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Reference Manual


Chapter 1: Engines: Oldsmobile V8s: Camshafts

List compiled by Dave Worthington

 

Clevite Advertised Duration Duration @ 0.050 Valve lift with 1.60
* Intake Exhaust Intake Exhaust Intake Exhaust LSA

260 H 256 276 180 187 .395 .400 112
260-350Diesel H 284 274 172 192 .376 .376 114
307 H 249 256 178 186 .395 .402 116
307-455 H 279 290 187 200 .400 .402 112
350 Diesel HR 235 369 166 192 .402 .446 114
S2028 H 280 290 204 214 .448 .472 112
S2073 H 282 292 204 214 .484 .510 112
S2074 H 280 290 204 214 .448 .472 114
S2059 H 290 300 214 224 .472 .496 112
S2014 H 300 310 224 234 .496 .520 112
1200 H 329 329 232 232 .415 .415 113
1644 H 314 314 244 244 .415 .415 110
 
* H = Hydraulic, HR = Hydraulic Roller

 

COMP Cams Advertised Duration Duration @ 0.050 Valve lift with 1.60
* Intake Exhaust Intake Exhaust Intake Exhaust LSA

270 H H 270 270 224 224 .501 .501 110
280H H 280 280 230 230 .490 .490 110
292 H H 292 292 244 244 .518 .518 110
305 H H 305 305 253 253 .540 .540 110
312 H H 312 312 260 260 .565 .565 110
320 H H 320 320 268 268 .565 .565 110
XE250H H 250 260 206 212 .443 .448 110
XE256H H 256 268 212 218 .453 .456 110
XE262H H 262 274 218 224 .475 .480 110
XE268H H 268 280 224 230 .485 .490 110
XE274H H 274 286 230 236 .520 .523 110
XE284H H 284 296 240 246 .541 .544 110
XE294H H 294 306 250 256 .544 .558 110
XE262HR HR 262 268 210 216 .505 .505 110
XE276HR HR 276 282 224 230 .505 .505 110
XE290HR HR 290 296 236 242 .515 .533 110
285B-8 M 285 294 250 256 .568 .545 108
300B-6 M 300 314 265 276 .600 .594 106
 
* H = Hydraulic, HR = Hydraulic Roller, M = Mechanical

 

Crane Cams Advertised Duration Duration @ 0.050 Valve lift with 1.60
* Intake Exhaust Intake Exhaust Intake Exhaust LSA

PowerMax H-192 H 248 260 192 204 .427 .456 110
PowerMax H-260-2 H 260 272 204 216 .456 .484 112
PowerMax H-272-2 H 272 284 216 228 .484 .512 112
PowerMax H-284-2 H 284 292 222 230 .480 .496 110
PowerMax H-292-2 H 292 296 230 234 .496 .504 110
PowerMax H-238 H 294 304 238 248 .536 .560 110
PowerMax H-244 H 314 322 244 252 .538 .557 110
PowerMax F-238 M 300 310 238 248 .512 .533 110
PowerMax F-248 M 310 320 248 258 .533 .555 108
PowerMax R-252 MR 284 294 252 262 .672 .672 108
PowerMax R-262 MR 294 304 262 272 .672 .672 110
PowerMax R-272 MR 304 314 272 282 .672 .672 110
PowerMax R-282 MR 322 332 282 292 .720 .681 108
 
* H = Hydraulic, M = Mechanical, MR = Mechanical Roller

 

Crower Advertised Duration Duration @ 0.050 Valve lift with 1.60
* Intake Exhaust Intake Exhaust Intake Exhaust LSA

280H H 280 289 204 214 .450 .474 112
289H H 289 300 214 224 .474 .498 112
304H H 304 316 234 244 .520 .542 112
250HDP H 250 258 192 196 .429 .445 112
260HDP H 260 266 203 211 .448 .450 112
270HDP H 270 276 210 219 .451 .474 112
276HDP H 276 281 215 221 .488 .494 112
280HDP H 280 286 220 227 .485 .496 112
284HDP H 284 290 229 236 .520 .528 112
297HDP H 297 308 237 240 .538 .533 112
311HDP H 311 316 247 251 .546 .557 112
274FDP M 274 278 238 242 .526 .539 110
284FDP M 284 290 248 255 .552 .568 108
300FDP M 300 308 260 268 .584 .601 108
 
* H = Hydraulic, M = Mechanical

 

Edelbrock Advertised Duration Duration @ 0.050 Valve lift with 1.60
* Intake Exhaust Intake Exhaust Intake Exhaust LSA

Performer Plus 3712 H 280 290 204 214 .448 .472 114
Performer RPM H 290 300 224 234 .496 .520 112
Performer Plus 2152 H 288 298 214 224 .472 .496 112
 
