming back and letting him know how pleased they were.

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lshine

Join us as we celebrate FMCA’s 100th International Convention & RV Expo

August 14-17, 2019

As I mentioned to Keith, this is a common practice for many of the vendors at the FMCA International Conventions and definitely a reason to attend.

North Dakota State Fairgrounds Minot, North Dakota y Registration open y FMCA.com y 800-543-3622 y

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MinotAd_FRV0419.indd 5

5/23/19 10:34 AM

A GMC Motorhome Vendor Profile

BY BYRON SONGER | FULL-TIMER | PREVIOUS OWNER 1978 ROYALE

Jim Bounds started the “GMC Co-op” (Cooperative Motor Works, Inc.) in 1997. It was a unique concept, as far as the business world is concerned.

Though it was an unusual concept, Jim stayed with it. This article is presented in question and answer format and offers us a look into the person and his passion.

Q. When did you first become interested in the GMC Motorhome?

A. I was helping open stores in Florida for Circuit City (my last real job) in 1991 when a customer approached me with the desire to have the “roadshop” install a custom sound system for a classic motorhome project. It did not take long for that encounter to end my career in consumer electronics while starting one based around the GMC Motorhome.

Q. When did you first drive a GMC Motorhome?

A. In an attempt to lure me from a good-paying, management-level job with a nationally known company, Tony Bell gave me his motorhome for the weekend. It was so I could see what this “GMC thing” was all about. The first thing I did was plant it up to the lug nuts in a friend’s front yard. It took us four hours and a Bobcat to free that awesome machine from the mud. In spite of that incident, I was sold. It was the life for me!

Q. As a vendor, what is your greatest challenge in dealing with GMCers?

A. General Motors was proud to announce this vehicle was designed for a 15 year life span. Back in the 1970’s that was considered an “old” vehicle. The challenge is getting someone to understand that you cannot just fix the failed portion of any system in a 45-year-old vehicle. That onecomponent failure in a system is raising the red flag that there may be more issues. This level of maintenance can get involved and sometimes pricey. Not addressing all the components in the system may result in other failures further down the line.

Q. What are the three or four projects you are most proud of?

A. Over the decades, folks have sought me out to do quite a variety of things to the GMC. The why is not as important as do you really want that? The reality is that most anything is possible with “cubic dollars”!

The Duramax Diesel project and the double slide coaches were, to me, the most challenging.

However, each of the restorations we have done (each is named) is a special project when we can take someone’s dream to reality.

They are all pretty gratifying; each in their own way.

Q. Do you see anyone on the horizon who may take over doing what you do?

A. We come and go but these motorhomes will stay.

We need to be good stewards for the next generation.

I want the “The Co-op” to continue to help keep the GMC on the road past what I can do, I have a team of guys who are soaking up everything I can give them, blending what I know of the fresh ideas of the car enthusiast industry. It was possible to see some of that at the last GMCMI Convention in Tallahassee. There is a bright future for the GMC if we can prepare the new folks with what we have discovered.

Q. If you were starting a GMC restoration business in 2019, what would you do different from 1997 and what would you do the same?

A. To be a millionaire in this business you must start with two million! This work must be entered into as a labor of love or it simply will not work – the market is too small to support the scope of business needed to do all the things needed to restore one of these and it will only get worse as they get older. The reason I am here is because it is a labor of love. Yes, I should have started with better financial footing, but who does that? Underfunded and knowing little about actually running a business, all I knew was that I really loved working on these things.

For more information go to: gmccoop.com

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GMC MOTORHOMES INTERNATIONAL

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sunshine report

Diane Dugger

It is with shock and dismay that we heard of the tragic passing of our beloved Sunshine Lady, Diane Dugger, and her husband Fred.

They were involved in a crash, just days after leaving the GMCMI Convention in Tallahassee, Florida.

Our sympathies go out to all their family members and the GMC Community.

Those of us who knew this special pair will remember them for their warm greetings, friendly smiles, and a zany sense of humor.

Who can forget Diane as the ventriloquist’s puppet in Shawnee? Or, Fred responding with his customary calm when pulled up on stage, too?

Diane took her title of Sunshine Lady very seriously. Her diligence resulted in an ever expanding bulletin board of happy faces and interesting bios.

At the Spring GMCMI Convention, Diane and Fred manned their posts in the Convention building, working at their computers but never failing to greet members as they passed by.

Words cannot express how very much they will be missed. We can only reflect on our good fortune to have met and known this special couple, and follow their example of spreading sunshine in our world.

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Sunshine Note: Everyone needs to know they are cared about.

Knowing someone does care can mean the world to them.

If you have any information regarding a member that would benefit from a card (illness, hospitalization, sympathy, etc.) please send an email to kimweeksgmc@gmail.com

Exploring the

GMC Motorhome History A column by Bill Bryant, GMC Motorhome Historian, where he will share tidbits of the GMC Motorhome history with us.

The GMC Love Bug Story.

That “Happy” GMC Love Bug image will be appearing again at the upcoming Fall GMCMI Convention at Mansfield, Ohio.

Previously, we have seen “The Bug” at the GMC Grand Ole Opry Rally in Nashville, Tennessee (Music City), October 21-24 1976 and again at the GMC Tropical Repose Rally in Orlando, Florida, February 9-13 1977. These rallies were sponsored by the GMC Motorhome Owners Club which was then the National GMC Club that existed prior to the GMCMI founding in 1982. The GMC Motorhome TRAVELER, the national GMC Motorhome publication at that time, recorded those activities. It was noted that over 200 GMC coaches attended each of those rallies.

The Love Bug logo was used for these rallies as well as a spare tire cover available as a dealer accessory. The logo was available as both a large and small embroidered patch, a vinyl stick-on decal, kite, frisbee, and an embroidered patch for the Tropical Repose Disney World rally.

Q&A Why does this Eleganza II striping look different in this ad?

Kim Weeks posed this question of me while working on the feature article for this magazine.

She was confused by the different stripes that appeared in the ad versus all of the other information that was collected for the feature.

The ad (left) shows a prototype of about a 1972 vintage, a number of non-production differences are shown.

• The front stripe on the 1973/74 units had the narrow stripe on the bottom, wide strip on top. 1975-77 was the reverse. The long side stripe was an option for 1973/74 and cost $86 more than the front only stripe.

• Roof air was a Mark IV used only on 1973/74.

• Early door latch used only on earlier 1973s.

• Side mirrors (tripod) was used on prototypes only.

• The big side window shown was originally a three-section glass, photoshopped incorrectly by removing one vertical window strut and not moving the remaining one to the window center to represent the two-section glass.

Have a historical question about the GMC Motorhome?

Submit it to gmc.bill@gmail.com

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GMC MOTORHOMES INTERNATIONAL

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Technical Corner

MAINTENANCE, PARTS, TIPS, INNOVATIONS AND MORE

The Right Connections Dolph Santorine | 1977 Palm Beach | Wheeling, West Virginia

The electrical system on a GMC Motorhome is fairly robust, but the PO (previous owner) may have added things, subtracted things, and re-wired things. You could be in the middle of a rats nest of wires when you go to add, change or repair anything from the house lighting, to the vehicle parking lights. That could also be the moment you discovered that the PO only used one color of wire, and neglected to label anything.

There is also a lot of opinions on this issue (crimp connections, insulation displacement connections, solder and heat shrink, wire nuts), but before we delve into this subject, let’s set some ground rules.

First, circuits need to be fuse or circuit breaker protected. Arcing is bad unless you are welding, and the fire it could cause will ruin your day.

Second, I’m assuming the use of good quality wire. I prefer marine grade hook up wire. It is a little pricey and I think it is worth every penny. Something I hear non-stop from my electrician friends is “protect the wire”, meaning make certain that where the wire is run won’t scrape the insulation off and cause a short. That includes places the wire might be placed, where a sheet metal screw or drywall screw might pierce the insulation and cause a short circuit or intermittent connection.

Third, stay with some kind of color code.

(In other words, buy more than one color of wire.)

Fourth, a man who gives sage advice recommends a good label maker. I like that advice.

On to making great connections!

Regardless of which system you use, the metal in the connector is very important. Having had experiences with off-brand crimp connectors, I prefer to stay with brand name (Sta-Kon, Thomas & Betts… and I understand they are now owned by the same parent company, 3M, Molex and others). There is a lot of science behind these connectors, and the composition of the materials used is critical, and we take for granted that it is correct, and the name brand outfits seem to consistently get it right. This goes for heat shrink tubing as well. There is not much worse than heat shrink that won’t.

Insulation Displacement Connectors Insulation Displacement Connectors (IDC) originated in the telecommunications industry, and were initially designed for solid core wire, and the design was extended to stranded core wire. We see them everywhere, from telephone “punch down” blocks, to ribbon cable in your computer and peripherals. Nearly every RJ-45 computer jack I have ever touched is attached with this kind of connection. (See Figure 1.)

I have seen them used for lighting and braking connections in my daughters horse trailer, and the handful of recent manufacture (last 15 years) travel trailers and RV’s. They are fast, easy to use, and some are filled with a jell (marketed as a “Moisture Resistant Seal”) I think they do

Figure 1: How Insulation Displacement Grasps the Conductors

A “live-spring” joint is made by driving the “U” contact down into connector.

