GMC Vintage RVing Magazine – Spring 2022

Spring 2022 | Issue 159

GMC MOTORHOMES INTERNATIONAL

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A magazine dedicated to promoting the legacy and use of GMC Motorhomes

1982-2022

iversary 0 th Ann

Spring is in the Air! [

Ben 10 Cartoon

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Vintage RV Rally SE2024 Hosted by GMCMI

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Member Shares GMCMI Memories

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Technical Corner

president’s corner

GMC MOTORHOMES INTERNATIONAL

GMC Motorhomes International was founded in 1982 by Ralph Luby >> GMC Motorhomes International Admin:1214 N Jefferson Way Ste 352 Indianola, IA 50125

I have always believed that there is a certain satisfaction to be gained from being extremely busy and getting things done.

Corporate: 1402 So Cage Blvd, Unit 273 Pharr, TX 78577 | 612-501-4600 admin@gmcmi.com | gmcmi.com >> GMC Vintage RVing Magazine Published quarterly for members of GMC Motorhomes International.

Managing Editor | Graphic Designer Kimberlea Weeks | 612-501-4600 admin@gmcmi.com Editor | Janet Frey | 215-536-9064 freyjanetr@yahoo.com Technical Editor | Randy Van Winkle 417-429-5925 | rlvanwin@gmail.com >> Online Version Flipbook of the magazine is available online at gmcmi.com/gmc-vintage-rving >> Submission Please send articles and newly found part numbers 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. ©2022 GMC Motorhomes International

2021-22 GMCMI Board of Directors Dolph Santorine President

The 800 pound gorilla in the room is “What happened to Patterson”, and you will find a very well written explanation on page 12. We practiced good governance for GMCMI, and took every opportunity to protect our membership.

The 2022 Spring Mailing contents are: this magazine, the GMCMH Parts Interchange, GMCMI Article Index addendum (one page, covering 2021 additions). We have produced a revised 2022 GMCMI Article Index pdf that is available in the “members only” section of our website. In coordination with Billy Massey, the “Black List” will be distributed in print every other year. A pdf of the publication is available at GMCMI.com, or wwww.bdub.com.

As I write this, I have been on a “Black List” call, and am helping a stranded GMC’er. I know you have heard this before, but it is worth repeating. By far, the best part of a GMC Motorhome is the community. You are the best. The Black List lets us all endeavor to keep it that way.

There will be a GMCMI survey sent to you. It is only five questions and your feedback is critically important to set the tone and direction of GMCMI. If we do not have an email address for you, it will arrive in your postal mail. Please take the time to reply.

You are going to see some exciting changes in how our Spring 2024 Convention is marketed. Check out the back page and the explanation of the change on page 7. It is going to be the “Vintage RV Rally SE2024” hosted by GMC Motorhomes International. A convention is the best point to observe the total solar eclipse! It is still us, with the same great GMC Motorhome specific presentations, but we are inviting other vintage class A coaches to come out and play. I know it is going to “eclipse” anything we have done before. You know it is going to be a great time, and a great time with more people is, – DOLPH SANTORINE, well, just greater!

GMCMI PRESIDENT

“Registration Is Open!”

Registration is open for our 2022 Fall 40th Anniversary Convention in Lebanon, Tennessee! You can register at www.gmcmi.com. It is in a great location with lots to do. I sincerely hope to see you there!

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

John Pryzbylek VP Great Lakes

John Smyrski Director

Lucy Weidner VP Midwest

Keith Weeks 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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Dolph Santorine

Such has been the case with the leadership of GMCMI. The board had agreed to stay on for 2021-2022, and the nominating committee has all the pieces in place for the fall elections. I know it is an amazing team that has held together through the most trying times. I am proud of what we have accomplished in under less than optimal conditions.

While we all have our unique way of planning and budgeting for travel, my typical trip had about 15% for fuel. That is now 30%, but the largest part of our budget is for the rest of the things that we do along the way and where we are going. Traveling about we have seen more people at campgrounds and state parks than ever, so it requires just a bit more planning.

With care, a few miles per hour slower, we can have fun, and stay on budget. We can do this!

So, while the eldest of our motorhomes are turning 50, our association is turning 40.

The future is looking bright!

Spring Mailing Delay

GMCMI Status

I would like to apologize for the delay of the 2022 Spring mailing. The Weeks’ household pretty much lost the month of May. Both of us contracted COVID and then after about three weeks of recouping, Keith experienced a heart attack, complications, and finally a stent. An additional procedure is in the future. Thank you for your kind words, understanding, and patience.

Membership stands at 795.

We have 35 new members since our last publication.

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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 WINTER 2020

CONTENTS

4

GMCMI . . . A New Era

4

SPRING 2022

DEPARTMENTS 2 President’s Corner 10 FMCA Report

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8

Calling All

BEWARE OF Vintage RV Rally CONTENTS SCAMS SE2 24

11 GMCMH Vendor Profile

Check OutMotorhome New NameHistory & Logo!

12 GMC 13 Technical Corner

WINTER 2020

26 Regional GMCMH Activities 27 GMCMH Events Calendar TOTAL SOLAR ECLIPSEiAPRIL 3-9iMINEOLA, TX hosted by GMC Motorhomes International

GMCMI . . . A New Era 12

The McLaughlins Share GMCMI Memories 17

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DEPARTMENTS

2 President’s Corner

GMCMI Spring Convention

Pre-Rally, Cancellation, & The Future

10 FMCA Report

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11 GMCMH Vendor Profile 12 GMC Motorhome History

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

and their Owners!

24 Classified Ads

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Join us at facebook.com/ GMCMI

GMC Motorhomes

22 GMCMH Suppliers List

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Keep informed about GMCMI Events and Members.

BEWARE OF SCAMS

DEPARTMENTS

13 Technical CornerON THE COVER Pictured along the banks of Lake Pepin on the Minnesota sideList looking at Wisconsin is a 1976 Palm Beach owned

by Tim and Niki 22 GMCMH Suppliers 2 President’s Corner

Anderson of Hugo, Minnesota. This coach features a rear bed, wet bath, side 6 Generally Speaking kitchen with oak countertop along with bunks above the sofa. The coach is mostly original interior with the original paint job on the 26 Regional GMCMH Activities 14 Member Profile outside plus Alcoa wheels, recently rebuilt 455 engine, Carefree awning, Sully style air bags, 27 GMCMH Events Calendar Technical Cornermiles on the odometer and air horn. They purchased 16 it in 2013 with ~40,000 from friends of the original owners in Kansas.

They plan onList installing fuel 21 GMCMH Suppliers ON THE COVER | With an original exterior injection this Spring in preparation for a trip from Minnesota to California.

1973 Painted Desert (23 foot) owned by Classified Ads from spring thru fall they When not on vacation, almost23 every other weekend Darrin and Lindsay Gens from Vernon travelCenter, to campgrounds, car shows, parades, pumpkin patch, tailgating at the 25 Regional GMCMH Activities Minnesota. Pictured in front of the GMC is GMC rallies, and all sorts of other activities. They proudly show racetrack, 27 GMCMH Events Calendar their are Cooper (9), Logan (7), Nash (5), Darrin the his son, Weston. Darrin andcoach his sonat the car shows. Pictured and Remington of GMCMI members Rodney & Brenda Gens of aka Remi the golden doodle (3 months).

24 Classified Ads

Madelia, Minnesota who own a 1978 Royale.

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WINTER 2020

SPRING 2022

GMC MOTORHOMES

Beinformed part of the Keep about GMC Community GMCMI Events Facebook page by and Members. sharing photos of Joinour us at our GMCs, facebook.com/ GMCs, adventures adventures andand GMCMI those important technical questions.

Join us at facebook.com/ groups/vintage gmcmotorhomes/ Read the flipbook version of the GMC Vintage RVing magazine online at gmcmi.com Technical Support, Parts Interchange, History and More!

GMCMI.com Be part of the GMC Community Facebook page by sharing photos of our GMCs, adventures and Shop for specialized those important GMCMH items and technicalmagazines! questions. previous Join us at thegmcmhstore.com facebook.com/ groups/vintage INTERNATIONAL 3 gmcmotorhomes/

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Ben 10 The original series (consisting of 13 episodes), was created by Man of Action Studios. The pilot episode aired on December 27, 2005, as part of a sneak peek of Cartoon Network’s Saturday morning lineup. The second episode was shown as a special on Cartoon Network’s Fridays on January 13, 2006, and the final regular episode aired on April 15, 2008.

