Oldsmobile Camshafts available from the aftermarket:
Comp Cam: CAM PART # GRIND# RPM RANGE ADVERTISED DURATION DURATION @ .050 VALVE LIFT W/1.6 RATIO ROCKER LOBE SEPERATION ANGLE SUMMARY
HIGH ENERGY 42-227-4 252H 800-4800 IN 252 EX252 IN 206 EX 206 IN .433 EX .433 110 DEGREES IDEAL FOR FAMILY SEDANS,
GOOD LOW END TORQUE AND
ECONOMY,SMOOTH IDLE
42-228-4 260H 1200-5200 IN 260 EX 260 IN 212 EX 212 IN .447 EX .447 110 DEGREES EXCELLENT POWER FOR TOWING,
GOOD PERFORMANCE WITH HIGHWAY
GEARS,SMOOTH IDLE
42-229-4 268H 1500-5500 IN 268 EX 268 IN 218 EX 218 IN .456 EX .456 110 DEGREES PERFORMANCE CAMSHAFT FOR MILD
STREET MACHINES,BROAD POWER,
NOTICEABLE IDLE
DUAL ENERGY 42-207-4 255DEH 1000-5000 IN 255 EX 263 IN 203 EX 215 IN .433 EX .467 110 DEGREES GOOD TORQUE AND MILEAGE,GREAT
RV AND TOWING CAM
42-208-4 265DEH 1200-5500 IN 265 EX 273 IN 211 EX 223 IN .472 EX .486 110 DEGREES STRONG MID-RANGE,EVERYDAY
PERFORMANCE FOR STOCK EXHAUST
42-210-4 275DEH 1500-5800 IN 275 EX 282 IN 219 EX 233 IN .476 EX .508 110 DEGREES HIGH PERFORMANCE STREET,GREAT
POWER,WORKS WITH STOCK CONVERTOR
MAGNUM 42-308-4 270H 1800-5800 IN 270 EX 270 IN 224 EX 224 IN .501 EX .501 110 DEGREES GREAT PERFORMANCE WITH STOCK CONVERTOR,
NEEDS LOW GEAR IN SMALL ENGINES,LIKES
HEADERS,MILD ROUGH IDLE
42-231-4 280H 2000-6000 IN 280 EX 280 IN 230 EX 230 IN .490 EX .490 110 DEGREES GOOD FOR STREET MACHINE WITH MILD STALL,
USE HEADERS AND LOWER GEARS,ROUGH IDLE
42-236-4 292H 2500-6500 IN 292 EX 292 IN 244 EX 244 IN .518 EX .518 110 DEGREES STREET/STRIP, 3000+ STALL, WITH AFTERMARKET
MANIFOLDS,LOWER GEARS,INCREASED COMPRESSION
VERY ROUGH IDLE
42-237-4 305H 3000-6800 IN 305 EX 305 IN 253 EX 253 IN .540 EX .540 110 DEGREES PRO STREET/BRACKET RACE CAM,GOOD FOR LARGE
ENGINES WITH 3500 STALL AND LOW GEARS,RADICAL IDLE
XTREME ENERGY 42-220-4 XE250H 600-4800 IN 250 EX 260 IN 206 EX 212 IN .443 EX .448 110 DEGREES VERY STRONG TORQUE, EXCELLENT MILEAGE, SMOOTH IDLE
42-221-4 XE256H 1000-5200 IN 256 EX 268 IN 212 EX 218 IN .453 EX .456 110 DEGREES STRONG TORQUE THROUGH LOW END AND
MID RANGE, GOOD IDLE
42-222-4 XE262H 1200-5600 IN 262 EX 274 IN 218 EX 224 IN .475 EX .480 110 DEGREES EXCELLENT RESPONSE,GOOD MILEAGE,
STOCK CONVERTOR,MILD GEAR
42-223-4 XE268H 1600-5800 IN 268 EX 280 IN 224 EX 230 IN .485 EX .490 110 DEGREES GOOD FOR STREET MACHINES,
SLIGHTY ROUGH IDLE
42-224-4 XE274H 1800-6000 IN 274 EX 286 IN 230 EX 236 IN .520 EX .523 110 DEGREES HIGH PERFORMANCE STREET,VERY STRONG MID
RANGE,HEADERS AND MILD STALL
42-225-4 XE284H 2300-6500 IN 284 EX 296 IN 240 EX 246 IN .541 EX .544 110 DEGREES STREET/STRIP,NEEDS 9:1 COMPRESSION,2800+ STALL,
HEADERS,GEARS,ROUGH IDLE
42-226-4 XE294H 2800-6800 IN 294 EX 306 IN 250 EX 256 IN .554 EX .558 110 DEGREES PRO STREET/BRACKET,GOOD INTAKE
