Either a 305 TBI, 305 TPI or a 5.7 TPI
Depends on whether you're referring to a 305 TBI, 305 TPI, 350 TPI...
165 HP for LG4 carb 305. 190 HP for LB9 TPI 305 220 HP for L98 TPI 350
Base 305 4bbl (170 hp), optional 305 TPI (215 hp) or 350 TPI (225 hp)
Assuming you're referring to a 1988 IROC-Z, it could have either a 305 TBI, 305 TPI or a 350 TPI
700r4
TBI or TPI? 305 or 350?
6 degrees before top dead center on the 305 TPI
1986 305 TPI 190 HP / 285 Lb.Ft
The horsepower rating of the 1989 TPI 305 engine in the F body cars was 195 - 205HP The horsepower rating of the 1989 TPI 305 engine in the F body cars was 195 - 205HP
32 degrees
base model (standard): 3.1L v6 rally sport: 3.1 v6, LO3 305 tbi optional z28: LB9 305 tpi, L98 350 tpi optional