Quote Originally Posted by Smokin2000gtp View Post
Don't know about the 427's but the newer GT's with just a CAI, tune, and DR's can run low 13's and some even breaking into 12's with a good driver. So just be weary of them, they definitely respond well to mods.
I raced an old man at the Track when they first came out. It was just a 6speed GT. He was running 14.5 because he kept hitting the rev limiter. I beat him every time. Anything above the regular GT I wouldn't mess with.