HEADERS,GEAR,3200 STALL
HYD.ROLLER 42-413-9{6} XR262HR 1000-5000 IN 262 EX 268 IN 210 EX 216 IN .505 EX .505 110 DEGREES DAILY DRIVER,STRONG TORQUE,SMOOTH IDLE
42-423-9{6} XR276HR 1800-5600 IN 276 EX 282 IN 224 EX 230 IN .505 EX .505 110 DEGREES GREAT FOR STREET MACHINES,NEEDS HEADERS
LOW GEARS AND 2200 STALL
42-433-9{6} XR290HR 2200-6000 IN 290 EX 296 IN 236 EX 242 IN .515 EX .533 110 DEGREES ROUGH IDLE,NEEDS 2800+ STALL,LOWER
GEARS AND 9.5:1 COMPRESSION
FOOT NOTE {6} REQUIRES BRONZE DISTRIBUTOR GEAR
DRAG RACE 42-238-5 312H-10 3500-6800 IN 312 EX 312 IN 260 EX 260 IN .565 EX .565 110 DEGREES GREAT FOR 350 WITH 4000 STALL,OR
400-455 WITH 3500 STALL
42-239-5 320H-10 3800-7200 IN 320 EX 320 IN 268 EX 268 IN .565 EX .565 110 DEGREES WORKS BEST IN 400 OR LARGER ENGINES
WITH 4000 STALL OR 4 SPEED
SOLID 42-655-5 285B-8 3500-6500 IN 285 EX 294 IN 250 EX 256 IN .568 EX .545 108 DEGREES GREAT TORQUE IN FULL BODY CAR
WITH 400 AND 3500 STALL
42-656-5 300B-6 4000-7000 IN 300 EX 314 IN 265 EX 276 IN .600 EX .594 106 DEGREES GOOD IN 400-455 WITH 4000 STALL
GOOD POWER RANGE
MARINE 42-229-4 268H 1500-5500 IN 268 EX 268 IN 218 EX 218 IN .456 EX .465 110 DEGREES BEST CAM FOR ECONOMY AND IMPROVED
POWER,SKIING AND PLEASURE BOATING
42-231-4 280H 2000-6000 IN 280 EX 280 IN 230 EX 230 IN .490 EX .490 110 DEGREES GREAT CAM FOR 455 JET BOAT WITH A OR B
IMPELLER, PERFORMANCE AND SKIING
42-236-4 292H 2500-6500 IN 292 EX 292 IN 244 EX 244 IN .518 EX .518 110 DEGREES PERFORMANCE CAM FOR B IMPELLER IN JET BOAT,RIVER OR BRACKET RACING
LUNATI:
BRACKET MASTER II
CAM PART # GRIND# RPM RANGE ADVERTISED DURATION DURATION @ .050 VALVE LIFT W/1.6 RATIO ROCKER LOBE SEPERATION ANGLE SUMMARY
00080 1800-4600 IN 280 EX 290 IN 214 EX 224 IN .472 EX .496 112 DEGREES GOOD IDLE GOOD DAILY PERFORMANCE
AND HIGH WAY TOWING
00084 1500-4800 IN 283 EX 283 IN 220 EX 220 IN .451 EX .451 110 DEGREES GOOD STREET PERFORMANCE CAM,WILL WORK
WITH STOCK CONVERTOR AND DUAL EXHAUST
00083 2500-5500 IN 290 EX 300 IN 224 EX 234 IN .496 EX .520 110 DEGREES FAIR IDLE,PERFORMANCE STREET USE.GOOD MID RANGE
HORSE POWER FOR BRACKET RACING
HIGH EFFICIENCY
06181 1200-4200 IN 270 EX 280 IN 204 EX 214 IN .448 EX .472 112 DEGREES SMOOTH IDLE, GOOD DAILY USAGE
FOR TOWING AND ECONOMY
06185 1200-4800 IN 260 EX 260 IN 210 EX 210 IN .470 EX .470 110 DEGREES SMOOTH IDLE EXCELLENT TOWING
AND HIGHWAY PERFORMANCE CAM
06186 1500-5200 IN 268 EX 268 IN 218 EX 218 IN .490 EX .490 110 DEGREES GOOD IDLE GOOD STREET MACHINE
OR MILD SKI BOAT CAM
FACTORY PERFORMANCE
11800 2800-6000 IN 310 EX 310 IN 232 EX 232 IN .480 EX .480 113 DEGREES LUNATI'S VERSION OF THE HIGH
PERFORMANCE W-31 CAMSHAFT
11801 3000-6500 IN 320 EX 320 IN 244 EX 244 IN .475 EX .475 110 DEGREES LUNATI'S VERSION OF THE HIGH
