984.6gt Founding Member Jul 10, 2002 2,806 0 46 Sugar Land Dec 15, 2003 #1 Dec 15, 2003 #1 My buddy has a 87 GT with..... GT40 Upper/Lower, Windsor Jr. heads, E-303, Mac Longtubes Off Road X-Pipe, Bullet Mufflers, 70mm TB, BBK Cold Air Intake. He is having it dyno tuned at Houston Performane, can this set-up break 300HP?
My buddy has a 87 GT with..... GT40 Upper/Lower, Windsor Jr. heads, E-303, Mac Longtubes Off Road X-Pipe, Bullet Mufflers, 70mm TB, BBK Cold Air Intake. He is having it dyno tuned at Houston Performane, can this set-up break 300HP?
bgjohnson Founding Member Sep 1, 2002 963 0 16 johnston,iowa Dec 15, 2003 #2 Dec 15, 2003 #2 is the GT40 ported?, if not he won't make 300RWHP, he might get 250-275
5spd GT "the 5.0 owns all" Founding Member Aug 7, 2002 9,516 6 99 Arkansas Dec 15, 2003 #3 Dec 15, 2003 #3 Yeah I would say 265 to 270....