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As the “U” contact is pressed into connector, it grasps conductors as it displaces insulation.

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Contact grips conductor and holds with a firm, resilient pressure.

a pretty decent job of keeping the moisture out in a fairly hostile enviornment.

Like many things, there are tools designed to correctly crimp these connectors, and while you can make them work with a pair of Channel Locks, the correct tool has a parallel closing action.

There are a huge variety of these, including “T” taps and inline splices (some automotive sound and security installers call them vampire splices).

Figure 2: Double Run or Taps They are fast, easy to use and do not require stripping of the wire prior to making the connection.

The downside is that if you select a connector that is too small for the gauge of the wire you are using, it might sever some of the strands in the stranded wire bundle. That is a chief complaint about this type of connector.

Crimp Connectors Crimp connectors are available in a wide variety, from butt connectors (sealed and “dry”) to spade terminals, ring terminals, and more types of push on terminals that I can count.

This type of connector is about as old as electricity itself, it was standardized by a military contractor to address the shortcomings of multiple standards for spade connectors, and in the solder and taped connection failures identified in World War II. It has the advantage of simplicity and a direct, mechanical connection.

For technical session presentations and papers, go to gmcmi.com/technical-presentations-papers/

When researching this article, I browsed the military standard, and came away thinking that the the problems they were having the field were equally the rigidity of a soldered connection and the failings of friction tape. They had many “standards” to choose from when it came to spade connectors. Today with one standard, things are much more universal.

If you’ve ever replaced the original glass fuse block for the GMC Motorhome, you will know what I mean about “standards”. The factory lugs were a GM only “standard” that has since been abandoned.

Like anything else, you can grab whatever tool is handy and crimp a terminal or splice on, but it will be a less than optimal. A friend who is an aircraft mechanic says the crimper on wire strippers is pointless, and that the crimps made with it are a disaster waiting to happen.

Her recommendation is to use it in an emergency only.

I do not know if it’s her thoughts on the matter, or her career military experience talking. Likely both.

I use a good quality tool. Some in this Community who crimped wires together for a living used the name brand tool, and while they are about as good as they get, are outside of many of our budgets. I use one that is similar and made by a respected tool manufacturer. It was about 1/10th the price of the name brand, and double the price of the disposable chinese tools.

Figure 3: Color coding of Crimp on Connectors

Yellow: 12-10 gauge

Blue: 16-14 gauge

Red: 22-18 gauge

Don’t skimp on the crimping tool, it has huge bearing on the quality of the connection you make.

a matter of choice on my 1977 Palm Beach. As an Extra Class Amateur Radio Operator (AD0LF), I generally pick up the soldering iron from the side that does not bite, so it’s not a skills gap. I have had wires fail from the solder wicking up the stranded insulation, and I have learned from that experience.

Crimp on connectors come in many styles and forms.

They are color coded for the gauge of wire that you can use.

(See Figure 3.)

I like the insulated, heat shrink splices. I know it’s an extra step, but it keeps moisture out and makes an attractive splice.

Solder and Shrink Some people insist on soldering the wires together and then applying heat shrink. (See Figure 4.)

Figure 4: Heat Shrink

If you’re good at soldering, and have the time, you can make excellent connections. This subject has been covered extensively in the amateur radio community.

Again, it’s the insulation, so good quality heat shrink should be the rule of the day.

Much of what I’ve read, including the NASA spec for soldering mandates a buffer before the wire needs to flex, and requires that the rosin from the solder be flushed from the joint.

This article is not intended to be comprehensive, and does not cover all the different types of connections that can be made. I use crimp connectors as

SPRING 2019

So choose how you want to make the “right connections”, and follow these six simple rules: 1. Fuse or Circuit Breaker protection 2. Make good connections.

3. Do not use tape. Heatshrink.

4. Mark your wires.

5. Use the right tool.

6. Use more than one color wire

GMC MOTORHOMES INTERNATIONAL

17

Technical Corner

MAINTENANCE, PARTS, TIPS, INNOVATIONS AND MORE

GMC Air Suspension Jeff Sirum | 1977 Eleganza | Sirum GMC Motorhome | sirumvintagegmc.com

EDITOR’S NOTE: A big thank you to Jeff Sirum for producing and presenting this much requested information in a tech session at the GMCMI Spring Convention in Tallahassee, Florida. A wrap up of the tech session is available on page 23. The following information is from the handout. To download the entire handout (pdf ), go to gmcmi.com/technical-presentations-papers/.

The products cited or those comparable to them are available from multiple sources.

Air Suspension Basics • Our GMC Motorhomes were designed with a unique, automatic leveling, load adjustable air suspension system that can also be manually set, when parked, to self-level the coach.

• The suspension system was designed by GM engineers and tested on the GM proving grounds to provide the best ride and handling of any motorhome of that era. (See videos at gmcmi. com/commercials-and-videos.)

• The system components include an air compressor, valves, and controls to operate air springs.

• We commonly call the air springs “air bags”…but do not confuse them with the collision protection air bags that are installed in modern vehicles for passenger safety in collisions.

• The original factory air bags are no longer being manufactured

by Firestone for our coaches. Therefore, several different replacement systems have been engineered to use currently available air bags. Here are five options:

OPTION 1: Original Design – GMC Air Suspension • Replacement air bags based on original GM design are available • This design allows the two wheels on each side to operate together in tandem to allow the bogies to step over bumps • Same suspension travel as original air bags • Same operating air pressure as original • Same handling and suspension feel as original design system • Same load carrying capacity as original • Product is not made by Firestone

OPTION 2: Sirum Designed Dual Bag System • Uses two currently available Firestone air bags • A swinging steel plate controls centering and locates air bags • This design allows the two wheels on each side to operate together in tandem to allow the bogies to step over bumps as the original system does • Same suspension travel as original air bags • Same operating air pressure as original • Same handling and suspension feel as original design system • Same load carrying capacity as original • Installation kit includes air bag isolation valve, distribution block, and filler extension for independent filler on side of coach

Steel Swing Plate

Complete Installation Kit

Distribution Block and Valve

Filler Valve on Side of Coach

Original Design – GMC Air Suspension as illustrated in the 1977 GMC Motorhome Sales Brochure (above and to right)

To download the entire tech session handout on air suspension, go to gmcmi.com/technical-presentations-papers/ 18

GMC VINTAGE RVING MAGAZINE | GMCMI.COM

For technical session presentations and papers, go to gmcmi.com/technical-presentations-papers/

OPTION 3: Ferrara Designed Single Bag System • This replacement system uses one single air bag on each side of coach • Adapters are provided to make this a direct, bolt-in replacement for the original air bag • Easiest replacement system for DIY’s – Do It Yourselfers!

• Shorter suspension travel than original bags provides firmer ride and handling • Slightly larger diameter than original bags • Same load carrying capacity as original system • Single air connection allows you to connect original air line

OPTION 4: Sullivan Designed Single Bag System • Uses one single air bag on each side of coach • Adapters are provided to make this a direct, bolt-in replacement for the original air bag • Uses available Firestone bags • Single air connection allows you to connect original air line • Somewhat larger diameter than original bags • Greater load carrying capacity than original system…perfect for coaches with a hot tub or with a Harley riding on the back!

• Operates at much lower air pressure than original system • Same ride height and suspension travel as original system • The ride may be softer than original

Display View

As Delivered

Air Connection End

Air Connection

Opposite End

Air Connections (with adapter removed)

OPTION 5: Quadra-Bag California Designed System • This system uses a separate air bag for each wheel position.

• Isolation plate between the two bags on each side does not move and stops the compound swivel action of the bogie, providing a firmer ride and handling • Same approximate diameter as original • Higher operating air pressure than original • Readily available Firestone air bags • Installation kit includes isolation valve, distribution block and filler valve • Having separate air bag for each wheel may allow one bag to fail and the other bag on that side could hold up the coach temporarily if the wheel is removed and arm supported

Opposite End

As-installed Quadra-Bag

SPRING 2019

GMC MOTORHOMES INTERNATIONAL

19

Technical Corner

MAINTENANCE, PARTS, TIPS, INNOVATIONS AND MORE

Get Your GMC Ready For Spring Travel Checklist Here is a handy check list to use each Spring.

Exterior

Interior

Check the unit for any damage. (Tree limbs that fell over the winter, rodents that may have entered the GMC, etc.)

Remove any protecting covers, outside and inside.

Check the outside components. (Cracked side vents, missing light covers, turn signals, etc.)

Check to make sure your license plate tabs are current.

Check the tires for proper air pressure and cracks in the sidewalls. Do not forget the spare. Check the tire numbers on your tires – the tires may have aged out based on manufactures’ recommendations.

Open windows and roof vents to air it out and make sure all the windows and vents are in working order.

Give the inside a thorough cleaning and check for unwanted visitors, such as bugs, mice, etc.

Vacuum carpets, inside the cabinets, under the dinette seats and sleeping areas.

Make sure you have an up-to-date and fully supplied first aid kit. Double check expiration dates.

