1979 Trans Am fun with the rebuilt motor :)
403 olds motor, big block chevy performance valve springs, straight headers and a big cam. Lift: Intake 475 Exhaust 500, Duration 215/225, and 1971 Olds 350 closed chamber heads machined and port and polished, Edelbrock intake.
403 SB Olds Stroked Dyno Pull
403 SB Oldsmobile stroked to a 422 ci. Made 570 hp and 540 trq.