PERFORMANCE W-30 CAMSHAFT
STREET MASTER
07181 1600-6500 IN 275 EX 275 IN 225 EX 225 IN .508 EX .508 108 DEGREES GOOD IDLE.WORKS WITH STOCK CONVERTOR
AND HEADERS,NEEDS LOWER GEAR WITH 350
07182 2000-6000 IN 285 EX 285 IN 235 EX 235 IN .540 EX .540 108 DEGREES ROUGH IDLE.NEEDS HEADERS AND MILD CONVERTOR
GOOD PRO STREET CAMSHAFT
07183 2500-6500 IN 295 EX 295 IN 245 EX 245 IN .569 EX .569 108 DEGREES ROUGH IDLE.GREAT FOR STREET OR LAKE RACER
CAM NEEDS INCREASED COMPRESSION RATIO
STREET/STRIP
31801 SPD-285-300 2600-6500 IN 285 EX 300 IN 228 EX 235 IN .496 EX .496 110 DEGREES GOOD IDLE. STREET PERFORMANCE OR SKI BOAT,
GOOD LOW TO MIDRANGE POWER
HYD. ROLLER
51803 1500-5200 IN 270 EX 279 IN 209 EX 213 IN .443 EX .477 112 DEGREES HYDRAULIC ROLLER WITH GOOD IDLE,IMPROVED
LOW AND MIDRANGE POWER
51804 1500-5500 IN 279 EX 287 IN 213 EX 218 IN .477 EX .502 112 DEGREES HYDRAULIC ROLLER WITH GOOD IDLE,IMPROVED
LOW AND MIDRANGE POWER
51809 1700-5700 IN 287 EX 298 IN 218 EX 226 IN .502 EX .512 113 DEGREES EXCELLENT REPLACEMENT CAM FOR 307,
INCREASED POWER AND CHOPPIER IDLE
51810 2000-6200 IN 290 EX 300 IN 232 EX 242 IN .544 EX .560 110 DEGREES EXCELLENT MIDRANGE AND IMPROVED TOP END CAM,
FOR STREET RODS AND PRO STREET CARS LOOKING FOR LOPEY IDLE
MECH. ROLLER
51805 3000-6500 IN 304 EX 304 IN 244 EX 244 IN .563 EX .563 110 DEGREES EXCELLENT STREET ROLLER,GOOD MIDRANGE POWER
DRAG RACE
31803 SPD1-310 3000-6200 IN 310 EX 310 IN 241 EX 241 IN .494 EX .494 110 DEGREES FAIR IDLE WORKS WELL IN 350 BRACKET CAR
WITH 10"CONVERTOR AND INCREASED COMPRESSION
31805 SPD1-520 3200-6500 IN 310 EX 320 IN 242 EX 252 IN .520 EX .520 110 DEGREES ROUGH IDLE,BRACKET RACER WITH 455 AND 10"
CONVERTOR AND 4.88:1 GEAR
31806 SPD1-308 3000-6500 IN 308 EX 308 IN 244 EX 244 IN .540 EX .540 110 DEGREES LOPEY IDLE WORKS WELL IN WEEKEND CAR
OR SKI BOAT WITH JET DRIVE
31815 SPD1-315 3400-6800 IN 315 EX 325 IN 245 EX 255 IN .541 EX .564 108 DEGREES ROUGH IDLE,SUPER PRO OR SUPER GAS WITH 455 AND AUTO TRANS
USING 8" CONVERTOR,NEEDS INCREASED COMPRESSION
ROLLER
51808 RRD-268F-276F 4000-7200 IN 301 EX 309 IN 268 EX 276 IN .669 EX .669 106 DEGREES BRACKET CAM FOR 455 ENGINE
EXCELLENT MID AND TOP END POWER
51802 RRD-281-281 4500-7600 IN 318 EX 318 IN 281 EX 281 IN .688 EX .688 104 DEGREES SUPER STOCK OR BRACKET RACE 455 WITH AUTO TRANS
ULTRADYNE:
HYDRAULIC
CAM PART # GRIND# RPM RANGE ADVERTISED DURATION DURATION @ .050 VALVE LIFT W/1.6 RATIO ROCKER LOBE SEPERATION ANGLE SUMMARY
272/272 IDLE-5500 IN 272 EX 272 IN 217 EX 217 IN .485 EX .485 112 DEGREES POPULAR STREET CAM,IMPROVED POWER AND ECONOMY
276/286 1500-6000 IN 276 EX 286 IN 221 EX 230 IN .485 EX .485 112 DEGREES POPULAR JET BOAT CAM,STOCK EXHAUSTS. GOOD
