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
Assuming you're referring to a 1988 IROC-Z, it could have either a 305 TBI, 305 TPI or a 350 TPI
Base 305 4bbl (170 hp), optional 305 TPI (215 hp) or 350 TPI (225 hp)
700r4
6 degrees before top dead center on the 305 TPI
TBI or TPI? 305 or 350?
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