What would it take to beat an 04 gto M6 (stock) from 0 to 90? The top end on the car would win regardless without heavy mods (im assuming)
Would the classic mods that bring you up to up to the 3.4 pulley(pulley, cai, dp, pcm) give it a run for its money?
I asked this on ls1gto.com and they told me to unplug some of his spark plug cables.... So as you can see they werent really serious about this question.
*EDIT* Heres the link with the LS1 heads point of view:
http://www.ls1gto.com/forums/showthread.php?t=256816