Quote:
Originally Posted by KingLT1
Retune and picked up a bunch of power. I almost bought a C6Z before a 6th gen. I had found a black 2007 with 7k miles. I couldn't reach an agreement with the dealer on fixing the heads as a preventative.
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I need to find that CSP youtube episode to watch. You aren't going to get any dealer to fix the heads, that's on you after purchase or find one already fixed. Even the brand new crate engines that GM is still producing aren't fixed.