BY JANET FREY | GMC VINTAGE RVING MAGAZINE EDITOR

Just when we thought we knew everything about the GMC Motorhome toys, marketing logos, packaging

The series gradually became popular among audiences and received numerous accolades, including three Emmy awards. It earned a massive $6 billion and with a run of 15 years, this is the longestlasting franchise in Cartoon Network history (fact from a story dated March 16, 2022).

The cartoon would go on to spawn the following: Ben 10 was succeeded by Ben 10: Alien Force, Ben 10: Ultimate Alien and

materials, and signs; we have found another one!

THIS ONE IS OUT OF THIS WORLD! There is a cartoon series, movies, and toys featuring a young boy named Ben 10. His claim to fame is obtaining an alien device resembling a wristwatch that allows him to transform into 10 aliens. How does the GMC Motorhome fit in? Well, apparently Ben’s grandfather has a motorhome that looks suspiciously like a GMC. The largest drawback to this identity is that it has rust and is called the “Rust Bucket”. Now, we all know that a GMC body does not rust – it is aluminum and fiberglass.

The motorhome is never identified as a GMC Motorhome, but, hey, just One lucky person will check out photos at below!

Win A Ben 10 Toy

win a Ben 10 Toy at the 2022 Fall GMCMI Convention in Lebanon, Tennessee.

Good Luck!

BEN 10 Max’s DX Laboratory Play Set

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While taking photos of the two boxes we noticed that they were different. The toys are the same but notice Ben appeared older and the Ben 10 logo was different. With a little research we discovered there is a series of different logos.

Logo used from 2005-2008

Logo used from 2008-2012

Ben 10: Omniverse.

A fifth series, and reboot in 2016.

Rust Bucket | Original Series

Our GMCMH Historian Bill Bryant mentioned that did not publicize the toy because of the rust. He commented, “It was too bad that the creators implemented the rust on the GMC Motorhome.”

The original series also has three television movies based on it; Ben 10: Secret of the Omnitrix which serves as the grand finale of the original series as an alternate universe live-action adaptation, Ben 10: Race Against Time (notable for starring Lee Majors as Grandpa Max), and a 2012 all-computer generated imagery film called Ben 10: Destroy All Aliens.

You can watch many of the episodes/ series free by Googling. They are also listed at: https://www.imdb.com/title/ tt0760437/.

Storyline A 10-year-old boy named Ben Tennyson is on a summer vacation road trip across the United States and back with his cousin Gwen and their Grandpa Max. Grandpa is in his 60’s, rather a large fellow and a bit slow at times, but a somewhat handsome chap. His past life was a plumber. He retired but still fights aliens in his free time with a keen sense for adventure and a strange taste in food – the only thing that Ben and Gwen do not argue about.

On their first night camping in their grandfather’s motorhome affectionately named the “Rust Bucket”, Ben finds an alien device resembling a wristwatch named the Omnitrix. The device which contains DNA of different alien species permanently attaches itself to his wrist giving him the ability to transform into a variety of alien life-forms each with

its own unique skills and powers. With his newfound superpowers Ben must learn the responsibilities of being a hero. During their vacation, the Tennysons are attacked by various enemies ranging from space aliens to supernatural entities.

Ben 10 Toys The Ben 10 Max’s DX Laboratory Play Set is housed in a replica of Grandpa Max’s motorhome the “Rust Bucket”. Despite having state-of-the-art armaments and capabilities, the Rust Bucket has a faulty toilet and a broken air conditioner. It was destroyed sometime before the events of the flashbacks in the Omniverse series The “Rust Bucket 2” is Grandpa Max’s replacement motorhome which is outfitted with much of the same technology as the original, including jet propulsion and advanced laser weaponry.

It is nearly identical in appearance to the first Rust Bucket, but is missing the satellite dishes and antenna from its roof.

The Rust Bucket 2 also has blue-tinted windows, whereas the old Rust Bucket’s windows were black-tinted.

Final Thoughts If you have not had a bit of a laugh about all this, have a glass of wine and read it again! Really, who knew that a GMC could be so unique? To me, it seems like Ben 10 and his adventures are a PG version of the Stripes movie. And it shows once again, that the GMC Motorhome is a one-of-a-kind creation that keeps being rediscovered – even after 44 years have passed since the last one was built!

Rust Bucket 2

Another GMCMH Toy? While doing research of this toy we discovered a photograph of a lego Ben 10 “Rust Bucket”. We believe this was a kit because of the custom grill and antenna pieces.

Have you seen one of these?

Check out the following videos at www.gmcmi.com/collectables: • Ben 10 Alien Laboratory Toy Commercial (2006) • Ben 10 Alien Laboratory Toy Commercial • Ben 10 Cartoon Network Show Commercial • Ben 10 Video of Theme Song

SPRING 2022

GMC MOTORHOMES INTERNATIONAL

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Generally Speaking Ò

QUESTIONS, TIPS, INNOVATIONS, AND MORE

The “Generally Speaking” column, is a place to share maintenance ideas, parts, tips, innovations, and more.

We all have encountered situations that tested our creativity and ability to think outside the box.

So, here is a place to share these ideas, or even request a solution. Contact GMCMI Admin with your ideas or questions, and look for them in a future magazine.

Lost and Found!

Kim Weeks | GMCMI Convention Manager

Do you need a surge protector for your RV? While it is tempting to just plug into the campground pedestal, it is important to make sure there are not any problems which can damage your electrical system or electrical components and appliances.

During my research, I discovered two options, the surge protector and the energy management system (EMS) for our coach’s electrical systems (30 amp or 50 amp).

So what is the difference? A surge protector is designed to protect from low voltage, open ground, open neutral, reverse polarity, and accidentally plugging into a 240-volt outlet. An EMS monitors power usage and makes adjustments to the loads to reduce tripping of the pedestal breaker. Some EMS models will even have a readout to show you what fault occurred.

Folding Drying Mat The Cuisinart Dish Drying Mat with Rack is ideal for the GMC Motorhome. This fast-drying absorbent microfiber mat holds a variety of cookware and dinnerware then folds up for storage. Can be purchased at Walmart or Amazon.

Editor’s Note: You could win a dish drying mat and rack at the 2022 Fall GMCMI’s 40th Anniversary Convention in Lebanon, Tennessee!

What do they cost? Searching the internet I found them priced from $100-$500, but it could pay for itself in just one night connected to a defective pedestal.

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GMCMI has been collecting recipes and sharing them via the gmcmi.com website for several years. At the 2017 Spring “Vintage Motorhome Celebration” in Shawnee, Oklahoma attendees submitted several recipes to be included.

Unfortunately, they were misfiled and recently discovered. We are pleased to inform you that the recipes have been added to the GMC Community Recipe Book. Enjoy!

Check out the recipes at www.gmcmi.com/ community-cookbook

Spices At Ease Give your spice jars the space, visibility, and easy access you deserve, without taking up one inch of drawer, shelf, or counter space. The Bellemain Clip Strip System mounts securely with top-quality adhesive tape, can be cut to different sizes, and automatically adjust to grip any jar up to 1.75” diameter for different brands and jar shapes.

Can be purchased at Amazon.

Vintage RV Rally

SE2 24

TOTAL SOLAR ECLIPSEiAPRIL 3-9iMINEOLA, TX hosted by GMC Motorhomes International

Check Out New Name & Logo!

Look closely – it says, “Vintage RV Rally, April 3-9, 2024, in Mineola, Texas”.

What is different?

were warmly welcomed by our members.

Because of this success, our administrator thought that it is time for another venture.

Instead of being advertised as the GMCMI Eclipse Spring 2024 Convention, we will be advertising as a “Vintage RV Rally hosted

by GMCMI” during the total solar eclipse.

What is in those words?

Second, the selection of words is critical for promoting this event. When researching the process to advertise the Convention, we discovered that words like “vintage” and “rally” were much more effective in making the connection to the owners that we want to reach.

Several things: First, it will not be an exclusively GMC Motorhome gathering.

As we did in the Spring of 2017 at the “Vintage Motorhome Celebration” in Shawnee, Oklahoma, GMCMI is inviting owners of other vintage class A motorhomes to come and participate. In 2017, four motorhomes joined us: 1989 Winnebago Spectrum, 1974 FMC 2900, 1984 Airstream 300LE, and 1982 Revcon. The owners were impressed by our organization, and

There are important features that will not change. There will still be our signature seminars, tech info, fun activities, and fellowship. The rally will still be a Convention…. just a rose by another name! So mark your calendar to plan to attend the “Rally” in Mineola, Texas. And be prepared to have an out-of-this world experience!

i For more information on the eclipse go to: https://eclipse.aas.org/eclipse-america-2024

SPRING 2022

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1999 Spring GMCMI Convention, Myrtle Beach, South Carolina: Larry and Bill Helmore calling bingo.

