Quote Originally Posted by 99PGPGT View Post
Unless they are using comp g times against the 06-07 gt times. But I will say, the 06-07s have a short rev limiter in gear. I've driven two 06 gt's and one 07, all three wouldn't go above the 4500-5000 rpm range.

I found it weird but that would have something to do with it I bet.
The car was in Park when you rev'd? All 04+ are like that.

That is a rev limiter set by GM, the cars will rev out to 5750-6000 in Neutral.