75mm is too big for a stock 5.0. You'll lose alot of lowend power and it won't "hit" til later on in the powerband.
i have a BBK 70mm and it's still too big. It screams once it gets to ~3k rpms. I noticed more power in the upper rpms and WAY better throttle response. I want a 65mm though.
i have a BBK 70mm and it's still too big. It screams once it gets to ~3k rpms. I noticed more power in the upper rpms and WAY better throttle response. I want a 65mm though.