FOR HIGH PERFORMANCE STREET CARS LOPEY IDLE
288/296 3000-6800 IN 288 EX 296 IN 231 EX 239 IN .517 EX .541 110 DEGREES MOST POPULAR JET BOAT CAM.HOT STREET CARS
3000 STALL CONVERTOR OR 4 SPEED. NO POWER BRAKES
296/304 3500-7000 IN 296 EX 304 IN 239 EX 247 IN .541 EX .565 110 DEGREES JET BOATS,B IMPELLER,HEADERS.BRACKET CARS W/4200 STALL
SOLID FLAT TAPPET
276/284 2500-6800 IN 276 EX 284 IN 243 EX 251 IN .551 EX .565 110 DEGREES POPULAR STREET CAM 2800 STALL CONVERTOR OR 4 SPEED
288/296 3000-7500 IN 288 EX 296 IN 255 EX 263 IN .576 EX .593 108 DEGREES BRACKET CARS WITH 3500 STALL CONVERTORS
296/304 4000-8000 IN 296 EX 304 IN 263 EX 271 IN .593 EX .593 108 DEGREES HEAVY BRACKET CAR,4 SPEED OR 455 W/4200 STALL CONVERTOR
304/312 4500-8500 IN 304 EX 312 IN 271 EX 279 IN .593 EX .593 110 DEGREES GOOD BRACKET CAM 455 WITH 5000 STALL CONVERTOR
MECH.ROLLER
278/290 2000-6500 IN 278 EX 290 IN 242 EX 254 IN .593 EX .593 112 DEGREES EXCELLENT STREET CAM 2500 STALL CONVERTOR
290/300 3000-7000 IN 290 EX 300 IN 254 EX 264 IN .593 EX .593 110 DEGREES HOT STREET CAM 3500 STALL CONVERTOR OR 4 SPEED
288/296 3000-7800 IN 288 EX 296 IN 255 EX 263 IN .668 EX .668 108 DEGREES EXCELLENT CAM FOR 400-455 BRACKET CARS WITH
3500-4200 CONVERTOR
304/310 4500-8000 IN 304 EX 310 IN 268 EX 274 IN .668 EX .668 108 DEGREES HEAVY 4 SPEED BRACKET CAR OR UNDER
3000 LBS 455 WITH 4200 CONVERTOR
306/314 4500-8000 IN 306 EX 314 IN 275 EX 283 IN .683 EX .683 108 DEGREES LIGHT BRACKET CAR 5000 STALL CONVERTOR
313/324 5000-8500 IN 313 EX 324 IN 280 EX 290 IN .683 EX .683 110 DEGREES GOOD BRACKET CAM HEAVY 4 SPEED CARS
315/326 5500-8500 IN 315 EX 326 IN 280 EX 288 IN .762 EX .762 110 DEGREES VERY LIGHT BRACKET CAR,455 ENGINE.5500
CONVERTOR.3000 LBS AND 4 SPEED
326/334 5500-8500 IN 326 EX 334 IN 288 EX 296 IN .762 EX .762 110 DEGREES VERY LIGHT DRAG CAR 4 SPEED OR LENCO
CROWER:
CAM PART # GRIND# RPM RANGE ADVERTISED DURATION DURATION @ .050 VALVE LIFT W/1.6 RATIO ROCKER LOBE SEPERATION ANGLE SUMMARY
BAJA BEAST
260-350 56915 280H 1500-4250 IN 280 EX 289 IN 204 EX 214 IN .450 EX .474 112 DEGREES LOW TO MIDRANGE TORQUE FOR DAILY DRIVABILITY
POWER BEAST
350-425 56903 289H 1750-4500 IN 289 EX 300 IN 214 EX 224 IN .474 EX .498 112 DEGREES DELIVERS IMPRESSIVE MIDRANGE AND TOP END POWER
HEALTHY SOUND
ULTRA BEAST
455 56919 304H 2000-4800 IN 304 EX 316 IN 234 EX 244 IN .520 EX .542 112 DEGREES UPPER MIDRANGE TO TOP END POWER EMPHASIS ON TOP END
MILEAGE COMPU-PRO
400-403 56258 250HDP IDLE-3500 IN 250 EX 258 IN 192 EX 196 IN .429 EX .445 112 DEGREES THESE CAMS ARE DESIGNED TO ENHANCE THROTTLE RESPONSE
AND LOW END TORQUE IN VANS,TRUCKS AND PASSENGER CARS
WHILE DELIVERING FUEL EFFICIENT MOTORING. HIGH VACUUM
AND SMOOTH IDLE ARE CHARACTERISTIC OF THESE PROFILES.
