Quote Originally Posted by boosted347 View Post
yea in a ford 8.8 on a t5 its about 10-13 off with 3.73s and a TB does make a difference in fwhp difference between a 75mm tb and 90mm tb is 14 hp and 12 tq on a pushrod 331 stroker...just so you know. And evilZ in all honesty you can make a single 66mm turbo more efficient than a tt
Two totally different things. A stock bore/stroke bolt on n/a cobra won't make any more power. Stock on those cobra's is a dual 57mm t/b. So unless you are running some good amount of boost the stock one is all you need.