78 Pontiac Trans Am 500+ HP Butler 461 Engine Pontiac 400 Top End Kit
350 SBC meets its end. #sbc #350 78 Pontiac Trans Am 500+ HP Butler 461 Engine Originally was a Z code 400 Pontiac V8 engine. It now has a Butler Performance built 461/ 500+hp. Rick Armstrong built the turbo How To Build A Hot Pontiac 455 for Pump Gas - Horsepower S4, E20 383 stroker with stock vortec heads ...