425 56260 260HDP IDLE-3700 IN 260 EX 266 IN 203 EX 211 IN .448 EX .450 112 DEGREES STOCK OR SMALL CFM CARBURETOR,SMALL DIAMETER TUBE HEADERS,
DUAL EXHAUST AND IGNITION REWORK ARE RECOMMENDED FOR MAXIMUM
POWER COMPU-PRO
260 56258 250HDP 1300-4000 IN 250 EX 258 IN 192 EX 196 IN .429 EX .445 112 DEGREES THESE CAMS PROVIDE EXCELLENT LOWEND AND MIDRANGE POWER AND
EXTENDED RPM RANGE FOR SPIRITED STREET AND OFFROAD DRIVING
350 58260 260HDP 1300-4200 IN 260 EX 266 IN 203 EX 211 IN .448 EX .450 112 DEGREES A PERFECT COMBINATION OF MILEAGE AND POWER.MODIFICATIONS
SHOULD INCLUDE SMALL DIAMETER TUBE HEADERS,LOW RESTRICTION
400-425 56261 270HDP 1300-4200 IN 270 EX 276 IN 210 EX 219 IN .451 EX .474 112 DEGREES DUAL EXHAUST,AFTERMARKET MANIFOLD,INCREASED CFM CARBURETOR
AND REWORKED OR PERFORMANCE IGNITION.INCREASE IN COMPRESSION
455 56262 276HDP 1500-4200 IN 276 EX 281 IN 215 EX 221 IN .488 EX .494 112 DEGREES RATIO TO 9.5:1 IS RECOMMENDED FOR MAXIMUM OUTPUT.WORKS WELL
WITH AUTOMATIC TRANSMISSION OR 4 SPEED
HIGH PERFORMANCE COMPU-PRO
260 56261 270HDP 1600-4800 IN 270 EX 276 IN 210 EX 219 IN .451 EX .474 112 DEGREES INTENDED FOR THE PERFORMANCE ORIENTED HOT STREET APPLICATION
THESE CAMS OFFER AN EXTENDED RPM RANGE WITH EMPHASIS ON UPPER
350 56262 276HDP 1600-4800 IN 276 EX 281 IN 215 EX 221 IN .488 EX .494 112 DEGREES BOTTOM TO TOP END POWER(STRONG MIDRANGE).PERFORMANCE GEARS,HEADERS
DUAL EXHAUST,LARGER THAN STOCK CFM CARBURETOR,PERFORMANCE MANIFOLD
400-425 56263 280HDP 1600-4800 IN 280 EX 286 IN 220 EX 227 IN .485 EX .496 112 DEGREES AND INCREASED COMPRESSION(9.5:1-10.5:1)ARE REQUIRED.WORKS WELL WITH
AUTOMATIC TRANSMISSION IF MATCHED WITH PROPER REAR END GEARS AND/OR
455 56264 284HDP 1600-4800 IN 284 EX 290 IN 229 EX 236 IN .520 EX .528 112 DEGREES HIGH STALL SPEED CONVERTOR
ULTRA PERFORMANCE COMPU-PRO
260 56263 280HDP 2000-6200 IN 280 EX 286 IN 220 EX 227 IN .485 EX .496 112 DEGREES THE FOLLOWING GRINDS ARE BEST SUITED FOR DUAL PURPOSE HOT STREET/DRAG
STRIP SITUATIONS.THESE CAMS EXHIBIT STRONG MIDRANGE AND TOPEND TORQUE
350 56264 284HDP 2000-6200 IN 284 EX 290 IN 229 EX 236 IN .520 EX .528 112 DEGREES AND HORSE POWER.HEADERS,DUAL EXHAUST,LARGER CFM CARBURETOR,PERFORMANCE
IGNITION AND 11:1 COMPRESSION ARE A MUST.CYLINDER HEAD MODIFICATIONS
400-425 56265 297HDP 2000-6200 IN 297 EX 308 IN 237 EX 240 IN .538 EX .533 112 DEGREES WITH HIGH STALL CONVERTOR.LOW GEARING A MUST
455 56266 311HDP 2000-6200 IN 311 EX 316 IN 247 EX 251 IN .546 EX .557 112 DEGREES