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The McLaughlins Share Memories

BY MARGIE McLAUGHLIN (AND LARRY TOO) | 1976 PALM BEACH | MONCTON, NEW BRUNSWICK, CANADA

We started “GMCing” in 1976 with our first coach which was a 1973. I forget the name but it was a bright orange color, had shag carpet, and fit in quite well with the 70s disco era. It carried us and all five children from home to Disney World and back, the first trip out. We then swapped it out for a 1974 and Larry was not happy until he acquired our current 1976 Palm Beach. We have logged thousands of miles on the Palm Beach, and it remains the nicest coach we have ever seen. It has taken us to every province in Canada, every one of the lower 48 states and through Alaska twice. Along the way we have met the nicest people ever and made most of our best friends through motor coaching.

Nothing makes Larry and me happier than getting a call out of the blue that some GMCMI’er saw our name in the

membership directory and is going to drop in to see us in Moncton, New Brunswick.

Our first GMCMI Convention was in Bethlehem, Pennsylvania, (GMCMI’s third rally in the Summer of 1983 with 103 GMC Motorhomes) back when the GMCMI Conventions were connected with FMCA events.

What an eye-opener as we came over the hill and saw hundreds, maybe a thousand coaches sprawling over a huge field-turned campground/rally site. At the time a fellow named Ralph Luby organized all the GMCs to park together.

We have both served on the GMCMI board in senior capacities and I was the first Ladies Editor of the

In 2022 at Larry and Margie’s home showing the beautiful quilt she won.

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2004 Fall GMCMI Convention, Marion, North Carolina: Margie models her “Red Hat” outfit.

GMCMI newsletter. The Ladies always had lots of productive things to do while the men sat around chatting about things that “they claimed” to be experts on. The ladies even started a GMC chapter of the International Red Hats Society. Another one of our major undertakings was making quilts under Jeanne Robinson’s guidance. We made a few quilts at each rally and donated them to a special “deserving group” The last quilt we made had a special GMC significance and was done at one of the anniversary rallies. All the ladies who helped on it put their names in a drawing and yours truly was the lucky winner. That quilt still gets snuggles on our GMC weekend outings.

We have been to more GMCMI Conventions than I can count but I can say we have made ten

Photo courtesy of: Janet Frey

2012 Fall GMCMI Convention, Amana, Iowa: Larry with Walt Halley and Bob Drewes.

2006 Fall GMCMI Convention, Berrien Springs, Michigan: Larry featuring a red nose at “Show ’n Tell”.

1993 Fall GMCMI Convention, Goshen, Indiana: featuring more smiles than miles on our stuffed travel companions, Glenna and Judd.

2010 Fall GMCMI Convention, DuQuoin, Illinois: Larry with Glenn Herzberger up high taking photos.

times that many friends. Thanks to the current directors and members for keeping this organization active and going forward. We have much to be thankful for.

Larry and I are very sorry we might not be attending many of the upcoming USA GMCMH events, but are overjoyed that the tradition continues.

Margie McLaughlin (and Larry too).

2002 Fall GMCMI Convention, Nashville, Tennessee: some of the men modeled their red hats for the ladies.

2002 Fall GMCMI Convention, Nashville, Tennessee: pictured are over 150 Red Hat ladies!

SPRING 2022

GMC MOTORHOMES INTERNATIONAL

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Throughout the years, the “Sheriff” arrives early each morning to ensure that attendees have their badges. As you can see, Larry enjoyed his role!

2012 Fall GMCMI Convention, Amana, Iowa: the Sheriff and Janet Frey.

2012 Fall GMCMI Convention, Amana, Iowa: the Sheriff gives Priscilla Wartman a temporary badge.

Larry’s Vehicles 2012 Fall GMCMI Convention, Amana, Iowa: the Sheriff is all tied up by Larry Weidner, Larry Whisler, and the new masked Sheriff!

2010 Fall GMCMI Convention, DuQuoin, Illinois: Glenn Herzberger taking photo of the Sheriff and George Beckman.

Show ’n Tell Wow....what can you say. You never knew what the hosts, Larry & Margie, would come up with.

2010 Fall GMCMI Convention, DuQuoin, Illinois: posing with his new wheels.

2002 Fall GMCMI Convention, Nashville, Tennessee: Larry was surprised with the tricycle and helmet to use as a result of a mishap with a golf cart (Bill Porter) and motorhome.

2001 Fall GMCMI Convention, Grand Island, New York: leading “Show ‘n Tell”.

2004 Fall GMCMI Convention, Marion, North Carolina: Art Owens showed his pacemaker at “Show ‘n Tell”.

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2002 Fall GMCMI Convention, Nashville, Tennessee: the McLaughlins hosted “Show ‘n Tell” where anyone sharing a craft or story received a roll of Canadian toilet paper.

2017 Fall GMCMI Convention, Elkhart, Indiana: Larry tells what happens with different types of toilet paper once it leaves the toilet.

l l A g n i Call GMC Motorhomes and their Owners!

Back in 1973 Popular TV Shows M*A*S*H | The Waltons Sanford and Son All in the Family Hawaii Five-O

Popular Songs Tie a Yellow Ribbon Round the Ole Oak Tree Tony Orlando and Dawn

Bad, Bad Leroy Brown Jim Croce

Let’s Get it On Marvin Gaye

President of the United States Richard Nixon

Movies The Sting | The Exorcist American Graffiti The Way We Were

What money can buy...

New House: $35,500 Ford Glaxie 500: $3,883 Monthly Rent: $175 Gallon of Gas: $.40 GMC Motorhome: $14,569 (26’)

WOW, IN 2023 the

1973 GMCs will be 50-Years-Old! GMCMI would like to have all 1973 owners participate in an opportunity of a lifetime.

Lets tell the story of the 1973 GMC Motorhomes and their owners in a coffee table style commemorative publication along being featured in the 2023 GMC Motorhome Calendar and in the GMC Vintage RVing magazine throughout 2023.

What an opportunity, GMCers rarely need an excuse to talk about their coaches, but now you are being encouraged to let loose and brag it up!

We are asking for photos of the inside, the outside, (just the coach), and then with their people and pet(s) (if you have).

Submit high resolution photos along with the following information: • Year • Model (if custom, previous) • Length • TZE Number • Do you have a name for your GMC? What is it and why.

• Current Owner(s) Name, Address, Phone Number • Name of Pet(s): breed, etc.

• Narrative of anything special, etc.

(250 words max) • Previous Owner(s) - if you know • Narrative of anything special, etc. on previously owner(s) (250 words max)

SPRING 2022

Be sure to submit by

November 15, 2021 Email to: kimweeksgmc@gmail.com If you own more than one 1973 GMC, please submit them all.

1973 GMC Motorhome Info 2,059 Produced 1,666 In the GMCMH Registry 103 Current GMCMI members who own a 1973 GMC

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GMCMI Spring Convention | April 22-28, 2022 Patterson Area Civic Center | Patterson, Louisiana

The Cancellation & the Future

BY KIM WEEKS | GMCMI CONVENTION MANAGER

When I think about what is happening around us, I quickly settle into one concept: change. A remember a famous quotation by Bob Dylan, “There is nothing so stable as change”, this may be hard to accept, but I ask myself “what am I going to do about that fact?” Change may have its downsides but it will push us into becoming more creative.

In retrospect, GMCMI was fortunate to have our Fall 2021 “Welcome Back” Convention in Chippewa Falls, Wisconsin occurring after the Delta-surge and before Omicron. Our theme “Welcome Back” was a big success and all can agree the theme was carried off. Thankfully, we did not have evidence of any spread of COVID-19 associated with the Convention.

GMCMI was not as fortunate with the Spring 2022 “Cajun Crazy” Convention in Patterson, Louisiana. We originally contracted on holding the 2021 Spring Convention in Patterson but due to the pandemic, it was canceled and rescheduled for 2022.

Cancellation One of the hardest task with being your Convention Manager was to consider the cancellation. Your GMCMI leadership understood that the cancellation may cause inconvenience and disappointment for attendees, presenters, and vendors, but in consideration of the health and safety of all attending, the decision was made.

