Performance
I have a 89 Rs, mild sub frame, iv got a 350 I built in highschool in it and wanna build a 383, I have a 350 bolck out of a 72 blazer, iv got it bored .30 over and lost direction on where to go from there, I want between 400-450 hp, and still be able to run 92 pump gas. Iv done research an wanna...