HI-DRAULIC/PERFORMANCE LEVEL 3
400 56270 284HDP 2500-6500 IN 288 EX 298 IN 228 EX 238 IN .464 EX .482 108 DEGREES LOPE AT IDLE,HOT STREET/STRIP
HI-DRAULIC/PERFORMANCE LEVEL 4
400 56271 296HDP 3000-7000 IN 296 EX 304 IN 229 EX 241 IN .505 EX .532 108 DEGREES ROUGH IDLE,EXPLOSIVE MIDRANGE POWER AND TORQUE
400 56272 304HDP 3500-7500 IN 304 EX 312 IN 244 EX 249 IN .540 EX .568 108 DEGREES ROUGH IDLE,VIOLENT MIDRANGE ACCELERATION
SOLID CAMS
COMPU PRO
400-455 56360 274FDP 3000-7000 IN 274 EX 278 IN 238 EX 242 IN .526 EX .539 110 DEGREES HIGH REVVING,SUPER MID TO TOPEND POWER
400-455 56361 284FDP 3500-7500 IN 284 EX 290 IN 248 EX 255 IN .552 EX .568 108 DEGREES SUPER TORQUE WITH EXPLOSIVE MIDRANGE POWER
400-455 56362 300FDP 4000-8000 IN 300 EX 308 IN 260 EX 268 IN .584 EX .601 108 DEGREES UPPER MIDRANGE AND TOPEND PROFILE FOR ADDED POWER ABOVE 7000 RPM
ISKY CAMS:
CAM PART # GRIND# RPM RANGE ADVERTISED DURATION DURATION @ .050 VALVE LIFT W/1.6 RATIO ROCKER LOBE SEPERATION ANGLE SUMMARY
691281/10 2000-5400 IN 280 EX 280 IN 232 EX 232 IN .517 EX .517 110 DEGREES JET BOAT A-B IMPELLER, ALL AROUND PERFORMANCE USE.SKIING,PLEASURE USE
691256/262 1800-5000 IN 256 EX 262 IN 202 EX 208 IN .450 EX .445 110 DEGREES BEST OVERALL CAM FOR TOWING,TRUCKS,VANS,R.V.,ETC.BROAD TORQUE BAND,
GOOD VACUUM,3.55-4.10 AXLE RATIO.9.5:1 COMPRESSION,COMPUTER COMPATIBLE
SMOOTH IDLE
691-TA 1000-5000 IN 264 EX 250 IN 208 EX 194 IN .465 EX .425 114 DEGREES MAXIMUM ECONOMY/TORQUE.TURBOCHARGED.UP TO 7 PSI BOOST,SMOOTH IDLE.
STOCK CONVERTOR,STD.AXLE RATIO,UP TO 650 CFM CARB
691281 2500-6800 IN 280 EX 280 IN 232 EX 232 IN .517 EX .517 108 DEGREES HIGH PERFORMANCE USE/BRACKET RACING.LOPEY IDLE.2500 STALL CONVERTOR
9.5-10.5:1 COMPRESSION.3.90-4.11 AXLE RATIO. UP TO 780 CFM CARB
691264 2000-5800 IN 264 EX 264 IN 214 EX 214 IN .496 EX .496 108 DEGREES TREMENDOUS TORQUE & GOOD MIDRANGE POWER,9-10.5:1 COMPRESSION,GOOD IDLE
STOCK CONVERTOR,3.23-3.70 AXLE RATIO,UP TO 625 CFM CARB
691271 2000-6000 IN 270 EX 270 IN 221 EX 221 IN .496 EX .496 108 DEGREES EXCELLENT MIDRANGE PERFORMANCE,FAIR IDLE,STOCK CONVERTOR,
9-10.5:1 COMP.,3.70-4.11 AXLE RATIO,UP TO 650 CFM CARB
691304 3200-7500 IN 304 EX 304 IN 256 EX 256 IN .560 EX .560 108 DEGREES ULTIMATE HIGH PERFORMANCE USE/BRACKET RACING,ROUGH IDLE,3000 STALL
11:1 COMPRESSION,4.33-4.88:1 AXLE RATIO,UP TO 850 CFM CARB