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Thank You As we learn how to navigate these uncharted challenges, we appreciate your patience and understanding and wish to take a moment to say “Thank You”. You are what fuels GMCMI and ignites our passion for creating incredible experiences such as the GMCMI Conventions.

Thank you to the Patterson pre-setup team of Fred & Sharon Hudspeth, Richard & Jaye Hodges, Randy & Margie VanWinkle, Lori Ferrara, Don Fenwick, and Bob Hughson. Due to my testing COVID positive on arrival, several of the team members were tested and as a precaution placed on COVID treatment. Thankfully, because of the treatment administered and isolation measures implemented, there were only three team members infected. With unusual circumstances our veteran team members jumped into action and assisted with tasks that I could only view from the other side of a glass door, screen share, facetime, or via phone calls.

It was an unsettling time for all but the team stepped up and completed the tasks at hand.

Future Conventions & Events Reflecting on the importance of the GMCMI Conventions in keeping the technical and social fabric of our Community strong, and as we evolve, with youth filling our Community, the importance of these hands-on experiences

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are critical to the future of the GMC Motorhome, GMCMI, and maintaining the GMC Community.

In the last two years, the GMC Community communicated on several electronic platforms where relationships were developed with individuals that we have never shaken hands with before.

Most of us wish we could return to the pre-COVID norms of December 2019, but that is not likely to happen.

Some Parting Thoughts Future Conventions will be planned with COVID over our shoulder, impacting what is scheduled and how it is scheduled.

This is what any group must do when planning large gatherings. But this does not mean that we have to avoid or give up our gatherings. It does mean that we must be prepared and respect guidelines and common sense to provide safe events and fun times. So, while it is important to reflect on what happened, it is also important to move ahead and use courage, commitment, and determination as our guide.

In Closing I wish to extend my hope for everyone’s health, safety, and enjoyment in 2022.

As previously stated, it is time for us to “become more creative” so let’s come together and celebrate GMCMI’s 40th Anniversary this fall in Lebanon, Tennessee. See you there!

Convention Vendors

Pre-GMCMI Spring Convention Rally

BY MARILYN PHIPPS | SPANISH FORT, ALABAMA | PREVIOUS OWNER 1975 CUSTOM TRANSMODE

A big thank you to our vendors who had planned on attending and supporting the 2022 Spring Convention. When looking for that part or information, check out this list and give them a call.

Once upon a time, a dark and evil virus spread around the world. It hit the big cities, it hit the small towns, and even found its way to the civic center in Patterson, Louisiana. This diabolical disease forced the cancellation of the Spring Convention.

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

We ship to all states and Canada.

Saddened by the cancellation, a few Dixielanders, still determined to meet, gathered at Buccaneer State Park near Waveland, Mississippi, for the scheduled no-host rally. New friends were made and old friends reconnected. Bill and Midge Kitteridge, new Dixielanders, joined the usual suspects – the Phipps (the unofficial no-host, hosts); the Richardsons; the Nicholls; the Chimentos; and the club’s fearless leader, Madam President and her first spouse, the Michelhaugh. Another GMC was spotted in the campground, and Tom invited them to join the assembled group adding the New Jerseyites Gene and Marlies Bunt to the group.

Applied GMC Jim & Grace Kanomata 510-440-1101 | 800-752-7502 Specializing in GMC Service, Repairs, and Parts Classic Coaches & Accessories, LLC J.R. Slaten 502-836-2097 | Jrslaten@aol.com Air rotary leveling valves, stainless steel/ teflon engine oil cooler hoses and tubes, monogramed-lighted entry assist handles, GMC Motorhome Hot Wheels

Since it was a gathering of GMCers, food was involved. Yummy goodies magically appeared for a potluck or two. Local eateries such as MacBe Seafood, a hole-in-the-wall establishment, filled everyone’s plate and stomachs with great seafood… numerous to-go containers returned to the coaches.

Another dining adventure brought the group to Avocados Mexican Cantina. Adult recreational beverages and a vast selection of food graced the tables. The evenings ended with campfire ring gatherings. Thank you Bill for providing fire and warmth. We sat around the fire and swapped stories…the most interesting ones were stories about how we found our first GMC. The morning started with “BYOC”, bring your own coffee, and breakfast foods magically appeared from coaches. We talked about places we planned to visit: • the Waveland Ground Zero Hurricane museum gave the visitors a feel for the destruction of Hurricane Katrina.

• the Bay St. Louis Historic L&N Railroad Museum.

Yes, one would expect to find train-related displays. However, entry into the museum felt like walking into a Mardi Gras (MG) ball. Upstairs held another unexpected treat – an art museum

Dave Lenzi 810-653-3902 Brakes, boosters, manifold gaskets, hub, knuckles, steering parts, control arms Cooperative Motor Works Jason Stryker 407-857-5777| www.gmccoop.com GMC Motorhome Renovation

filled with the folk art of Alice Mosley.

Sadly, the good time came to an end, filled with promises to get together again and wishes for safe travel.

Presenters & Organizers

Jim Bounds 407-857-5777| www.gmccoop.com Fire Fight Products John Richardson 850-830-6100 | jrichsr@aol.com CAMShield - engine protection and lots of used GMC parts and accessories Ken Frey 215-219-8685 Parts or service information.

Mike Sadlon 734-777-1878 misadlon2932@yahoo.com Fiberglass

GMCMI respects the time and dedication of our members who volunteer to be presenters and organizers. They are one more reason that makes the Convention a rewarding experience for attendees. Thank you!

SPRING 2022

GMC MOTORHOMES INTERNATIONAL

13

A GMCMI Member Profile

BY JANET FREY | GMC VINTAGE RVING MAGAZINE EDITOR

ANDREW CUDLIPP came to our attention when we became aware of his YouTube postings involving maintenance and repair of the GMC Motorhome. It seemed like a good idea to get in touch with this new GMCMI member and learn more about him.

I was curious as to how he became involved with the GMC Motorhome since he is only 27 years old. He explained that in his teenage years, he saw an internet story about vintage motorhomes, and it included the GMC Motorhome. He did not think he would ever need a motorhome, but he was fascinated by them at the time. Fast forward ten years and his mother wanted to get an RV and something unique. He swayed her in the direction of a GMC and so the search began. Together they scoured the internet looking for her perfect coach, learning as much as they could along the way (since neither had ever seen a GMC in the flesh). Finally, they found a 1978 Royale in Wisconsin, bought it within a week, and together drove it on a perilous journey to her brother’s house in Oklahoma. It was right around Thanksgiving and the weather was a bit crazy but the coach ran strong. There it sat for a while since they lived near Seattle and covid had restricted many activities. But in the meantime, Andrew discovered that mom would not let him borrow the GMC. He needed to get his own.

Andrew has a prosthetic leg and enjoys riding scooters, since motorcycles are not really an option. As a kid, he says he would “ride all over town, I knew all the back-alleys and side streets”. One day after work, and still during covid, he spotted a familiar shape Andrew’s scooter through a garage door in his downtown area. Inside were two GMC Motorhomes apparently stored for many years (he found out later that it was nearly 20 years!). For a while he would make a point to stop by on every ride, hoping to catch someone there or get a contact. That lead to nothing, and he wondered how he would be able to contact someone. His Mom gave him the idea to look up taxpayer information for the address on the city website, an idea that worked brilliantly! Andrew got an address, mailed a letter on Wednesday, got a call on Saturday, and made the deal on Sunday. The family was very nice and negotiated a deal for Andrew to take both coaches, a pair of 1976 and 1977 Eleganza II’s. Fortunate that he was able to purchase them when he did because the gentleman passed away some months later. As part of the deal, Andrew was able to use the historical building to fix up the motorhomes, a place which he later found out was originally a WWII-era Buick dealership. Over the years it changed hands many times, being a Ford, Lincoln, and Mercury dealer as well as the set for Andrew’s fantastic YouTube videos (the hardwood floor is a real spectacle!)

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GMC VINTAGE RVING MAGAZINE | WWW.GMCMI.COM

1977 Eleganza II

With his background as a self-taught mechanic, he was able to film the YouTube videos and complete the work. NOTE: Andrew, as a teenager, had his heart set on getting an old-school BMW and fixing it himself. He now manages a fleet for a landscaping company, working on everything from excavators to trucks and mowers. Anyway, when Andrew was deciding what to do with two GMC Motorhomes, he concluded that he would keep the 1977 for himself, and eventually sold the other one to his best friend Mike, a fellow scooter buddy. Mike needed a place to live and now loves the GMC lifestyle.

