Howards_2016_home_pg_shift.qxp_2005Howardscurrent vers .QXD4 copy 8/29/16 9:15 AM Page 60
CHEVROLET SMALL BLOCK
• 305/350 1987-1998 W/STEPPED NOSE (CARBURETED)
Hydraulic Roller Camshafts for OE Roller Applications Cam Part No.
180265-10
180265-10S 180265-12 180265-14 186115-10 186115-12 186115-14
186615-08 186615-10 186615-12 180635-10 181815-10 181815-12 180275-10 180275-12 181655-10 181655-12 183365-10 180335-10 180345-08 180345-10
180345-10S 180345-12 183155-10
Cam & Lifter Set Part No.
CL180265-10
CL180265-10S CL180265-12 CL180265-14 CL186115-14 CL186115-14 CL186115-14
CL186615-08 CL186615-10 CL186615-12 CL180635-10 CL181815-10 CL181815-12 CL180275-10 CL180275-12 CL181655-10 CL181655-12 CL183365-10
CL180335-10 CL180345-08 CL180345-10
CL180345-10S CL180345-12 CL183155-10
Duration Advertised IN EX
286
2400-5800
286
2400-5800
286
2400-6000
286
2400-6200
287
2400-6400
287
2400-6400
287
2400-6400
262
2400-6400
262
2400-6400
262
2400-6400
290
2400-6400
290
2400-6400
290
2400-6500
294
2600-6400
294
2600-6500
296
2800-6500
296
2800-6600
298
2600-6600
300
2600-6400
300
2800-6600
300
2800-6600
300
2800-6600
300
2800-6600
300
3000-6600
Duration @ .050” IN EX
294
233
241
294
233
241
Firing Order: 1•8•4•3•6•5•7•2
Valve Lift w/1.50 Rockers IN EX
.530
.545
.530
.545
Lobe Separation Intake Angle Centerline
Valve Lash IN EX
110
106
Hyd. Hyd.
112
108
Hyd. Hyd.
Rough idle, Hot Street & Bracket Racing. 10.0:1-up CR advised. 2800+ stall
Cam Notes
1
294 233 241 .530 .545 110 106 Hyd. Hyd. 1 Small Base Circle, Rough idle, Hot Street & Bracket Racing. 10.0:1-up CR advised. 2800+ stall
Lopey idle, Hot Street & Bracket Racing. 10.0:1-up CR advised.
294
233
241
.530
.545
114
110
Hyd. Hyd.
Good idle, great mid range performance. 10.0:1+ CR, 2600+ stall & 3.73 or lower gears.
291
235
239
.600
.580
110
106
Rough idle, Street/Strip, strong mid range. 10.0:1 CR, 2500+ stall.
291
235
239
.600
.580
112
108
Lopey idle, Street/Strip, strong mid range. 10.0:1 CR, 2500+ stall.
291
235
239
.600
.580
114
110
Fair idle, Street/Strip, strong mid range. 10.0:1 CR, 2500+ stall.
268
235
241
.475
.480
108
104
Rough idle, Street/Strip, strong mid range. 10.0:1 CR, 2500+ stall.
268
235
241
.475
.480
110
106
Lopey idle, Street/Strip, strong mid range. 10.0:1 CR, 2500+ stall.
268
235
241
.475
.480
112
108
Fair idle, Street/Strip, strong mid range. 10.0:1 CR, 2500+ stall.
290
237
237
.560
.560
110
106
Rough idle, Street/Strip, strong mid range. 10.0:1 CR, 2500+ stall.
298
237
245
.560
.560
110
106
Hyd. Hyd. Hyd. Hyd.
Hyd. Hyd.
Hyd. Hyd.
Hyd. Hyd. Hyd. Hyd. Hyd. Hyd. Hyd. Hyd.
Rough idle, Street/Strip applications. 10.0:1 CR, good exhaust, 3000+ stall.
298
237
245
.560
.560
112
108
Hyd. Hyd.
Lopey idle, Hot Street & Bracket Racing, great mid range. 10.0:1+ CR, 3000+ stall.
300
241
247
.545
.565
110
106
Rough idle, Hot Street & Bracket Racing. 10.5:1-up CR advised.
300
241
247
.545
.565
112
108
Rough idle, Bracket Race with excellent mid & upper end horsepower.
302
243
249
.600
.600
110
106
Rough idle, Hot Street/Strip, good mid-range torque.
302
243
249
.600
.600
112
108
Rough idle, Hot Street/Strip, great with aftermarket EFI systems.
298
245
245
.560
.560
110
106
Rough idle, Street/Strip, Needs 3000+ stall, headers & good intake.
304
247
251
.550
.540
110
Hot Street/Brackets. Requires aftermarket heads, 3500+ stall.
306
247
253
.565
.580
108
106
104
Hyd. Hyd. Hyd. Hyd. Hyd. Hyd. Hyd. Hyd. Hyd. Hyd.
Hyd. Hyd.
Hyd. Hyd.
Rough idle, needs good heads. Good upper mid-range. Needs 3500+ stall.
306
247
253
.565
.580
110
106
Hyd. Hyd.
Rough idle, needs good heads. Good upper mid-range. Needs 3500+ stall.
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
306 247 253 .565 .580 110 106 Hyd. Hyd. 1 Small Base Circle, Rough idle, needs good heads. Good upper mid-range. Needs 3500+ stall. 306
247
253
.565
.580
112
Lopey idle, broad mid to upper mid range power. 3500+ stall.
308
247
255
.600
.600
110
Hot Street/Brackets. Requires aftermarket heads, 3500+ stall.
108 106
Hyd. Hyd. Hyd. Hyd.
1 1
Cam Notes: master note list on page 260 1
Stock (O.E.) valve springs cannot be used. Some items are not legal for sale or use on any pollution controlled motor vehicle
60
Phone: 1300 350 351
Fax: 1300 350 454
Web: www.fabre.com.au
Email: info@fabre.com.au