691291 2800-7000 IN 292 EX 292 IN 244 EX 244 IN .538 EX .538 108 DEGREES HIGH PERFORMANCEUSE/BRACKET RACING,ROUGH IDLE,2800 STALL 10-11:1
COMPRESSION,4.11-4.56:1 AXLE RATIO,UP TO 780 CFM CARB
691256 1500-4500 IN 256 EX 256 IN 202 EX 202 IN .450 EX .450 112 DEGREES BEST TORQUE & ECONOMY IN PASSENGER CARS & TRUCKS,MAX COMPRESSION
9.5:1,SMOOTH IDLE,STD. AXLE RATIO,GOOD VACUUM,COMPUTER COMPATIBLE
691270 2000-6000 IN 270 EX 270 IN 216 EX 216 IN .470 EX .470 108 DEGREES GOOD ALL AROUND PERFORMANCE,FAIR IDLE,STOCK CONVERTOR,3.70-4.11
AXLE RATIO,UP TO 650 CFM CARB,9.5:1 COMPRESSION
691282 2500-6000 IN 282 EX 282 IN 224 EX 224 IN .467 EX .467 108 DEGREES HIGH PERFORMANCE USE,LOPEY IDLE,2500 STALL.3.70-4.11 AXLE RATIO
UP TO 750 CFM CARB,9.5:1 COMPRESSION
691262 2000-5500 IN 262 EX 262 IN 208 EX 208 IN .445 EX .445 108 DEGREES LOW/MID RANGE PERFORMANCE CAM,9.5:1 COMPR.,3.08-3.70 AXLE RATIO,
PASSENGER CARS & TRUCKS,UP TO 625 CFM CARB
CRANE CAMS FOR 64-67 V-8 W/45 DEGREE BANK ANGLES
CAM PART # GRIND# RPM RANGE ADVERTISED DURATION DURATION @ .050 VALVE LIFT W/1.6 RATIO ROCKER LOBE SEPERATION ANGLE SUMMARY
HYD. 790501 H-192/2667-2S-10 1000-4000 IN 248 EX 260 IN 192 EX 204 IN .427 EX .456 110 DEGREES SMOOTH IDLE,DAILY USAGE,FUEL ECONOMY,1600-2200 CRUISE RPM,
7.75-8.75:1 COMPRESSION RATIO
790531 H-204/2847-2S-12 1500-4500 IN 260 EX 272 IN 204 EX 216 IN .456 EX .484 112 DEGREES SMOOTH IDLE,DAILY USAGE,OFF ROAD,TOWING,ECONOMY,ALSO MILD
TURBOCHARGED,2200-2600 CRUISE RPM,8.0-9.5:1 COMPRESSION
790571 H-216/3027-2S-12 2000-5000 IN 272 EX 284 IN 216 EX 228 IN .484 EX .512 112 DEGREES GOOD IDLE,DAILY USAGE,OFF ROAD,TOWING,PERFORMANCE AND FUEL
EFFICIENCY,2600-3000 CRUISE RPM,8.75-10.5:1 COMPRESSION
790621 H-228/3200-2-10 2500-5500 IN 284 EX 294 IN 228 EX 238 IN .512 EX .536 110 DEGREES FAIR IDLE,MODERATE PERFORMANCE USAGE,GOOD MID RANGE HP,BRACKET RACING
AUTO W/2500 + STALL CONVERTOR,3400-3800 CRUISE RPM,9.5-11.0:1 COMPR.
790661 H-238/3347-2-10 3000-6500 IN 294 EX 304 IN 238 EX 248 IN .536 EX .560 110 DEGREES ROUGH IDLE,PERFORMANCE USAGE,GOOD MID AND UPPER RPM HP,BRACKET RACING,
AUTO W/3000+ STALL CONVERTOR,3800-4200 CRUISE RPM,10-11.5:1
COMPRESSION RATIO ADVISE
CRANE CAMS FOR 67-84 V-8 W/39 DEGREE BANK ANGLES
CAM PART # GRIND# RPM RANGE ADVERTISED DURATION DURATION @ .050 VALVE LIFT W/1.6 RATIO ROCKER LOBE SEPERATION ANGLE SUMMARY
HYD. 800501 H-192/2667-2S-10 1000-4000 IN 248 EX 260 IN 192 EX 204 IN .427 EX .456 110 DEGREES SMOOTH IDLE,DAILY USAGE,FUEL ECONOMY,1600-2200 CRUISE RPM,7.75-8.75 COMP.