Andrew enjoys working on the GMC, and its straightforward mechanics. He says he prefers old things, and that as long as you are not a gorilla, you can deal with the repairs and keep it on the road. Since he has only had the GMC out of the garage a short time, and is also a new dad, he has only put 500 miles on it so far.

Andrew happily posts updates on the various Facebook pages and groups, and that is how another interesting part of Andrew’s story came about.

When he posted the video of Winifred Mike’s ’76 Eleganza leaving the garage for the first time in 20 years, one GMC group member gave an amazing response! The front spoiler turned out to be a dead giveaway that the coach might be his father’s GMC that he purchased new back in New Jersey! They got in touch and using service stickers from behind the vacuum cabinet, Michelle, Wini, and Andrew they identified it and got a complete family history and photographs from back in the day! It is quite an amazing story!

Hopefully, we will see Andrew, his girlfriend Michelle Troxler, and baby Winifred (Wini) at a future Convention.

Technical Corner

MAINTENANCE, RENOVATIONS, AND MORE

GMC Motorhome Maintenance Training Videos Andrew Cudlipp | 1977 Eleganza II | Bremerton, Washington

“I watched several of his videos. He does an excellent job. His camera work is very smooth without jerky spots. He is articulate and easy to understand.”

– viewer comment

We would like to introduce you to one of our newest GMCMI members Andrew Cudlipp and his series of GMC Motorhome maintenance training videos.

Andrew has an interesting background and story to share (see profile left).

We asked Andrew if we could add the video titles and links to the extensive list of presentations and papers page on the gmcmi.com website and he agreed.

“I found these videos to be most interesting as I have first-hand experience with the work described in several of them. I could have saved some time and labor if his videos had been around when I did the work.”

Here is a list of the videos: • GMCMH Shock Absorber Replacement • GMCMH New Aluminum Radiator • 23 & 26ft GMCMH Original Airbags Unboxing • How to Replace GMCMH Air Bags at Home!

• Easy GMCMH Project: Making New Battery Connections • How to Drop the Gas Tanks On A GMCMH • GMCMH Gas Tank Install Tips & Tricks • Repairing the Steel Gas Tanks on a GMCMH – silver brazing old school style!

• GMC Motorhome Rear Wheel Bearings – Repack or Replace • How to Replace the Rear Brake Lines • How to do the Drum Brakes • GMCMH New Aluminum Radiator Unboxing • How to Repaint the Wheels on Your GMCMH

– viewer comment

Check out Andrew’s videos at https://www.youtube.com/c/AndrewsGMC/videos.

List of Technical Presentations, Papers and Videos at https://www.gmcmi.com/technical-presentations-papers.

Do you know of other GMC Motorhome Maintenance Videos?

Help us continue to build the extensive list of videos, technical presentations, and papers at gmcmi.com website, please forward information to kimweeksgmc@gmail.com. Thank you!

SPRING 2022

GMC MOTORHOMES INTERNATIONAL

15

Technical Corner

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AIR SPRI

MAINTENANCE, PARTS, TIPS, INNOVATIONS AND MORE

Maintenance for New Owners

Ty Hardiman | 1977 Kingsley | Norman, Oklahoma

GMC Motorhome 101 is a recurring column written for owners who may be new to mechanic work but have an interest in learning how to perform their own repairs. We cover common GMC maintenance projects that can be accomplished with basic tools. Our goal is to perform this work ourselves while aiming to achieve the quality found in professional mechanic shops. Over time we will gain confidence, save money, and increase the reliability of our coach. The parts needed to perform the work in this column can be purchased from GMC vendors that support our community by their membership and participation in GMCMI. Many parts will also be available at auto parts stores.

The Rochester Quadrajet Fuel Filter The carburetor that provides fuel to our GMCs was manufactured by the Rochester division of General Motors.

GM called the carburetor design “Quadrajet”. The “Rochester Quadrajet” was used in all of our GMC Motorhomes, although some owners may have since changed to another brand of carburetor or to fuel injection. The Rochester Quadrajet has a fuel filter located inside a metal housing on the front of the carburetor.

This fuel filter keeps rust and debris from our fuel tanks from entering the delicate carburetor assembly.

The best time to replace the fuel filter is at home, on a cool engine, as part of an annual maintenance. Best practice would be to carry at least two spare filters in case of an on-the-road clogged filter.

Symptoms of a clogged filter are an engine that will idle fine and drive slowly, but runs out of power at higher speeds or when accelerating.

Removing the Fuel Filter Start by removing the air filter and air filter housing (see Winter 2022 GMC Vintage RVing magazine for more information). Now we can see the carburetor fuel filter housing protruding from the front of the carburetor. The engine fuel pump delivers fuel into this

Maintenance Manuals AVAILABLE AT...

...www.thegmcmhstore.com

This 8g flashdrive consists of a collection of GMC documentation and tools of over 1,200 items.

Here is a sampling: Operators, Maintenance, and Onan Manuals, Wiring Diagrams and Structural Drawings, Factory Service, Recall Bulletins, GMC Vintage RVing Magazines, GMCMI Newsletters, Newsletter Article Index, GMC Parts and Service Suppliers Listings plus so much more! $20 includes U.S. Shipping

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GMC VINTAGE RVING MAGAZINE | WWW.GMCMI.COM

housing where it is filtered and then passed into the fuel bowl inside the carburetor. To replace this fuel filter we will only need a couple of tools and a little patience.

Quadrajet fuel filter housing

One nice tool for GMC engine work is a piece of lumber that stretches across the engine compartment from left to right.

Some call this a “belly board” because that is where your belly rests while working over the engine. It is a handy device that gives a little more comfort than you might have otherwise. Also, disposable work gloves will keep hands clean of gasoline.

If you have installed a battery disconnect switch (see Fall 2021 issue of GMC Vintage RVing magazine for more information), this is a good time to use it to disconnect the battery and eliminate the chance of a spark

...www.gmcmi.com

The most extensive collection of GMC Motorhome information including: downloadable pdfs of the GMC Motorhome Operators, Maintenance and Onan Manuals, Service Bulletins, and so much more!

And it is FREE!

www.gmcmi.com/gmcmh-manuals

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

igniting any gasoline. Also, remove the keys from the ignition and stow them in a safe place to ensure that no one attempts to start the engine while the fuel line is disconnected – this would spray gasoline in the engine bay.

We will need two wrenches. The first wrench is used to hold the carburetor fuel filter housing in place while the second wrench is used to loosen the fuel supply line. The first wrench can be an adjustable wrench as long as it can open up to one inch wide to fit the housing.

The second wrench, for the fuel supply line, is a 5/8” “line wrench” or “flare nut wrench”. It is a slightly different shape than a normal wrench and it can be acquired at the auto parts or tool supply store. This will grip the fuel line better than standard wrenches, which tend to slip off under pressure and lead to busted knuckles.

Once the fuel supply line is out, use the adjustable wrench to remove the fuel filter housing from the carburetor body by turning the wrench in the direction of the passenger side. Once loose, you can unscrew the housing by hand. Inside the housing are three items: the fuel filter, the spring, and the gasket ring.

The new fuel filter is a WIX 33048 or 33052, either will work (do not forget to purchase a couple of spares at the same time). Make sure the gasket ring is on the end of the housing threads – no pipe sealant or tape is needed. If the spring or the gasket ring is missing, they can be ordered from a GMCMH vendor (see page 21) or an online Quadrajet source.

wrench that measures about 6 inches long is a good tool as its short length helps prevent overtightening.

After tightening the filter housing, it is time to reinstall the fuel supply line. The special “line wrench” will be needed again.

The flared fitting is self-sealing and does not require pipe sealant or tape, and none should be used. Hand-start the fitting into the front of the filter housing.

This fitting can be difficult to get started because the engine thermostat is in the way. If you can not get it started you may want to remove the four carburetor hold-down bolts with a 1/2” wrench or socket. This will allow the carburetor to be lifted enough to start the fuel supply line threads. Once the threads are started by hand, you can reinstall the carburetor hold-down bolts.

As you tighten the fuel supply line with the line wrench, use the adjustable wrench to keep the filter housing from moving.

This time, we’ll have the adjustable wrench in our right hand and the line wrench in the left.

5/8” Line wrench/flare nut wrench, 1” wide adjustable wrench

Hold the adjustable wrench with your left hand to keep the housing from moving, and use your right hand to loosen the flare nut on the fuel supply line. Rotate the flare nut wrench toward the passenger side of the vehicle to loosen the threads. Expect a small amount of gasoline to spill as the line is unscrewed.