Check towels and linens that may have been removed for the winter. (Bedding, blankets, pillows, washcloths, beach towels, etc.)

Make sure the carbon monoxide detector, smoke alarm, LP detector, and fire extinguishers are all in working order.

Install fresh batteries for those that are not tied into the GMC’s electrical system.

Check the battery. Make sure the water level is correct, it is fully charged, and terminals are tight.

Check the refrigerator on gas and electric if so equipped. Make sure the gas burner tube is clean and nothing has nested in it during the winter. If equipped with bypass valves, be sure they are returned to the “summer” position.

Check propane level and refill if necessary Check all appliances for proper operatio Check and clean the air conditioning filter.

Operating Systems De-winterize the unit and flush the freshwater system. (if winterized) Check the freshwater system for proper operation. Do not forget to check both the water pump and city water hook-up.

Test all valves including faucets, shower, and toilet.

Flush and fill the freshwater tank. (Fill it completely full at least once a year to check for leaks in the upper part of the tank, fill hose, and vent tube.)

Finally, make sure your camping cards/ clubs are up-to-date. Plus do not forget your GMCMI Parts Interchange, GMCMI Roster, and the “Black List”.

Avoid an unpleasant adventure in RVing by making sure your GMC is ready before your first camp-out of the Spring. Drive safe and enjoy!

A Means of Removing Mildew from Motorhome Awnings Fred Hudspeth | 1978 Royale | Tyler, Texas

1. Extend the awning and park at lowest level to reach both upper and underside of awning.

2. Make up a mixture of 2 oz. of bleach and 4 oz natural soap (such a baby laundry soap or

20

Woolite) to 1 gallon (3.8 L) of lukewarm water.

3. Using a soft bristle brush, scrub both sides of the awning with the soapy water mixture.

4. Rinse off the soapy water using warm water.

GMC VINTAGE RVING MAGAZINE | GMCMI.COM

5. Sprinkle with baking soda (bicarbonate of soda). This should be targeted at any remaining stains. Leave for a few minutes.

6. Wash off and allow to air dry.

For technical session presentations and papers, go to gmcmi.com/technical-presentations-papers/

The Positive Crankcase Ventilation (PCV) – A Humble GMC Servant What it does and why it is so important.

Dick Paterson | 1976 Eleganza II | Springfield Ignition | paterson-gmc.com

FACT:

Burning a gallon of gas produces a gallon of water; Most of it goes out the tailpipe as steam.

All internal combustion motors create acidic water that accumulates in the crankcase (oil pan).

A system to purge and dispose of the acid/water contaminents from the oil, prevents them from getting released into the atmosphere (The Clean Air Act) and is crucial to the expected service life of the motor.

The design of the pcv system from AC Delco was introduced on Cadillac in the early 1960s.

Plumbed into the top section of the motor rocker covers, the system utilized engine vacuum (suction) within the sump to draw off the acid/ water “vapors”.

When the oil temperature reaches 212°F the water/acid cocktail boils off into steam that is purged through the pcv valve system. The steam is delivered by a rubber hose back into the intake manifold (below the carburetor) where it is mixed and burned with the flowing fuel/air.

The Olds/GMC System is a sealed (or closed) system – where there is no “vented” cap atop the oil fill tube. With a closed system, a source of clean air is needed to supply (replace) the air being drawn through the motor’s internal cavities.

Heavy load brings a big “blow by” increase, that boosts the pressure within the sump and adjoining areas inside the motors “sealed Since the “closed” system relies on engine system” of rocker covers and timing vacuum, any vacuum leaks from a chain cavity. Oil leaks from seals cracked vacuum hose or oil fill and gaskets, and oil up in the air elbow (or carb mount gasket) The pcv valve cleaner, are some of the side will spoil the function. When effects. can be your friend; hot, a cracked manifold in the crossover area can also and possibly one of The pvc valve must constantly contribute a vacuum leak. the most overlooked adjust its “air flow” to stay in step with the ever changing Some symptoms are poor service item load and vacuum. This is idle quality with a hunting “on a GMC”. handled by an internal spring rpm – possible stalling. Where loaded steel “check” ball or wedge fuel injection is used, the e-prom shaped piston. When at idle, with will constantly try to correct the high vacuum (ie: 16 + inches) and low blowcompromised air/fuel ratio, and can create a by, the spring moves the ball or wedge into “dithering” hard to diagnose idle. The long-term the orifice to restrict air flow. When load and results of a faulty system are premature oil throttle position increase, the vacuum drops contamination, sludge buildup, poor piston (ex: below 4 inches) blow-by into the crankcase ring sealings, and internal component rust in is at maximum; the spring “overcomes” the stored vehicles. low vacuum, (like a power piston valve in a Q Jet carb) retracting the ball/wedge, allowing maximum air flow through the system. Since System all the vapors flowing through the valve are acidic water loaded – over time the internal components of the pcv valve become corroded and/or pitted, and will no longer make the correct flow restriction. Simply shaking/rinsing a pcv valve will not rebuild it. Replacement is necessary.

The required air flow/volume for a large sump/ cubic inch motor would be higher than that of a small 4-cycle motor; (even though they both may have same vacuum readings). Air flow is controlled by the size of the inlet/outlet, and bore of the pcv valve. It is most important to specify the motor size (455/403) when buying a replacement pcv valve.

courtesy of aa1car.com

Positive Crankcase Ventilation

The air drawn by a rubber hose is connected from the air cleaner housing to the driver’s side rocker cover. All rubber hoses of the pcv system have a “service life” that require periodic inspections; in particular the pcv valve hose end connected to the hot base of the carburetor.

Engine vacuum is constantly rising and falling, based on throttle position. Swings from zero (wide open throttle on a stiff hill climb) to 20 plus inches, when descending the hill, with your foot off the throttle. In lock step with throttle position is “blow by” past the piston rings. It is high at cold start-up idle, once warm up is reached there will be minimal blow by at idle.

SPRING 2019

GMC MOTORHOMES INTERNATIONAL

21

Technical Corner

GMC Motorhome Open House Tour The weather at the Sunday afternoon tour was beautiful and with the availability of maps indicating which attendees were participating, made it a big hit!

There were plenty of chances to talk about all those “special” things done to the GMC. Plus there were opportunities to see original GMC Motorhomes, the Coca-Cola GMC Motorhome, and ideas on how to redo the interior to better suit your lifestyle? And of course, those that had parts, etc. for sale at their coaches.

22

MAINTENANCE, PARTS, TIPS, INNOVATIONS AND MORE

Spring GMCMI Convention Tech Sessions has worked for some is to go ahead and arrange the tow then claim with insurance afterwards.

Boon-docking is a popular way of RVing but This session provided education to the GMC comes with considerations. Discussions centered Motorhome community on how to save the on finding places to stay and battery requirements occupants, pets, and the coach in the event of a for camping without hookups. Dangers of fires fire! The secret is to have a plan, be prepared, and were discussed including the use of propane. work the plan in the unfortunate event of Jim recommends the replacement of a a motorhome fire. Jeff indicated single stage regulator that originally that a fire is more likely to came on the propane tank with occur when parked. It was a two stage regulator which is stressed to be sure your much safer because it can shut extinguisher is in proper down propane flow in case of working order and to compromise to the system. make sure it is not I thought I pretty much new Finally, the Black List was under a recall notice most everything, but learn explained telling new owners (many are). Jeff stresses something new at each how to sign up and use the that it is important Convention. assistance that is available in the to have conversations member twelve years, GMC Community. Information with those riding in the 10 Convention about and links to the Black List motorhome on emergency can be found at this link: gmcmi.com/ situations and how to use an black-list/ extinguisher. Several systems in the coach have the potential for starting fires.The 12v >> Gas Tank Venting and DC circuits are more prone to start a fire than the Problems | Paul Doane 120v AC circuits. Other potential sources are in Paul demonstrated with fuel tank mock ups how the engine compartment, wheel bearings, under the gas tanks on the GMC Motorhome work. The inflated tires, brake systems, propane systems, fill tube is mounted about half way up the tanks. battery ventilation, improper maintenance, and Fuel will flow to the main tank more than to the exhaust system issues. It is important to pay auxiliary tank and takes some time to equalize attention to early indicators. These areas of risk between the two. When using fuel, the main tank were all discussed with emphasis on properly is typically selected by default which draws fuel maintaining the motohome. This session from that tank but is being replenished from the discussed on-board fire suppression systems auxiliary tank as the tanks equalize. Once below and procedures on how to exit a compromised the level allowing equalization, fuel then will only motorhome. Can you exit the coach in 10 draw from the main tank. Once fuel is depleted seconds? That might be all the time you have. from the main tank the auxiliary tank will have Have a plan! This session then moved outside approximately six to eight gallons of fuel – enough where a demonstration was given on how to put to get to a gas station but it was emphasized that out a fire with a fire extinguisher. you should be getting fuel before this point. Make sure the selector switch is in working condition. >> New to a GMC Motorhome?

