Originally Posted by Heps
Upgrade the heads before the entire engine goes kapoot !! Lots and lots of this happening on the z06 forums
Other wise, nice
I believe your referring to the rocker arm needles and calve seats? Those were from 08-10 models. Besides I picked up a 3/36k gm warranty for 2k. What a joke. I was begging for people to take my $6k for a warranty on my m6. I got declined twice...