Hold the filter housing with left wrench, loosen flare nut with right wrench

Filter housing, gasket ring, fuel filter, spring, and carburetor body

When reassembling the fuel filter housing, note that the closed, metal end of the fuel filter points toward the rear of the coach, and the open, rubber end goes toward the front of the coach. Hand thread the housing onto the carburetor body and tighten with the adjustable wrench. Do not overtighten this fitting as the soft threads of the carburetor body can easily be damaged. An adjustable

SPRING 2022

Reassembly, line wrench on the left, adjustable wrench on the right

Reconnect the battery, start the engine, and inspect for fuel line leaks. If everything looks good, we can reinstall the air filter housing, remove the belly board, and set the hatch back in place. Stow the two wrenches and spare filters in the GMC for the next filter swap.

Now it is time to update your log book and pat yourself on the back for doing your own work, by the book, with the right tools.

GMC MOTORHOMES INTERNATIONAL

17

Technical Corner

MAINTENANCE, RENOVATIONS, AND MORE

GMC Motorhome Stock Electrical Panel Kenneth Smith | 1977 Birchaven | Columbia, Pennsylvania

Recently, I had a GMC Motorhome come in with the owner telling me that he had some electrical problems with the 110 volt power in his coach.

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removed and replaced with a lug located at the red arrow. All the neutral (white) wires were then bundled together and inserted into one side of the lug, which is only rated for one wire. The other side of the lug was then connected to the incoming neutral wire from the power cord.

Photos #4 and #5 show the damaged combination “Main and two circuit breaker. There has been some serious overheating in this panel.

As a retired electrician, what I found was very disturbing. Someone had made some poor modifications to the electrical panel and had ignored the obvious warning signs that there were serious problems with the system.

It is very fortunate that another coach was not lost to a fire or someone hurt.

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It is very rare that a neutral bar goes bad and is usually an indication of a loose connection. The correct way to repair this is to replace the neutral bar which would not cost more than what was done here.

Photo #1 shows the stock electrical panel as it came from the GMC factory. The blue arrow on the left bottom points to the neutral bar. The green arrow, middle right, is pointing to the ground bar. The yellow arrow points the two-piece wire nut that was commonly used at the time our coaches were built. This is the correct way to connect multiple circuits to one breaker as the breaker terminals are only rated for one connected wire. Note how bright all the terminals are.

Photo #2 is of the panel in the coach after I had removed the interior. The yellow arrow indicates where the neutral bar has been

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The burnt debris on the bottom of the panel was also a warning sign that there was a problem Also, note the improperly stripped gray UF wire going across the center of the panel.

Photo #3 is of the burnt busbar after the breakers have been removed.

Here we have one side of the contact “stabs” completely burnt off (red arrow) and discoloration of the terminal on the right. Two warning signs here. A loose connection or overload caused the heat discoloration and there has been moisture in the panel at some time.

GMC VINTAGE RVING MAGAZINE | WWW.GMCMI.COM

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

What can I do to avoid these kind of problems?

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1. When connecting to shore power, check both the cord end and the receptacle that you are connecting to making sure that neither are damaged in any way. It needs to be a tight connection. It is best to not connect under load if you can avoid it. If using an adaptor to plug your coach into a lower amperage receptacle, be aware that you only have the rating of that source and with the added voltage drop everything is going to run warmer.

Photo #6 is more of the same damage to the single pole breaker.

In this case, I had an extra panel interior in excellent shape that I could just replace the interior in the panel.

If I would not have had that, I would have installed a Square D Homeline main lug panel as a replacement per NEC regulations.

How do I know if I have a problem with the electrical panel?

Some of the signs would be flashing or dim lights, smelling something warm/ hot in the area of the panel, loss of power in all or some areas of the coach, or even breakers tripping often. If you find any of these problems, they need to be addressed immediately. If you are not experienced with working with the electrical panels, call a professional. This is not the place for “hack” jobs.

2. A yearly inspection of the panel is always a good idea. With the power cord locked into the storage locker, so no one can plug it in, remove the panel cover and make a visual inspection of the interior.

The breakers should all fit tightly onto the stabs and there should be no discoloration of the terminals.

I also take a screwdriver and make sure each terminal is tight, then pull on the individual wire. (Snug, then tug). The screws can easily be overtightened, so need to be careful there.

3. Clean the air filters on the AC units regularly. They draw more amperage when blocked and create more heat

Thank you to the GMCMI membership for the many updates received for the GMCMH Parts Interchange.

We very much appreciate the hard work of Mark Elmer who has been updating the NAPA part numbers for several years and is a valuable part of our task to keep our information up-to-date.

Because of these effort we are able to assist the GMC Community in keeping these vintage vehicles on the road.

Kim Weeks, VP Administration

Please make your coaches as safe as possible and we may meet up sometime down the road.

Your GMC Motorhome Information Source...www.gmcmi.com We welcome all historical and technical information. If there is something that you would like to share, please contact kimweeksgmc@gmail.com. Thank you!

SPRING 2022

GMC MOTORHOMES INTERNATIONAL

19

Technical Corner

MAINTENANCE, RENOVATIONS, AND MORE

Final Drive Considerations Matt Colie | 1973 Glacier | Belleville, Michigan

The 3.07 that was the original final drive in our coaches was wrong when they were built, but all the testing was done before the first Arab Oil Embargo. Speed limits were at least 70 everywhere and fuel cost was not a major issue. Then came 55 and all that went out the window. Even at 70, the 3.07 is a little low and GM knew that, but by the time they came up with the 3.42 number, nobody was interested.

and have to downshift for every little hill.

This works well for us too.

peak, but for engines like ours, that will not be any big issue.

First thing you have to wrap your thoughts around is that a typical passenger car has a road load of about 10~12 hp. I do not have numbers but from decades of vehicle testing I would have to guess that the coach road load for 60~70 mph to be up there in the 30 hp region.

Now, we go back to the input side. I have to shift gears here because in engine labs we do not have vacuum, we have manifold pressure.

The two are inverse. I will try not to confuse these.

Many people have been stuck for years with the long-standing preconceived misconception that running an engine slower is always better. Better in terms of both fuel consumption and engine life.

Well, both are wrong and for pretty much the same reasons.

If you start with a ~3K# passenger car, having a ~100 hp engine, you have a very different situation than we do with a 10~12K# coach having a 250+hp engine.

Though that may sound equitable, you forgot the 30 hp road load we still have to manage. If that passcar engine is running below its torque peak, who cares? Just bump the throttle a little. If my coach is dragging on the hill and I bump the throttle, two things are happening. First is that the BMEP is going to climb putting more load on all the wearing parts. Then, the carburetor will probably move into the power enrichment part of its operation.

There goes the fuel economy!

Even as little as 50-years-ago in my engineengineering classes, we were taught two wrong things. One was that Piston-Miles traveled was everything that mattered and a conventional carburetor was amass-flow device and so not subject to density issues.

Well, both of those were wrong.

At that time, piston miles traveled was the primary engine wear determiner. Consumer Ok, so what is the loss for spinning the Reports in their car data at ibe time crank faster? Pumping losses. An internal published the N/V (that amounts to turns combustion engine is just an air pump that per mile). Well, I hope to convince burns fuel. As it happens, the torque you that this is just wrong. A peak is closely associated with the great deal of the engine wear peak volumetric efficiency (VE).

Almost a quote is from internal friction.

When you spin it faster or from Soichiro Honda – Most of that friction is slower, (with a fixed camshaft) I cannot find this directly related to the that efficiency goes down. For anywhere, but I love it. brake mean effective an engine that is not set up “CCs cost money and pressure (BMEP). That for all-out maximum power are heavy – makes the torque needed output, that curve can be RPMs are FREE! to go down the road. relatively flat. That means that Higher BMEP means more there is little penalty for spinning wear on the rings and bearings. faster and less wear on all the parts People that have been around engines that you have to replace at some time. can tell you that lugging an engine is just Real fuel consumption is all in #/Hpbad for everything. Modern trucks are all Hr. Notice that there is no element of geared with “Torque Backup”. They are crankshaft speed there. This will be on the geared so at most road conditions they engine map, and it will not be a straight are operating over the torque peak. This line. It will have a little hump at the VE provides the reserve so they don’t lose speed

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GMC VINTAGE RVING MAGAZINE | WWW.GMCMI.COM

Whatever your fuel delivery control is, you want to deliver the minimum amount of fuel to create the horsepower you want. While the vacuum is high, there is not much charge in the cylinder, so not much heat is created even though the leaner mixtures burn hotter.