Paul continued the session with a discussion of | Jim Kanomata and Jeff Sirum the venting system including the liquid/vapor This session was designed to help new and separator with vapor flowing to the charcoal younger RV owners assimilate into the RV lifestyle. This session started with a discussion canister then pulled into the engine to be burned. about towing and the proper way to tow with He also talked about the vent back to the filler a focus on how to hold insurance companies to neck which allows air to escape while filling the terms of their tow policies. An option that the tanks with gasoline. Discussion continued

>> My RV Schooling Fire & Life Safety | Jeff Gaston

GMC VINTAGE RVING MAGAZINE | GMCMI.COM

Attendee Comment

For additional technical session presentations and papers, go to gmcmi.com/technical-presentations-papers/

concerning the fill tube and some common issues with filling the tanks. Some of the joints on the fill tubes can kink reducing the flow of the fuel. Additionally, the vent tube to the filler neck can also obstruct the flow of air/vapor back to the filler neck making filling the tanks difficult at best.

>> GMC Air Suspension | Jeff Sirum Jeff introduced the subject by showing a video of the original marketing information highlighting the air ride suspension system. The original air bags used for the GMC Motorhome has been discontinued for many years which has pushed the creation of alternative systems that use currently available air bags. Cinnabar provides the original air bags that they have made in China. Jeff covered some of the available systems including the Sully system, a system developed by Alex Ferrara, and the Quadra Bag system. A discussion followed on the advantages and disadvantages of each of these systems generally from the perspective of the original system. Jeff cautioned that you should never go to the extremes, in other words, do not over inflate these systems. There are still some original pumps in service but most are being replaced by more modern pumps. Jeff recommends a Firestone pump while others use Viair pumps. He does not rebuild the original pumps anymore due to age and lack of parts availability. Jeff discussed the operation of the leveling valves and how they work in keeping the coach at the recommended ride height regardless of changes in weight in back of the coach.

See tech article on page 18.

A big thank you to Alex Ferrara and Ty Hardiman who continue to assist GMC owners with their steering. Now standing at 213 coaches!

any of the other fluids available.

Emery thinks that specifying the new fluid as DOT 5.1 is confusing especially since DOT 5.1 is not compatible with DOT 5.0. The ability of the brake fluid to withstand heat is one of the most important factor especially in our application with the heavy braking requirements of our coaches that weigh between five and six tons. Emery explained the testing procedures to ensure the fluid meets the applicable standards by testing the wet and dry boiling points of the fluid. Finally, techniques for bleeding brake lines as well as some tools that could aid in the process were discussed.

Parts Exchange, Craft & Flea Market Have you restored your GMC Motorhome with upgraded components? Have a bunch of parts that are still serviceable but you don’t know what to do with them? Bring them to a GMCMI Convention and carry, drag, push, or talk someone into helping you bring the parts to the Parts Exchange. Most likely, there will be someone there that has been wanting that particular part. It is a win-win, you get to free up space in your garage and someone gets that piece of “gold” they have been wanting (or maybe they had space they wanted to use up in their garage!).

>> Temperature Compensated Battery Charging in Real Time | Joe Brandon This session explained the difference in multistage RV Converter Charger Systems and real time multistage temperature compensated RV converter charging systems and why they are the best way to charge your batteries. Discussions covered how conventional charging systems (converters) work. New converter technologies gets thermal feedback from the battery to more effectively provide the correct voltage for charging.From the audience, it was suggested that adding a bit of mineral oil to the battery cells can prevent evaporation and other bad effects (use this technique at your own risk).

>> Brake Fluid | Emery Stora

>> Fire Forum

Brake fluid is a liquid that is designed to keep your GMC Motorhome from crashing. Emery discussed how the GMC brake system is setup for safety with the combination valve that separates the front and rear brakes so if the rear brakes lose fluid pressure the front brakes will continue to operate and vice versa. There are many different DOT specifications for brake fluid.

Emery discussed the history of brake fluids. The latest is DOT 5.1 which is compatible with DOT 3 and 4.

DOT 5 is a silicone based fluid and will not mix with

This session addressed risks of GMC Motorhome fires and means of preventing them. The discussion looked at various areas within the GMC Motorhome that have the potential to cause a fire. The session explored areas such as the refrigerator and the generator compartment and reinforced the need for proper attention to these areas during routine maintenance. Fire suppression systems were talked about for these compartments as well as the engine compartment. Also, brakes and bearings are another

Thank you to all of our tech session presenters!

SPRING 2019

GMC MOTORHOMES INTERNATIONAL

23

Technical Corner

MAINTENANCE, PARTS, TIPS, INNOVATIONS AND MORE

Weighing of the Coaches A big thank you to Jeff Sirum, along with the entire team of volunteers, for an efficient weighing of coaches at the Convention. Many coaches were weighed, a couple of them twice, and had their ride height checked. The next day Jeff conducted a tech session on the weight distribution on the GMC Motorhome and why it is important for proper handling. Many coaches are not set up anywhere near how they were setup from the factory. People carry all kinds of spare parts, motorcycles carried on the back, and any number of other stuff that can be imagined. Ride height should be set according to the specs in the manual. Proper height will have the rear slightly lower than the front. Weighing of the coaches provided owners with a lot of important information concerning how the weight is distributed. Weights should be even between the front two wheels while all four of the rear should be fairly even. If not, then adjustment of the torsion bars may be needed to bring the coach back into balance. Improved handling could be the result.

source of fires so regular inspections of these components are necessary to mitigate the risk of fires starting from these areas. The session also discussed the need for an escape plan and that everyone riding in the coach needs to be aware of how to exit the coach in case of an emergency. Walk-through exercises are important so that everyone understands what to do in case of a fire. Placing fire extinguishers in places that are readily accessible is important – you don’t want to be spending precious time looking for the fire extinguisher.

>> Camshaft Timing | Randy Van Winkle Randy discussed the process to change the timing chain from the perspective of a backyard mechanic to show that it is possible to accomplish what appears to be a difficult procedure with less than professional mechanical skills. A brief discussion of the components of the valve timing system gave a summary of how the timing system works. A timing chain with greater than 80,000 miles could cause retarded timing reducing torque or, ultimately, lead to a catastrophic failure. Randy provided part numbers for the timing chain replacement, water pump replacement (should replace while doing this job), and the gasket set that he used to accomplish this job. Having never done this replacement before, Randy was able to provide insight on things not to do as well as some techniques to make some of the more difficult procedures a bit easier. If contemplating this job, one of the decisions is whether to leave the timing at factory specs or advance the timing up to 4 degrees in the hopes of gaining a bit more torque. There were many different opinions on this subject which provided a good discussion. Without a cam timing wheel, the safest approach is to leave it at factory specs. Randy indicated that he advanced the timing by 4 degrees as do many who have done this job.

>> What’s Next? | Jim Bounds We all love our classic GMC’s and have done our best to be good stewards.

We come and go but the coaches are here to stay. So what may be in store for our beloved coaches as future GMC owners apply their own ideas, styles, and technologies. So, what’s next? This session attempted to give some ideas about what future things that can be done with our coaches. Jim Bounds has extensive experience rebuilding these classic motorhomes plus building some innovative GMC Motorhomes with different chassis and drive trains so he was an excellent choice to discuss this topic. Jim discussed some of the reasons that the GMC motorhomes have survived as a viable motorhome after over 40 years. There are many technical reasons but probably the main reason is the way they look.

Jim talked about the Duramax conversions that were a great end product but were a one-off implementation. Jim’s recommendation is to do the things to your coach that will make you happy. Jim discussed several rebuilds that he has experience with that provided the owner what they wanted including putting a Diesel upgrade in that was developed by Manny Traveo. Bottom line, do the things to your coach that will make you happy!

>> Installation Guide for the EBL System | Randy Van Winkle Randy led a discussion covering a wide range of topics concerning fuel injection for our motorhome engines. This was primarily a question and answer format covering topics that the audience were most interested in discussing. Discussions covered the Howell / EBL system, FiTech, MSD Atomic and the Holley Sniper. Randy talked about the various components of a fuel injection system which are common across all brands of systems currently being installed on

24

GMC VINTAGE RVING MAGAZINE | GMCMI.COM

For additional technical session presentations and papers, go to gmcmi.com/technical-presentations-papers/

our motorhomes. Additionally, questions about what the most common issues exist while installing any of these systems. These issues include throttle / cruise attachment, air cleaner modifications, fuel delivery, fuel return, O2 sensor placement and installation, and adapter plate requirements. As an example, Randy is adamant about using two fuel pumps as close to the fuel tanks as possible and replacing the sometimes problematic selector valve. This approach reduces chances for vapor lock, and provides on-board backup in case of a pump failure. Randy has written an installation guide, specifically focused on the GM ECM with EBL (DIY or kits available from Applied GMC) but much of the guide is applicable to the FiTech, MSD Atomic or Holley Sniper systems as well. This guide (still needing some finishing touches) is available at https://sites.google.com/site/winkersmiscstuff/home/efiinstallation-guide

rail, side rail, front and rear end cap seams, etc. Around windows is another common place for leaks. Over time, butyl tape which was used in the factory dries out and shrinks providing a place for water to enter the coach.

Age also causes body parts to sag. For example, the door may not conform to the body. Jim explained techniques to “re-curve” the door in order to allow the door to close and seal as it should. Body pads are another area.

