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Old 04-15-2012, 09:55 PM   #9063
ShnOmac


 
Drives: 2006 Silverado SS, 2009 G8 GT
Join Date: Aug 2008
Location: PNW
Posts: 13,313
Quote:
Originally Posted by Fraxum View Post
It was an Auto. Where did all the bountiful ZL1 HP go? Just sayin.
Ehh... who know's. GM is really emphasizing the break in period.... Maybe there is really something to it with this configuration of parts. I think there is something off about their numbers but I will reserve judgement until more ZL1's are put through the ringer.
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