Economy-wise, this is all in your favor. But, when the vacuum gets lower and you have more charge in the cylinder that heat can be damaging, so the fuel system richens the mixture to keep the temperature in check.

As backward as this may seem to some, you would want to make road load horsepower with the vacuum as high as possible. That means that the engine is doing less work and making less friction all the way through the driveline. That is a Win-Win for you.

Let’s take a minute to look at carburetors.

This piece of nineteenth-century technology survives even to this day because it is relatively simple and inexpensive to manufacture. It has been displaced because it is not known for its overall accuracy. Everything it does is a compromise. So, if you change air density, the calibration will probably not be ideal. Why does this matter in this discussion? Because the less manifold vacuum that the carburetor is seeing is also the most varying mass flow.

That varying mass air flow means that the carburetor calibration will have a much harder time metering the fuel input. I would like to go into this more completely, but just to explain it adequately requires more time and mathematics than I have patience for right now. Suffice it to say that the steadier air flow of the higher vacuum will give better results.

If there is some part of this article where I lost you, please contact me and we can discuss further.

GMC Motorhome Supplier/Vendors List >> FULL SERVICE, PARTS & REPAIR FACILITIES

>> 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, and hard to find parts. We ship to all states and Canada. New updates available.

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, and hard to find parts. We ship to all states and 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. Low every day prices on thousands of RV parts...plus tips and a “free” tech line.

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 eExhaust parts, mufflers, trannies, and engine replacement. Low every day prices on thousands of RV parts...plus tips and a “free” tech line for assistance.

Cooperative Motor Works 407-857-5777 | 877-275-4462 coopmotorworks@yahoo.com | www.gmccoop.com 6101 Anno Avenue, Orlando, Florida 32809 Information, parts, and service for the GMC Motorhome. Repair and maintenance to full renovations available.

Cooperative Motor Works 407-857-5777 | 877-275-4462 coopmotorworks@yahoo.com | www.gmccoop.com 6101 Anno Avenue, Orlando, Florida 32809 Information, parts, and service for the GMC Motorhome. Repair and maintenance to full renovations available.

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!

Gateway Motorhome Company 636-931-8282 | 800-654-0374 | www.gmcmotorhomeparts.com Committed only to the GMC Motorhome since 1986. Large selection of GMC Motorhome parts. Shipped 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!

>> SERVICE & REPAIR FACILITIES Bob Stone 618-964-9124 | Carbondale, IL Service and repair.

Grandview Motorhome Tom Hampton | 937-644-4238 | 937-537-1612 cell grandviewh@gmail.com 13880 Weaver Road, Marysville, Ohio 43040 Miscellaneous GMC Motorhome parts. SS brake and tranny lines.

DJ’s Classic GMC Motorhome Service

DJ Eberhart| 503-706-6402 | djsgmcs@gmail.com | www.djsgmc.com 233 NW Olive St., Sheridan, OR 97378-1125 Cinnabar certified service and repair. New and used GMC parts.

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.

>> OTHER PART SUPPLIERS Alan Henderson | Two Items!

478-320-5974 | alan@mgcads.com | gmcwipersetc.com GMC Motorhome Electric Windshield Wiper Conversion Kit Mechanical and electrical parts to install your locally purchased electric motor. Replaces hydraulic motor with a reliable electric motor with intermittent sweep.

Large Format Electrical Diagrams Enlarged wiring diagrams for GMC Motorhomes - All years 12V Chassis, 12V &120V Living area – 18”, 24”, 36” wide

KEN FREY – formerly Frey Auto Repair

New, Used, and Rebuilt GMC Motorhome Parts NEW PHONE NUMBER: 215-219-8685

Gmcmotorhomemarketplace.com/GMC_Motorhome_Wiring_Diagrams.pdf

2230 Milford Ave., PO Box 4, Milford Square, PA 18935

Albert Branscombe 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.

Check website at www.kenLfreyautorepair.com for partial listing, please call to check availability, or for parts or service information.

PLEASE CALL BETWEEN 8 a.m. and Noon, eastern time.

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GMC Motorhome Supplier/Vendors List 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.

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.

Bob Burkitt 513-530-5021 | rburkitt@cinci.rr.com | www.bdub.net/bobburkitt/ 11382 Marlette Drive, Cincinnati, OH 45249-2210 Offer repairs, parts, and accessories for existing Birch doors.

Gary Bovee 530-200-6247 | gary.bovee@gmcidiotsguide.com www.gmcidiotsguide.com 12495 Muller Avenue, Red Bluff, CA 96080 Electronic Ignition Kit for 4kw & 6kw Onan Generators

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) CruzinGear Christo Darsch | info@cruzingear.co | www.cruzingear.co GMC Motorhome Wall-Mounted Bottle Openers. Get Your Shine On. 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 Motorhome Service DJ Eberhart| 503-706-6402 | djsgmcs@gmail.com | www.djsgmc.com 233 NW Olive St., Sheridan, OR 97378-1125 Cinnabar certified service and repair. 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.

GET YOUR SHINE ON. Heavyweight Polished Stainless Wall-Mounted Boole Openers

www.cruzingear.co info@cruzingear.co

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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.

High-End Motorsports 916-774-6686 | sales@high-end-motorsports.com | www.high-end-motorsports.com 8331 Sierra College Blvd, #210, Roseville, CA 95661 Made in the USA accessories, custom sunshades, plate frames, tags, receiver covers, and more.

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 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 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.

Keith Vasilakes | MicroLevel 763-732-3419 | my427v8@hotmail.com Intro, Install & Oper, Diagram at www.gmcmi.com/air-suspension/ 5131 Greenwood Dr, Mounds View, MN 55112-4834 MicroLevel: A Microprocessor controlled air suspension controller with RF Remote and Camp Ground Leveling.

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.

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.

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, & header.

1974 – 26’ GMC Motorhome photo(s) on www.gmcmi.com BC/WA | $16,500 US OBO | This coach is a pampered survivor. All original with 86K original miles on the coach and 42K miles on a new 455 engine. Looks great, drives great, feels great. Sleeps 6. Looking for a good home.

Stored 30 miles east of Bellingham, which is north of Seattle.

Jim | dci1988@hotmail.com | 800-401-2211

>> CAMPGROUNDS/RESORTS

1975 Custom Transmode – NEW! photo(s) on www.gmcmi.com CA | $40,000 obo | This one-of-a-kind custom rebuilt GMC is loaded with features!

This coach is never short on power including solar, battery backup, True Sinewave Inverter/charger with automatic transfer switch large enough to power the 110v AC, and much more.

Aaron | 530-701-5678

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1975 – 26’ GMC Airport Transport OR | $8,000 | photo(s) on www.gmcmi.com This was an airport transporter. It has no seats and is ready for someone with an imagination. The entry door, as you can see, is extra wide and will accommodate a wheel chair or, as we used it, for motorcycles. It has a 455 Toronado rebuilt engine and an automatic transmission. Body is in excellent condition.

Terry | 503-320-0226 1976 Palmbeach FL | $5,000 Owned GMC for over 20 years. Have altered it half way. Stored under canopy. Outside is cream color. Have not started for several years. Call for more information..

Steven Light | 850-980-0565

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Road Runner RV Park Ray Doonkeen | 405-677-2373 | www.roadrunnerrvparkokc.com 4740 S I-35 Service Rd. Oklahoma City, OK 73129 Our new facilities boast a 6,000 sq. ft. Event Center/Rec Hall with full kitchen, 132 full hook-up concrete sites with grass, paved roads, four storm shelters, and free Wi-Fi. Closest RV park to downtown Oklahoma City & medical center. We are easy on & off I-35. Open year-round.

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>> GMC MOTORHOME FOR SALE 1973 – 26’ GMC Motorhome photo(s) on www.gmcmi.com FL | $16,900 | Second owner and stored inside. It has a 455 cu engine, 75,000 miles, generator, sofa, and table turn into beds, plus an awning.

William MacKenzie | 352-873-7857 | bmack0121@gmail.com 1973 Birchaven – NEW! photo(s) on www.gmcmi.com MN | $44,000 | Completely renovated inside and out in the past three years. 455 olds engine and transmission rebuilt. Manuals and all spare parts including a new set of air bags will go with the coach. A must see!

Lonnie Brichacek | 218-821-1313 1973 – 23’ Custom Glacier – Price Lowered photo(s) on www.gmcmi.com FL | $75,000 $80,000 | “One of a Kind”, fully customized, everything upgraded/new and ready to roll! Have over $120,000 in her. All major mechanical work performed by Jim Bounds, Coop Motor Works.