After 45 years, the original pads may be missing or have squeezed down so that the body is no longer held up like it should be. Replacing the body pads with new material can allow the coach to ride much quieter and remove the potential of the body crushing some of the fuel vent and air lines that cross over the frame.

>> What’s Your GMCMH Question?

OR “Two Deaf Old Codgers Asking Questions | Ken Henderson and John Nicols

The opening question was about solar to help keep batteries charged. One gentleman related that he had | John Richardson installed solar with a solar controller. He can boondock This session discussed the components that make up and charge the batteries during the day and have modern day oil formulations. The various oil additives enough battery to make it through the night. Never has were covered with definitions describing the function to use the generator. He has 960 watts of solar panel. each additive performs. So, what is the oil in your Discussion turned to output of the alternator and what engine trying to tell you? An oil analysis by a it should read at the center terminal of the isolator. lab such as Blackstone Labs, can provide Some are reporting that the voltage read is at valuable feedback concerning the 16 volts and question if that is normal. health of your engine. During Responses indicated that measurement this session, several lab results at the battery terminals is where were reviewed showing how to the readings should be made and read the results. Comments should not exceed 15.4 volts provided by the lab are aimed according to specs in the manual. A A BIG THANK YOU!!!! at providing guidance for the question asked for a report on the owner concerning potential 1-ton front-end upgrade. Most who Joined at the Tallahassee problems such as antifreeze or have done the upgrade are happy Spring Convention excess fuel in the oil, what actions with the new 1-ton components. The first Convention to take going forward such as oil downside is that camber changes as the change intervals, and suggested time suspension moves up and down. Many frame for next analysis. More information do notice the camber change while others do on oil and analysis can be found here: not. Another question started a discussion on how to go Blackstone-labs.com about winterizing the coach. Installing a bypass for the hot water heater is a good investment because it is hard >> Body Sag and Restoration | Jim Bounds to get antifreeze smell out of the heater. Best winterizing Our GMC Motorhomes were designed and constructed tip is to just stay in Florida. Smell in the water system much more stable than most motorhomes manufactured can have many causes. It is important to periodically in the same time period but, also, even today. GMC run bleach or hydrogen peroxide through the system could not have foreseen some of the issues we are having especially if the system has not been used frequently. with these coaches after 45 years. Some of the materials Another source for odor in the water system is the anode and techniques used to build the motorhome were rod in the hot water tank. It can deteriorate and produce leading edge when these coaches were being built. Seams a sulfur like smell. Other questions touched on engine are a good place for leaks to occur, as well as the top oil and brake system as well as the CV half axles.

>> What Can Your Oil Tell You

Attendee Comment

SPRING 2019

The Mentor Program New to GMC Motorhome ownership? Wonder why GMCers talk about a “bogie” and what being one over par has to do with these motorhomes?

Every GMC owner was a newbie at one time with questions about the various components of the motorhome. The new owner today is lucky because when they attend a GMCMI Convention, Ken Henderson coordinates a mentor program. He meets with new owners (men and women), understands what main questions they are looking to get answers for, then matches them up with an experienced owner who can help guide the new owner to an understanding about their questions. Ken is an excellent choice to act as coordinator because he knows most experienced owners and their background and skills.

So newbie, come to a GMCMI Convention and find out what a bogie is and why GMCers talks about them.

GMC MOTORHOMES INTERNATIONAL

25

March 22-28, 2019 North Florida Fairgrounds | Tallahassee, Florida To the shouts of “Ahoy mateys! and “Shiver me timbers,” we gathered in Tallahassee to swap stories, share technical expertise, and greet friends.

CONVENTION NUMBERS

145

Is the number of registrations; 14 were partial attendees, 35 first timers and 34 additional day passes.

With 108 GMC Motorhomes!

21.25

Is the number of hours of technical sessions, plus the Weighing of the Coaches and “Correcting Your Steering with Alex Ferrara”

2

Regional GMC Chapters utilized the Convention as their rally. They were the GMC Sunshine Statesmen and the GMC Dixielanders.

The Convention opened with the flag presentation and national anthems by couples from each of the three countries: United States, the Netherlands, and Canada.

Captain Dale Ropp and his First Mate Lila Santorine got everyone into the priate mood by bringing in a beautiful wooden treasure chest made by Dale to entice folks to participate in the Treasure Hunt. Every day three small treasure chests were hidden throughout the fairgrounds and clues were given each morning. Those who found the treasure chests chose a bag full of booty, while one of them would win the big loot in the wooden chest!

Friday began the Convention seminar scheduling with a session on Fire and Safety, “Let’s Get Acquainted, Ladies,” New to a GMC?, and Gas Tank Venting. The “She Shed” provided opportunities for crafts, making blankets, children’s cover-up, dog beds and just socializing. After one of the ice cream socials, Karaoke filled the air! Sunday morning started with the Pirate’s Cackle Fruit breakfast (that’s eggs – scrambled, plain, and with veggies) and the usual fare of

GMCMI would like to extend a warmfelt thank you to all of you who volunteered to make this Convention a big success!

TREASURER CHEST HUNT Winner of One Year Membership to GMCMI and the Handmade Chest Chris Braaf

A big thank you to the GMCMI Convention photographers: Teresa Dall, Russell Keith, and John Pryzbylek.

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donuts, waffles, etc. Dale Ropp offered his “Treasure Hunt” message at the worship service, and the afternoon was filled with the fun of the Parts Exchange and Open House.

Monday was exceptionally busy with extras such as the Ladies Luncheon (History of the Swimsuit), Frey’s Famous Chili for the men, and the Pineblock Derby. Tuesday brought more seminars, an Italian lunch of penne pasta, chicken, and pink vodka sauce by Frey and Friends, regional meetings, and the “Treasures in Tallahassee Party.” This was a really fun party with an appearance by many pirates including Captain Jack (are you sure that wasn’t Johnny Depp?), a spectacular Low Country Boil by the GMC Dixielanders, and lots of entertainment. Alas, Wednesday saw the close of the Convention with a few last seminars, membership meeting and more food. It was a fast-paced week with the hallmarks of a GMC Convention – fun, food, and fellowship!

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GMC PINEBLOCK DERBY Men’s Division Bob Hughson & Dale Ropp – Tie 1st Chuck Boyd – 2nd Paul Array – 3rd Ladies’ Division Margie Van Winkle – 1st Diane Dugger – 2nd Mardy Array – 3rd

Youth Division Lyla Santorine – 1st Roscoe Hveem – 2nd Seylah Dungy – 3rd Overall Fastest Time Margie Van Winkle – 1st Diane Dugger – 2nd Lyla Santorine – 3rd

Turtle & People’s Choice Patricia Schenk

Thanks to all of the derby helpers and the “Vanna Ladies”!

THANK YOU TO OUR CONVENTION VENDORS A big thank you to our vendors for all of the time and support that your give our chapters! When looking for that part or information, check out this list and give them a call.

Alex Sirum GMC Jeff Sirum | 863-763-1121 sirum@gmcmh.com gmcmh.com Specializing in GMC Motorhome sales, service, repairs, & hard to find parts.

We ship to all states & Canada.

Applied GMC Jim & Grace Kanomata 510-440-1101 | 800-752-7502 mail@appliedairfilters.com gmcrvparts.com Specializing in GMC Service, Repairs, and Parts.

Barry Owen 336-250-0966 cowen2@triad.rr.com Service, repair, and maintenance.

Bob Stone 618-964-9124 Service and repair.

Classic Coaches & Accessories J.R. & Jeanne Slaten 502-836-2097 | Jrslaten@aol.com Stainless Steel Braided-Teflon Lined Oil, New Brass Leveling Valves, Stainless Steel Braided, Teflon Lined Oil Cooler Hoses, Lighted Handles for Door Entry, etc.

Cooperative Motor Works Jim Bounds 407-857-5777 | 877-275-4462 coopmotorworks@yahoo.com gmccoop.com Information, parts & service for the GMC Motorhome. Repair and maintenance to full renovations available.

Audrey Holloway 770-377-6444 Handmade crafts include microwave bowl holders and plate holders, casserole carriers, crocheted necklaces, wristlet keychains, around the neck hand towels and sunglasses holders, etc.

Frank Jenkins 352-281-8082 geocities.ws/gmcfrank/ GMC fiberglass & aluminum fabrication. Instrument panels, bumper covers, toolboxes, grills, skirts and flares, radiator fan shrouds.

Custom Instrument Panels Mac McNeal | 704-985-0171 | cipdash@sbcglobal.net custominstrumentpanels.com Custom instrument panels and instruments.

My RV Schooling Jeff Gaston | 855-697-8123 info@myrvschool.com myrvschool.com A premier RV training school that offers premier training one-on-one training or for events.

Ken L. Frey Auto Repair Ken & Janet Frey | 215-536-1246 freyautoken@yahoo.com kenlfreyautorepair.com Service and repair of GMC Motorhomes.

John & Rita Nicholls 850-968-4637 GMC Paraphernalia

RV Caravan With Us Paul & Teana Falce | 386-316-1164 rvcaravanwithus@gmail.com rvcaravanwithus.com Tours, Rallies & Event Planning.

