bad04
12-27-2006, 01:42 PM
i was wondering what is some of the smart backyard mechanics out there estamates of horsepower you would get from some changes to my stock GTO engine would put out if i changed the cam to a full race cam, long tube headers,Full catback exhaust with cut outs to make things real loud, 90 mm thotal body, cold air intake, ngk plugs,9mm plug wires and performance chip.what would be a rough estamate of horsepower i would gain?