* H = Hydraulic

 

Engle Advertised Duration Duration @ 0.050 Valve lift with 1.60
* Intake Exhaust Intake Exhaust Intake Exhaust LSA

EP-15/18HYD H 248 260 207 216 .466 .496 112
EP-16/18HYD H 256 260 210 216 .472 .488 112
EP-40/43HYD H 265 271 215 222 .483 .502 112
EP-43/46HYD H 271 277 222 230 .502 .522 110
EP-46/49HYD H 277 285 230 238 .522 .542 110
EP-49HYD H 285 285 238 238 .542 .542 110
 
* H = Hydraulic

 

Erson Advertised Duration Duration @ 0.050 Valve lift with 1.60
* Intake Exhaust Intake Exhaust Intake Exhaust LSA

MP1 H 280 292 208 214 .448 .478 114
TQ20H H 292 292 214 214 .478 .478 111
MP2 H 292 310 214 226 .478 .493 114
TQ40H H 284 296 220 228 .504 .504 110
JB100 H 296 306 228 235 .504 .504 112
Hi Flow IV H 312 320 248 256 .536 .552 110
R-282-1C MR 282 292 253 263 .640 .640 110
R-298-5 MR 298 306 272 280 .656 .688 104
R-302-8 MR 302 306 276 280 .656 .688 106
 
* H = Hydraulic, MR = Mechanical Roller

 

Holley/Lunati Advertised Duration Duration @ 0.050 Valve lift with 1.60
* Intake Exhaust Intake Exhaust Intake Exhaust LSA

Bracketmaster 080 H 280 290 214 224 .472 .496 112
Bracketmaster 084 H 283 283 220 220 .451 .451 110
Bracketmaster 083 H 290 300 224 234 .496 .520 112
High Effic 6181 H 270 280 204 214 .448 .472 112
High Effic 6185 H 260 260 210 210 .470 .470 110
High Effic 6186 H 268 268 218 218 .490 .490 110
Fact Perf 11800 H 310 310 232 232 .480 .480 113
Fact Perf 11801 H 320 320 244 244 .475 .475 110
Street Master 7181 H 275 275 225 225 .508 .508 108
Street Master 7182 H 285 285 235 235 .540 .540 108
Street Master 7183 H 295 295 245 245 .569 .569 108
StreetStrip 31801 H 285 300 228 235 .496 .496 110
StreetStrip 51803 HR 270 279 209 213 .443 .477 112
StreetStrip 51804 HR 279 287 213 218 .477 .502 112
StreetStrip 51809 HR 287 298 218 226 .502 .512 113
StreetStrip 51810 HR 290 300 232 242 .544 .560 110
StreetStrip MR 304 304 244 244 .563 .563 110
Drag Race 31803 H 310 310 241 241 .494 .494 110
Drag Race 31805 H 310 320 242 252 .520 .520 110
Drag Race 31806 H 308 308 244 244 .540 .540 110
Drag Race 31815 H 315 325 245 255 .541 .564 108
Drag Race 51808 MR 301 309 268 276 .669 .669 106
Drag Race 51802 MR 318 318 281 281 .688 .688 104
 
* H = Hydraulic, HR = Hydraulic Roller, MR = Mechanical Roller

 

Isky Advertised Duration Duration @ 0.050 Valve lift with 1.60
* Intake Exhaust Intake Exhaust Intake Exhaust LSA

691281 H 280 280 232 232 .517 .517 110
691256 H 256 262 202 208 .450 .445 110
691-TA H 264 250 208 194 .465 .425 114
691264 H 264 264 214 214 .480 .480 108
691271 H 270 270 221 221 .496 .496 108
691304 H 304 304 256 256 .560 .560 108
691291 H 292 292 244 244 .538 .538 108
691270 H 270 270 216 216 .470 .470 108
691282 H 282 282 224 224 .467 .467 108
691262 H 262 262 208 208 .445 .445 108
 
* H = Hydraulic

 

Lazer Advertised Duration Duration @ 0.050 Valve lift with 1.60
* Intake Exhaust Intake Exhaust Intake Exhaust LSA

2450063 H 245 245 195 195 .437 .437 108
2500063 H 250 250 200 200 .443 .443 108
2550063 H 255 255 205 205 .464 .464 110
2600063 H 260 260 210 210 .477 .477 110
2650063 H 265 365 215 215 .486 .486 110
2700163 H 270 270 220 220 .496 .496 108
2800163 H 280 280 230 230 .523 .523 108
2900163 H 290 295 240 245 .553 .536 108
3000263 H 300 305 250 255 .577 .560 108
 
* H = Hydraulic

 