Parallax Power Supply Joe Brandon | 765-639-7233 JBrandon@ParallaxPower.com ParallaxPower.com Power Converter Chargers and Automatic Transfer Switches.

Ken Henderson 229-924-0851 hend4800@bellsouth.net gmcwipersetc.com Electric Windshield Wiper Kits

John & Linda Richardson 850-830-6100 jrichsr@aol.com AMSoil synthetic motor oil.

CamShield ZDDP motor oil additive.

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Raffle Winners Special thank you to all that donated items, as well as those who purchased tickets in Tallahassee. A special thank you to JR and Jeanne Slaten and Teresa Dall for conducting the raffle. All of the proceeds from the raffle go directly to Convention costs which results in keeping the Convention fees down.

HISTORY OF “THE SWIMSUIT” LADIES LUNCHEON There was plenty of sand, sandales, and smiles at the ladies luncheon hosted by the ladies of the GMC Sunshine Statesmen and GMC Dixielanders. Decorations, facts, and food was great!

First Place Prize: 10-$100 dollar bills ($1,000) donated by GMCMI and the winner is Alex Ferrara Second Place Prize: $1,000 Gift Certificate donated by Applied GMC and the winner is Alex Ferrara Third Place Prize: GMCMI Convention for Two within the Next Two Years donated by GMCMI and the winner is Christine DeVries Other Raffle Items: Chantilly Lane Singing Pirate and Parrot – GMCMI Kevan DeVault Fiberglass Dash – Alex Sirum GMC – Forest Crow GMC Lighted Handle – JR & Jeanne Slaten – Jim Gray Fiberglass Tire Cover – Frank Jenkins – Dan Cline GMC Buckle & Belt – Jim Galbavy Hot Wheel RV Series – Dan Cline Wiring Diagram (posted on wall) – Alan Henderson – Bob Braaf Hess Poster – Patricia D’Haem Sewer Hose – Gail McManus Copper Crisper – Tom & Marilyn Phipps – Dan Schaub Premium Stainless Steel Electric Pepper or Salt Mill – GMCMI – Ken Henderson Custom GMC tumbler – PJ’s Jugs & More – Alex Ferrara Collapsible Pot – GMCMI – Randy Van Winkle Thin Bins – GMCMI – Thomas Lins “RV there yet?” Wood Plaque – Audrey Holloway – Daniel Jacobs Collapsible Pot – GMCMI – Roscoe Hveem GMC Motorhome Tic Tac Toe – P & J’s Workshop – Rick Michelhaugh GMC Motorhome Wood Plaque – Audrey Holloway – Roger Schnake “RV there yet?” Wood Plaque – Audrey Holloway – Tom McManus

A big thank you to all that donated items and bought tickets!

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LOW COUNTRY BOIL PREPARED AND SERVED BY THE GMC DIXIELANDERS A big thank you to the entire GMC Dixielanders chapter for a fantastic meal! The shopping/ budget was organized by George Zhookoff while JR Slaten lead the cooking. Again, thank you!

“Thank all of you that helped with the Low Country Boil for the GMCMI members at the Spring Convention. Every one of you had a big part in making it a great success and I really appreciate the extra effort. With all your help, we made it happen, I want to give each of you a thank you and if I could a big hug. You guys are great.”

– JR Sl at en

GMC Motorhome Suppliers List >> FULL SERVICE, PARTS & REPAIR FACILITIES

>> SERVICE & REPAIR FACILITIES

Alex Sirum GMC Jeff Sirum | 863-763-1121 | sirum@gmcmh.com | www.gmcmh.com 1800 Hwy 70E, Okeechobee, FL 34972-3279 Specializing in GMC Motorhome sales, service, repairs & hard to find parts. We ship to all states & Canada. New updates available.

Bob Stone 618-964-9124 | Carbondale, IL Service and repair.

Applied GMC Jim Kanomata | 510-440-1101 | 800-752-7502 mail@appliedairfilters.com | www.gmcrvparts.com 38424 Cedar Blvd, Newark, CA 94560 Specializing in GMC Service, Repairs and Parts. Final Drives with various gear ratios, Headers, 3" Mandrel Bent Exhaust Parts, Mufflers. Tranny & Engine Replacement. Low every day prices on thousands of RV parts...plus tips and a “free” tech line for assistance.

DJ’s Classic GMC Motorhome Service 503-706-6402 | djsgmcs@embarqmail.com | www.djsgmcs.com 233 Northwest Olive, Sheridan OR 97378 Cinnabar certified service and repair.

Frank Borrman 519-335-3857 | Fax 519-325-6263 | frank@borrmannsgarage.com 86924 Brussels Line, Bluevale, ON N0G 1G0, Canada Complete gmc mechanical service and repair.

Grandview Motorhome Tom Hampton | 937-644-4238 | info@grandviewmotorhome.com www.grandviewmotorhome.com 13880 Weaver Road, Marysville, Ohio 43040 Restoration, service, and repair exclusively for GMCs. SS brake and tranny lines.

Cooperative Motor Works Jim Bounds | 407-857-5777 | 877-275-4462 coopmotorworks@yahoo.com | www.gmccoop.com 6101 Anno Avenue, Orlando, Florida 32809 Information, parts & service for the GMC Motorhome.

Repair and maintenance to Full Renovations available.

Read more on our web site.

Ken L. Frey Auto Repair 215-536-1246 | freyautoken@yahoo.com | www.kenlfreyautorepair.com 1669 N. Old Bethlehem Pike, Quakertown PA 18951 Service and repair of GMC Motorhomes.

Golby Motor Corp 352-793-7000 | golby@golbymotorcorp.com www.golbymotorcorp.com 3375 County Rd 528, Sumterville, FL 33585 Specializing in GMC Motorhome service, repairs and original body parts. Check out our website today!

NEW! | Lakeshore Custom RV | http://lakeshorecustomrv.com Nathan & Kim Davidson | 662-273-1003 nathan.davidson@lakeshorecustomrv.com 399B Co Rd 321, Luke, Mississippi 38852 Restoration, custom renovations, service, and repair.

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GMC Motorhome Suppliers List | continued >> COMMERCIAL PARTS SUPPLIERS Alex Sirum GMC Jeff Sirum | 863-763-1121 | sirum@gmcmh.com | www.gmcmh.com 1800 Hwy 70E, Okeechobee, FL 34972-3279 Specializing in GMC Motorhome sales, service, repairs & hard to find parts. We ship to all states & Canada. New updates available.

Applied GMC Jim Kanomata | 510-440-1101 | 800-752-7502 mail@appliedairfilters.com | www.gmcrvparts.com 38424 Cedar Blvd, Newark, CA 94560 Specializing in GMC Service, Repairs and Parts. Final Drives with various gear ratios, Headers, 3" Mandrel Bent Exhaust Parts, Mufflers. Tranny & Engine Replacement. Low every day prices on thousands of RV parts...plus tips and a “free” tech line for assistance.

Cooperative Motor Works Jim Bounds | 407-857-5777 | 877-275-4462 coopmotorworks@yahoo.com | www.gmccoop.com 6101 Anno Avenue, Orlando, Florida 32809 Information, parts & service for the GMC Motorhome. Repair and maintenance to Full Renovations available. Read more on our web site.

Gateway Motorhome 636-931-8282 | 800-654-0374 | www.gmcmotorhomeparts.com 4897 Schumacher Rd, High Ridge, MO 63049 Large selection of GMC parts. Ship daily.

Golby Motors 352-793-7000 | golby@golbymotorcorp.com | www.golbymotorcorp.com 3375 County Road 528, Sumterville, FL 33585 Specializing in GMC Motorhome service, repairs and original body parts. Check out our website today!

>> OTHER PART SUPPLIERS Alan Henderson | Large Format Electrical Diagrams info@midgacomputers.com www.bdub.net/GMC_Motorhome_Wiring_Diagrams.pdf Large format electrical diagrams. Honda EV4010 and EV6010 mounting templates at full scale.

Albert Branscombe | Parking Brakes | $525 519-368-7129 | branscoa@bmts.com | www.bdub.net/branscombe/ 33 Rae Street, P.O. Box 44,Tiverton, ON, N0G 2T0 CANADA All SS/Alum/Teflon kit, includes all cables, pulleys, brackets. Also, Air Powered Actuator kit – $575. Disc brake parking caliper kit -$475.

Complete instructions included. 10 year warranty.

Bill Bryant 914-475-2916 | gmc.bill@gmail.com 374 Overlook Road, Pleasant Valley, NY 12569 GMC Motorhome Historian. DVDs and CDs available on the history, dealer showroom videos and workprint. Flashdrive now available with the history, dealer showroom videos, and workprint for $45.

Blaine Merrell 765-522-3241 | dsekula@tds.net | www.bdub.net/blainemerrell/ 101 Way West Airpark, Bainbridge, IN 46105-9449 Front window screens, wind wings, lower radiator guard.

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Bob Burkitt 513-530-5021 | Fax 513-530-5023 | rburkitt@cinci.rr.com www.bdub.net/bobburkitt/ 11382 Marlette Drive, Cincinnati, OH 45249-2210 New screen door and Birch door replacement parts.