John & Julie Eidson | 206-999-9023 | JulieMEidson@gmail.com 1973 – 26’ Custom GMC Motorhome photo(s) on www.gmcmi.com CA | $75,000 | A beautiful paint job along with many new items, custom solid wood cabinetry, must see photos and list of items.

Jerry Schneider | 310-962-7208

1976 Royale TX | $19,500 | photo(s) on www.gmcmi.com Previously used to attend weekend soccer tournaments. Stored in building and batter tenders. Rebuilt 403 engine/transmission and new diffeential transaxle in 2020. Passed TX inspection.

Kristopher Hochart | 210-421-2691 1977 Edgemonte – NEW! photo(s) on www.gmcmi.com CA | $28,000 obo | Bought in 2018 and made road worthy to travel the country but unfortuantely life changed. Many renovations and upgrades.

Model has the bigger bathroom with stand alone shower.

Terrence | terrenceshoots@gmail.com

GMCMI MEMBERSHIP HAS BENEFITS GMCMI members can place an ad in this quarterly magazine and on the gmcmi.com website free-of-charge!

GMC Motorhome classified ads can include up-to-nine photos on the website.

Email your ad to kimweeksgmc@gmail.com.

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Classified Ads 1977 Eleganza II – Price Lowered photo(s) on www.gmcmi.com CA | $17,500 $23,000/OBO | Recently serviced and certified by Applied GMC in Newark, California! All repair paperwork and GMC manuals.

Ronald Shoffeitt | bigbearmoon@aol.com 1977 GMC Motorhome CA | As is $18,000 in primer. Finished $30-55,000 photo(s) on www.gmcmi.com Here is your chance to build your own. This 77 is going into primer tomorrow. You can pick both the paint scheme/colors and interior upholstery. Mechanically it will be ready for the road.

Ty Chamberlain | 425-9711-9304 | tycham@vintagecoach.net

1978 Revcon Chamelot 31.5’ w/Toronado drivetrain! photo(s) on www.gmcmi.com NC | $19,500 | Zombie Themed – Many repairs/new items done by Barry Owen in the past two years, plus additional mechanicals.

Michael Owens at 336-225-1445 | Calls ONLY please.

>> PARTS/TOW VEHICLES/ETC. FOR SALE

1977 Eleganza II IL | $49,000 | photo(s) on www.gmcmi.com Complete renovation in 2010 and stored inside. Olds 455 engine replaced with a factory-rebuilt engine in 2013 for $12,649 and has 7,300 miles on it. Need to check list of updates and new items!

Roger Deichman | 217-971-4972 | problemsolver50@gmail.com

Olds 403 Engine, Complete photo on www.gmcmi.com MA | $3,150 | This engine powered a 1977 GMC motorhome for eight years and approx 8,800 miles. The engine needs a new camshaft, however, runs well and all cylinders make power. See ad for additional information.

Matthew Haggerty | 617-293-8033 message | mkhagg56@gmail.com

1978 Kingsley (restored) photo on www.gmcmi.com MI| $49,000 OBO | This super smooth-running coach has been used continuously for the past 18 years and is ready to roll. We have meticulously restored her over the years, in a constant effort to keep her looking and performing great. Located near Ann Arbor, Michigan.

Nick | 734-368-2671

3:21 Limited Slip Differential/Final Drive & Switch Pitch Transmission Out of a 1966 Elderado FL | $950 for Final Drive | $595 for Switch Pitch Transmission Final drive in good condition. PU in Orlando or at GMCMI Spring Convention. Check ads for more information.

Paul Doane | 904-397-3159 | pauldoane47@gmail.com

1978 Palm Beach photo on www.gmcmi.com IL | $40,000 | Restomod frame-off rebuilt 455 motor, transmission, 366 final drive, front suspension, four bagger, Hydroboost stainless steel lines and hoses, macerator, stainless mandrel bent exhaust into 1 - 3” out.

Bob Stone | 618-964-9124

455 CID Oldsmobile Engine CO | $750 Engine is from a 1973 GMC Motorhome: long block, was running when removed. Will deliver FREE up to 200 miles from Fort Collins, Colorado.

Jim Egan | 720-308-4586 call or text

Visit the GMC Motorhome Store

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>> Regional GMC Motorhome Activities... >> GMC 49ers Motorhome Club – March 2022 It was so wonderful to get together with friends we had not seen for several months at the Flag City RV Park in Lodi. Robert and April Cowan and Ruth Beckman hosted a rally full of good food, camaraderie, fun, and games.

Visit our new website: https://gmc49ers.org/

>> GMC Sunshine Statesmen – March Rally

>> GMC Pacific Cruisers - April 2022

Had a great 1960’s themed rally at the Ocala North RV Resort near Ocala, Florida. Lots of awesome grub was consumed and old songs were sung.

Wow! What a great time we had at the Vintage Trailer Fest at Bonelli Bluffs RV Resort & Campground. Happiness is time spent with friends making amazing memories!

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>> Regional GMC Motorhome Activities... >> GMC Sunshine Statesmen – April 2022

>> GMC Cascaders – April 2022

We celebrated our 45th Anniversary at the Zachary Taylor RV Resort in Okeechobee, Florida. Much laughter, food among great friends!

Canadian and US Cascaders united at the Harrison Hot Springs Easter Rally in Harrison, B.C. We had a great weekend! The group enjoyed walks, wonderful food, conversation, and even a field trip to Ken Barrell’s.

>> GMC Great Lakers – May 2022 16 Coaches + 30 Members and Guests = 46th Birthday Rally Success! We gathered in May at the Lighthouse County Park on Lake Huron in Port Hope, Michigan. Attendees received a custom-made tote bag commemorating the event.

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>> GMC Flatlanders & Six Wheelers – May 2022

>> Greater Midwest Classics – June Rally

It was good to visit with old friends and make new ones.

We had a total of 10 units join us at the Hannibal Cave and Campground. Eight came in their GMC Motorhome.

15 coaches gathered at the Voss Park in Butterfield, Minnesota. Touring the historic grounds in the homemade golf cart train, walks around the lake, campfires, dinner at Buckshots, lots of GMC stories and laughs made for a great weekend! We even got to spy on a wedding in the park!

GMC VINTAGE RVING MAGAZINE | WWW.GMCMI.COM

GMCMH Events Calendar

Looking for a regional rally in your area?

Go to www.gmcmi.com/gmc-calendar/ SUBMIT A RALLY DATE FOR GMC COMMUNITY CALENDAR Email date and information to kimweeksgmc@gmail.com

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1982-2022 The GMC Colonial Travelers, GMC Dixielanders, iversary GMC Eastern States, GMC Flatlanders, 0 th Ann GMC Great Lakers, GMC Six Wheelers, GMC Sunshine Statesmen, and GMC Tidewater Crabs who will be utilizing the GMCMI Fall Convention as a rally.

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PRE-RALLY BEFORE LEBANON Watch for more information about a “No-Host Rally” in Gadsden, Alabama. Planning on two or three nights. We can leave and arrive in Lebanon as a group as early arrivals. It is about 200 miles, all interstate highway.

LIMITED SPACES! REGISTRATIONS CLOSES SEPT. 1

Vintage RV Rally

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TOTAL SOLAR ECLIPSEiAPRIL 3-9iMINEOLA, TX hosted by GMC Motorhomes International

POST-RALLY AFTER LEBANON October 2-5, 2022 Camp Cedar in Mason, Ohio This is a great stop just five hours from Lebanon, Tennessee.

For more information: www.gmcgreatlakers.org/

WWW.GMCMI.COM

>> Area Chapter/Club Opportunity...

We invite you to to utilize one of our Convention facilities for your rally. Either come in a day or two early or use our Convention as your rally and hold a social and/or business meeting.

We take care of the registrations for you! We offer coffee, bottled water, paper products, etc. at no cost for your gathering.

Contact Kim for more information.

612-501-4600 | kimweeksgmc@gmail.com

MARK YOUR CALENDAR!

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GMC MOTORHOMES INTERNATIONAL

1214 N Jefferson Way, Ste 352 Indianola, IA 50125

Vintage RV Rally

SE2 24 TOTAL SOLAR ECLIPSE

APRIL 3-9, 2024

Be part of the “event of the year” hosted by GMCMI in Mineola, Texas located near the eclipse centerline and experience the total darkness of the eclipse together!

See page 7 for more information.

hosted by GMC Motorhomes International