803901 H-260-2 1500-4500 IN 260 EX 272 IN 204 EX 216 IN .456 EX .484 112 DEGREES SMOOTH IDLE,DAILY USAGE,OFF ROAD,TOWING,ECONOMY,ALSO MILD TURBOCHARGED,
2200-2600 CRUISE RPM,8.0-9.5 COMP.RATIO
804541 H-272-2 2000-5000 IN 272 EX 284 IN 216 EX 228 IN .484 EX .512 112 DEGREES GOOD IDLE,DAILY USAGE,OFF ROAD,TOWING,PERFORMANCE AND FUEL ECONOMY
2600-3000 CRUISE RPM,8.75-10.5 COMP.RATIO
804551 H-284-2 2500-5500 IN 284 EX 292 IN 222 EX 230 IN .480 EX .496 110 DEGREES FAIR IDLE,MODERATE PERFORMANCE USAGE,GOOD MID RANGE HP,MARINE PERF.,BRACKET
RACING,AUTO TRANS W/2500 + CONVERTOR,3200-3600 CRUISE RPM,9.5-11 COMP.RATIO
804461 H-292-2 3000-6200 IN 292 EX 296 IN 230 EX 234 IN .496 EX .504 110 DEGREES FAIR IDLE,MODERATE PERFORMANCE USAGE,GOOD MID RANGE HP,BRACKET RACING,AUTO
TRANS W/3000 + CONVERTOR,3600-4000 CRUISE RPM,10.0-11.5 COMP. RATIO
800661 H-238/3347-2-10 3000-6500 IN 294 EX 304 IN 238 EX 248 IN .536 EX .560 110 DEGREES ROUGH IDLE,PERFORMANCE USAGE,GOOD MID AND UPPER RPM HP,BRACKET RACING,AUTO
TRANS W/3500 + CONVERTOR,10.5-12.0 COMP.RATIO
800671 H-244/336-2S-10 3800-6800 IN 314 EX 322 IN 244 EX 252 IN .538 EX .557 110 DEGREES ROUGH IDLE,PERFORMANCE USAGE,GOOD MID AND UPPER RPM HP,BRACKET RACING,AUTO
TRANS W/3500 + CONVERTOR,11.0-12.5 COMP.RATIO
MECHANICAL LIFTER AND ROLLER CAMSHAFTS
801181 F-238/3200-2-10 3000-6500 IN 300 EX 310 IN 238 EX 248 IN .512 EX.533 110 DEGREES FAIR IDLE,MODERATE PERFORMANCE USAGE,GOOD MID RANGE HP,BRACKET RACING,AUTO
TRANS W/2000 + CONVERTOR,3400-3800 CRUISE RPM 10.0-11.5 COMP.RATIO
801231 F-248/3334-2-8 3800-7200 IN 310 EX 320 IN 248 EX 258 IN .533 EX .555 108 DEGREES ROUGH IDLE,MODERATE PERFORMANCE USAGE,GOOD MID RANGE HP,BRACKET RACING,AUTO
TRANS W/2500 + CONVERTOR,3800-4200 CRUISE RPM,11.0-12.0 COMP.RATIO
808801 R-252/420-2-8 3500-7000 IN 284 EX 294 IN 252 EX 262 IN .672 EX .672 108 DEGREES ROUGH IDLE,PERFORMANCE USAGE,GOOD LOW AND MID RANGE TORQUE AND HP,BRACKET
RACING,AUTO TRANS W/RACE CONVERTOR,11.0-12.5 COMP.RATIO
808811 R-262/420-2-10 4000-7500 IN 294 EX 304 IN 262 EX 272 IN .672 EX .672 110 DEGREES ROUGH IDLE,PERFORMANCE USAGE,GOOD MID RANGE TORQUE AND HP,BRACKET RACING,
AUTO TRANS W/RACE CONVERTOR,11.5 MINIMUM COMP.RATIO
808821 R-272/420-2-10 4500-8000 IN 304 EX 314 IN 272 EX 282 IN .672 EX .672 110 DEGREES COMPETITION ONLY,GOOD MID TO UPPER RPM TORQUE AND HP,BRACKET RACING,AUTO
TRANS W/RACE CONVERTOR,12.5 MINIMUM COMP.RATIO
808351 R-282/450-2S2-8 5000-8600 IN 322 EX 332 IN 282 EX 292 IN .720 EX.681 108 DEGREES COMPETITION ONLY,GOOD UPPER RPM HP,SUPER STOCK,STICK SHIFT OR AUTO W/TRANS
BRAKE,12.5 MINIMUM COMP. RATIO