Classic Coaches & Accessories, LLC JR Slaten | 502-836-2097 | jrslaten@aol.com www.bdub.net/slaten 7702 Old Third Street Road, Louisville KY 40214-0341 Engine Oil Cooler Lines, Engine Oil Cooler Stainless Steel Rigid Tube Set Exact, Lighted Entry Handles, Power Level II Leveling Valve Set (1973 thru early 77) Custom Instrument Panels Mac McNeal | 704-985-0171 | cipdash@sbcglobal.net www.custominstrumentpanels.com 28585 Valley Drive, Albemarle, NC 28001 Custom instrument panels and instruments.

Dave Lenzi 810-653-3902 | mlenzi@charter.net 2285 Montague Road, Davison MI 48423-9103 Steering components, leveler linkage, leveler valve rebuilding, embossed copper exhaust gasket.

DJ’s Classic GMC Motorhomes DJ Eberhart| 503-706-6402 | djsgmcs@gmail.com | www.djsgmc.com 233 NW Olive, Sheridan, Or 97378 New and used GMC parts.

DL Design Store Terry Taylor | 510-276-5111 | n6mon@pacbell.net www.dldesignstore.com 801 Via Manzanas, San Lorenzo, CA 94580 GMC Model Name Emblems, personalized GMC paraphernalia.

DMAR Enterprises | Stainless Steel Tanks Jim DeMaere | 403-329-3091 2812 – 48th Avenue South, Lethbridge, Alberta T1K 7B3 SS replacement air and water heater tanks.

Frank Jenkins | Fiberglass & Aluminum Parts 352-485-1397 | 352-281-8082 cell gmcfrank@yahoo.com | http://geocities.ws/gmcfrank/ 18214 NE 21st Street, Gainesville, FL 32609 GMC fiberglass & aluminum fabrication. Instrument panels, bumper covers, toolboxes, grills, skirts and flares, radiator fan shrouds.

Gary Bovee 530-200-6247 | gary.bovee@gmcidiotsguide.com www.gmcidiotsguide.com 12495 Muller Avenue, Red Bluff, CA 96080 Alternator & A/C belt tensioners, Electronic Ignition Kit (Onan 4KW & 6KW), GMC valve stem caps, and Headlight & Turn Signal alarms.

Gary Kosier 740-366-1833 | gkosier@roadrunner.com | www.bdub.net/kosier 534 Welcome Drive, Newark, OH 43055-9615 Bogie Greaser Kit, Awning Protector.

GMC RV Shades (formerly Guske Sales) Gary Coaster | 810-650-5111 | gmcshades@gmail.com 2600 Knob Hill Drive, Reno, NV 89502 “Guske” Day/Night shades custom fitted for GMC Motorhomes, outside window covers.

Classified Ads TZE Zone Restorations John R. Wright | 989-859-0715 | powerjon@chartermi.net 1196 E Olson Road, Midland, MI 48640-8610 Front Air Dam, Bolt kits for bumpers, axles, exhaust manifolds, and header.

Jim Hupy 503-362-1583 | jamesh1296@gmail.com | www.bdub.net/jhupy/ 1754 82nd Avenue SE, Salem, OH 97317 | Master Cylinder Power Bleeder and Remote Controlled Wireless Air Suspension System.

John Beaver 229-942-0189 129 East Shore Ave, Americus, GA 31719 Automotive machine work and rebuild engines.

John Biwersi | Engine Cooling Fan | Direct Replacement 651-779-6498 | jbiwersi@mac.com 2938 N Mary St, Maplewood, MN 55109-1671 For all GMCMH that have the original steel blade fan. It is the same OD and pitch but has 10 blades instead of 7. Hub is steel and blades are molded nylon, this is not a “flexfan”. “Made in the USA” and is 100 % precision balanced to minimize vibration to the fan clutch and water pump.

John Richardson 850-830-6100 | jrichsr@aol.com | P.O. Box 5191, Niceville, FL 32578 AMSoil synthetic motor oil. CamShield ZDDP motor oil additive.

Ken Henderson | Electric Windshield Wiper Kit | $300 229-924-0851 | hend4800@bellsouth.net | www.gmcwipersetc.com 110 O’Hara Road, Americus, GA 31719-2140 GMC Motorhome Electric Windshield Wiper Kit. All mechanical and electrical parts to install your locally purchased electric motor w/ intermittent sweep. Free shipping for GMC Club members.

Kerry Pinkerton – K.I.S.S. Shelf | $21.50 A simple aluminum tray that hooks over the lip under either of your front hoods to hold tools, parts, or whatever.

Kerry Pinkerton | 256-859-2999 | pinkertonk@mchsi.com

Manny’s Transmissions | Torsion Bar Unloading Tool Manny Trovao | 408-937-1583 | mannystrans@gmail.com Rebuilt THM425 Transmission, Switch Pitch Converter, Power Drive, 3.21:1 Final Drive, One-Ton Front End, New Steering Box, Reaction Disk Brake System, Torsion Bar Pork Chops

Variety Ventures Dan Stuckey | 519-844-2083 | stuckey@brktel.on.ca Box 105 3249 Inwood Road, Inwood, Ontario Canada N0N 1K0 New Main Frame Components (side rails, cross members, H-frames) DIY or I install, Macerator kits.

Classifieds >> REVCON MOTORHOME FOR SALE 1978 Chamelot 31.5’ Zombie Themed photo(s) on www.gmcmi.com NC | $18,000 | Has Toronado drivetrain! Slantnose Revcon, many repairs completed in the last two years. New tires, carpet, led lights, etc. Do check out listing on the website.

Michael | 226-225-1445 | Calls only...do not do texts or email.

>> GMC MOTORHOMES FOR SALE 1973 Custom GMC Canyon Lands Handicap Accessible Price Lowered | OH | $22,000 $27,900 | photo(s) on www.gmcmi.com Rebuilt final drive, transmission, good frame, sleeps 4, new dash, handicap shower and toilet, Alcoa wheels. tom@grandviewmotorhome.com | 937-537-1612

New Aluminum Radiator | $799 Jim Buchanan | 828-464-5105 | gmcmei@charter.net PO Box 893, Conover, NC 28613-0893 Modern radiator designed specifically for your GMC Motorhome. Easy installation, dependable cooling. Ships for less than $40.

1974 GMC Motorhome WA | $6,950 | photo(s) on www.gmcmi.com Springtime! I have made this PRICE drop to move! $6,950.00 was 9,750.00! Lets find her a new home... Lets’s talk. A great coach to finish and personalize. I have invested time + $ and am now sharing this with the GMC Community.

Jeff Eichen | 360-774-2235 | jeichen@anet.net

Paul Bennett 803-799-4323 | bennettpz@aol.com | www.bdub.net/paulbennett 216 Old Forge Road, Chapin, SC 29036-9751 Jack pads, air bag lifters. Center line hitch ($439.50 plus shipping) designed exclusively for the GMC. Mounts through center of the bumper.

Easy bolt on install with no welding.

1975 Glenbrook NH | $55,000 | photo(s) on www.gmcmi.com GMC completely restored in 1997 and kitchen updated last year with Corian counter, Samsung convection microwave, sink and two-burner cooktop plus a new vinyl plank floor. Rear twin bed and dry bath.

Paul | 508-954-8075

Rance Baxter 814-596-5254 | rancefi@frontiernet.net | www.rancefi.com 230 Mountain View Road, Genesee, PA 16923-9725 Port fuel injection, Cadillac and Oldsmobile engine cores, and 425 transmission/ final drive cores.

1975 Glenbrook & 1978 VW Karman Convertible!

WA | $22,500 GMC and $14,000 VW | photo(s) on www.gmcmi.com GMC-custom exterior paint, new dash, floors furnace, refrig, sink, faucet, countertop, headliner, see website for complete list. VW-70,910 miles, fuel injection, original paint, interior dash, etc. Stored in garage.

Elaine | 509-375-3432

Springfield Performance Ignition Dick Paterson | 705-325-4554 | Fax 705-325-3569 dick@paterson-gmc.com | www.paterson-gmc.com 3956 Line 11 North, RR#3, Coldwater, Ontario, Canada LOK 1EO Re-curved distributors. Rebuilt carburetors. Wire sets, 1973-74 points conversion.

1976 Eleganza IN | $10,900 | photo(s) on www.gmcmi.com New upholstery, Flexsteel seats. Ready to go on a trip. Documentation, receipts, manuals, etc. Getting older and need to sell.

Larry Snider | 765-618-6691 | coralbus@yahoo.com SPRING 2019

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Classified Ads 1976 Glenbrook – Price Lowered MN | $21,000 $27,000 | photo(s) on www.gmcmi.com 93,000 miles. This coach is road worthy. We have spent almost two years having professions make repair and improvements. This spring, the coach was reviewed by a professional for all kinds of little things to get all systems as perfect as possible. See website for complete list.

Greg | gmc.bus@yahoo.com 1976 Glenbrook – Price Lowered NY | $13,000 entertain all offers $14,999 | photo(s) on www.gmcmi.com About 54K mi; owned by former GMCMI board member, George DelVecchio. Dinette w/captain chairs; kitchen w/stove, oven, refrig/freezer, sink; rear full-sized bed. Wet bath. Please help George’s wife, Joan, find a new owner for this lovely motorhome!