Mondello/Engle Advertised Duration Duration @ 0.050 Valve lift with 1.60
* Intake Exhaust Intake Exhaust Intake Exhaust LSA

JM 18-20 H 260 266 216 226 .488 .496 112
JM 20-22 H 266 274 226 230 .496 .512 110
JM 22-25 H 274 280 230 236 .512 .523 108
JM22-25-10 H 274 280 230 236 .512 .523 110
JM 34 H 260 256 216 210 .488 .472 114
JM 36 H 280 274 236 230 .523 .512 114
JM 25-28 H 280 292 236 248 .523 .544 108
JM 28-29 H 292 300 248 258 .544 .544 108
JM 30 H 302 314 252 263 .560 .576 106
JM 3-4 H 277 285 230 238 .522 .544 110
JM 4-5 H 285 291 238 246 .542 .558 110
JM 5-6 H 291 300 246 253 .558 .574 110
JM 6-7 H 300 313 253 262 .574 .592 110
JM 30-10 H 302 314 252 263 .560 .576 110
JM 32 H 310 320 266 270 .584 .568 107
JM 32-10 H 310 320 266 270 .584 .568 110
MW-30 H 328 328 244 244 .474 .474 110
MW-31 H 308 308 234 234 .474 .474 113
JM 14-100 H 248 260 204 212 .432 .455 112
JM 15-100 H 254 260 208 212 .467 .446 107
JM 16 H 256 256 210 210 .472 .472 112
JM 16-18 H 256 260 210 216 .472 .488 112
MP-1-2 M 254 262 221 228 .488 .506 110
MP 20-22 M 268 274 232 236 .512 .523 110
MP 22-25 M 274 280 238 246 .523 .541 110
JM 40 M 304 314 264 271 .562 .594 108
JM 42 M 320 320 282 282 .592 .592 108
JM 44 M 314 326 274 286 .600 .600 108
MP 28-29 M 292 302 258 264 .562 .562 110
MP 40 M 304 314 264 271 .562 .594 110
MPV-1-2 M 278 286 244 252 .557 .574 110
MPV-2-3 M 286 294 252 260 .574 .592 110
MPV-3-4 M 294 306 260 269 .592 .614 110
MPV-8-42 M 316 320 278 282 .592 .614 110
MPV-44-S M 310 318 270 280 .594 .605 110
MPV-4-5 M 306 313 269 277 .614 .634 110
JM-5 MR 318 318 278 278 .704 .704 106
JM5-1 MR 318 318 278 278 .704 .704 110
RH-22 HR 265 265 220 220 .534 .534 110
RH-34 HR 280 280 238 238 .534 .534 110
RH 6-14 HR 252 265 206 214 .510 .520 110
RH 14-22 HR 252 265 214 220 .520 .534 110
RH 44-94 HR 265 280 220 230 .534 .531 110
RH 94-95 HR 280 286 230 236 .531 .538 110
RH 95-96 HR 286 292 236 244 .538 .538 110
MR 2-3-EX MR 310 313 268 275 .669 .686 110
MR 22-23 MR 267 273 227 237 .550 .558 110
MR 34-36 MR 278 288 238 244 .568 .600 110
MR 36-38 MR 288 294 244 252 .600 .608 110
MR 38-56 MR 294 308 252 258 .608 .566 110
MR 38-83 MR 294 306 252 262 .608 .634 110
MR 83-86 MR 306 311 262 267 .634 .640 110
MR 86-131 MR 308 318 267 276 .640 .640 110
MR 131-32 MR 318 323 276 282 .640 .640 110
 
* H = Hydraulic, HR = Hydraulic Roller, M = Mechanical, MR = Mechanical Roller

 

Ultradyne Advertised Duration Duration @ 0.050 Valve lift with 1.60
* Intake Exhaust Intake Exhaust Intake Exhaust LSA

  H 272 272 217 217 .485 .485 112
  H 276 286 221 230 .485 .485 112
  H 288 296 231 239 .517 .541 110
  H 296 304 239 247 .541 .565 108
 
* H = Hydraulic

 

Wolverine Advertised Duration Duration @ 0.050 Valve lift with 1.60
* Intake Exhaust Intake Exhaust Intake Exhaust LSA

WG1154 H 250 260 184 194 .392 .424 105/115
WG1155 H 260 270 194 204 .424 .448 105/115
WG1112 H 270 280 204 214 .448 .472 107/117
WG1168 H 280 290 214 224 .472 .496 107/117
WG1156 H 284 284 218 218 .488 .488 105/115
 
* H = Hydraulic

Downloadable as:
  Rich Text Format (RTF) file --> cam.rtf.
  Excel V7 Format (XLS) file --> cam.xls.

 

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