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NEW!!!
I have frequent email where people are looking for stock cam shaft specs. I have added this hoping it will help out those who plan on upgrades, as well as help people in knowing what there starting with for a cam.| Motor | intake (lift) | exhaust (lift) | Intake (duration) | exhaust (duration) | Lobe seperation |
| 1985 | |||||
| (L69 and LB9)305 AT | .403 | .515 | 202 | 206 | 114.5 |
| 1986 | |||||
| 1986 (LB9) 305 Auto | .350 | .385 | 178 | 194 | 109 |
| 1987 | |||||
| 305 AT (LB9) | .350 | .384 | 179 | 194 | 109 |
| 305 5spd / 350 AT (LB9/ L98) | .404 | .415 | 202 | 207 | 114.5 |
| 305 (LM1 Police Pack.) | .383 | .404 | 291 | 202 | 112 |
| 1988 and 1989 | |||||
| 305 AT (LB9) | .350 | .384 | 179 | 194 | 109 |
| 305 5 speed (LB9) | .415 | .430 | 207 | 213 | 117 |
| 1990 - 1992 | |||||
| 305 5spd / 305 AT | .350 | .384 | 179 | 194 | 109 |
| 305 G92 5spd / 350 AT | .413 | .428 | 202 | 207 | 114.5 |