Suzanne (DelVecchio) Glenn | sglenn@juno.com | 214-616-979 1976 Golby Twin Bed Conversion photo(s) on www.gmcmi.com FL | $45,000 | Same owner 20+ years. Stored in air-cond garage. Rear twin beds and dry side bath by Golby GMC. Many new /replaced items. Must check it out!

Donald Grisham | 863-291-4314 | dongrisham@hotmail.com 1977 Royale 26’– Price Lowered OR | $28,000 $31,900 | photo(s) on www.gmcmi.com Second owner. Interior enhanced, however, goal was to maintain the GMC’s design ambience and show off the beautiful walnut interior.

Maintained regularly and ready to hit the road.

Dan MacKinnon | danmable@comcast.net | 503-639-8772

1978 Eleganza MI | $25,000 | photo(s) on www.gmcmi.com Mechanically sound with 40,000 miles on the engine and 120,000 on the coach. The coach drives like a dream, check website ad for list of many upgrades.

Greg Smith | gsmith7859@aol.com | 313-886-8546 1978 Eleganza II NY | $10,000 entertain all offers | photo(s) on www.gmcmi.com Original w/ 112K Mi; Wet hot kit and bath; rear bedroom w/full; sofa and dinette convert to sleep many; lots storage; owned by mechanical engineer, George DelVecchio.

Suzanne (DelVecchio) Glenn | sglenn@juno.com | 214-616-9792

1978 Royale OR | $20,000 | photo(s) on www.gmcmi.com Beautiful coach inside and out. No mechanical issues. All systems work.

Dave Tolle | 661-904-6781 | dave.tolle@sweethome.k12.or.us

>> PARTS/TOW VEHICLES/ETC. FOR SALE Parts from Royale and More! | IA Many Royale parts and more! Complete list on gmcmi.com Bob Dunahugh | 319-521-4891 | yenko108@hotmail.com Engine Gantry/Hoist | NV GMC engine installation and removal gantry. Used once and works well.

(For removal through the entry door.) Comes with chain hoist and dolly.

Evan Jones | type3yel@yahoo.com | 702-334-7008 Parts from 1977 Kingsley | SC Six side windows, propane tank, three-burner stove w/oven, furnace, over stove vent w/lights, front dinette seats, table and engine air cleaner.

Duane Weber | 843-817-1120

>> WANTED Zip Dee Awning Factory Original Good condition for a 1973 Painted Desert.

Frank Shepherd | candoez007@aol.com Clean Chrome Bumpers For 26' 1973 GMC Canyonlands (both front and back) If found in the Midwest, I can pick them up.

Doug Smith | 402-416-3585 (Lincoln, NE) | dsmithy18@gmail.com Want to sell your GMC Motorhome?

Want to sell your GMC Motorhome? Call Buddy Bethune at Bethune Sales Co. We cover the US and Canada.

Buddy Bethune | 704-892-1234 | www.bethunesales.com

GMCMH Suppliers List, GMCMH Marketplace, GMCMH Parts Interchange, Manuals, Technical Papers & Presentations, GMCMH History, GMCMH Community Calendar Community Cookbook, Photos, Community Links to the GMCMH Regional Chapters – GMCMH Registry – H GMCMH Black List, MEMBER BENEFIT and more!

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1978 Royale photo(s) on www.gmcmi.com NC | $12,000 | New solid bamboo flooring, new frig, many upgrades.

Tyler Townsend | tilertown@hotmail.com

>> Regional GMC Chapters...Join in on the Fun! >> GMC Colonial Travelers & Tidewater Crabs

>> GMC Sunshine Statesmen – May Rally

May 2019 | The GMC Colonial Travelers and Tidewater Crabs combined for a great rally in Gettysburg, Pennsylvania. There was the usual food and fellowship, and also a tour of the historic battlefield.

We met at the Jolly Rogers RV Resort which included lots of sunshine, sunsets, and food. The pirate party was fun for all, with pirate-themed games including bingo!

>> GMC Western States San Diego Rally

>> GMC Cascaders – May

GMCWS went “Hawaiian-Style” on April 3-8. Attendees enjoyed a tour of San Diego, great meals, and fun. The ladies had an Easter Brunch with a presentation on California Pottery.

Blue skies and 80-degree temps made the rally at the Blue Ox Park in Albany, Oregon fantastic! The group explored historic downtown for their annual wine walk and then ventured into the countryside to visit the covered bridges.

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>> GMC Great Lakers’ Presentation The GMC Great Lakers were invited by Macomb County Community College in Clinton Township, Michigan to participate in their Annual Spring Cultural Program held at Macomb College’s Lorenzo Cultural Center, through the efforts of Great Lakers member Tom Dixon (a local resident and former Macomb College employee). This year the Lorenzo Cultural Center’s program theme was The 70’s – Heavy, Hip, and Happenin’. The Lorenzo Cultural Center opened in 2006 as a venue for exploring the influences and experiences; historical as well as current that shape our heritage. The Cultural Center has attracted more than 140,000 visitors to view its rotating displays and presentations. Organizations like the Detroit Historical Museum, the Gerald R. Ford Presidential Library and Museum, and many private collectors contributed to various displays and programs for this year’s theme.

GMC Great Laker President Becky Johnson

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GMC Great Lakers President, Becky Johnson (a former General Motors Truck design & development engineer) gave a 45 minute PowerPoint presentation about the GMC Motorhome and the 70’s, that highlighted the background behind the GMC Motorhome. Using historical photographs and edited clips of dealer videos from the 1970’s, her presentation briefly explained – What is a GMC Motorhome?

Why did GM build it?

How did GM build it?

Where was it built? and What happened to the GMC Motorhome?

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The Lorenzo Cultural Center Lobby Presentation

The presentation concluded with a history of the GMC Great Lakers club. In addition to the presentation, there were several poster displays in the conference room with addtional vehicle photos, design & testing photos, assembly plant photos, and additional details about the GMC Motorhome. Three of the Great Lakers members brought their coaches to the college and opened them up for touring after the presentation. Bill Helmore brought his restored original-like 1978 Palm Beach. Steve and Becky Johnson had their restored with some modernized 1977 Eleganza II. Along with Greg and Karen Breen-Bondie with their customized 1978 Buskirk Royale.

Approximately 114 people attended the GMC presentation, which included several Great Lakers members, some former GMC assembly plant workers, and a former GMC Motorhome Engineer, Karl Gross. Most of the audience members were from the local community as well as the college itself. They were excited to learn a little more about the GMC Motorhome, asking many questions both during and after the presentation. Numerous audience members stayed after and toured the GMCs in the parking lot as well. Macomb College deserves many thanks for inviting our club to participate in this year’s cultural program, and for the well organized displays.

GMCMH Events Calendar

>> GMC Great Lakers Celebrate 43 Years!

There were 19 GMCs in Holland, Michigan at the Dutch Treat Campground. While the weather was cooler, the sun was out most of the time. The members enjoyed viewing the thousands of tulips all around the Holland community.

JULY 2019 5 Tulsa Lunch Bunch 11-14 GMC Heritage Cruisers | gmcheritagecruisers.com 11-14 GMC Midwest Classics | gmcmidwestclassics.org 12-14 GMC Colonial Travelers | gmccolonial.com 12-15 GMC Noreasters| gmcnoreasters.org 18-21 GMC Classics | gmcclassics.com 19-21 GMC Mountainaires | gmc-mountainaires.org 24-28 GMC Great Lakers | gmcgreatlakers.org 26-28 GMC Cascaders and 49er’s | gmc-cascaders.com 26 Central Texas Lunch Bunch 26 East Texas Lunch Bunch

AUGUST 2019 2 Tulsa Lunch Bunch 2-5 GMC Heritage Cruisers | gmcheritagecruisers.com 10 2019 All GM Car Show | gmctidewatercrabs.com 16-19 GMC Noreasters| gmcnoreasters.org 19-21 GMC Mountainaires | gmc-mountainaires.org 22-25 GMC Great Lakers | gmcgreatlakers.org 22-25 GMC Pacific Cruisers | gmcpc.org 23 Central Texas Lunch Bunch 23 East Texas Lunch Bunch

GMCMI FALL 2019 CONVENTION October 4-10 Mansfield, Ohio

>> GMC Pacific Cruisers | March Nine GMC Motorhomes joined their hosts, Art and Jacqui Johnson at their compound in Desert Hot Springs for four days of visiting and enjoying the beauty of the low desert.

They were welcomed by a carpet of yellow and white wildflowers blooming in the desert.

We welcome the GMC Great Lakers, GMC Heritage Cruisers, and the GMC Tidewater Crabs who are utilizing the Convention as their Fall Rally.

REGIONAL CHAPTER OPPORTUNITY Consider utilizing one of the GMCMI Conventions as one of your rallies, it comes with benefits!

Contact admin@gmcmi.com for more information.

FOR UP-TO-DATE INFORMATION Go to gmcmi.com/gmc-calendar/ TO SUBMIT A DATE Email date and information to admin@gmcmi.com

SPRING 2019

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