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Old 06-12-2013, 07:33 PM   #2

Drives: 2006 Z06
Join Date: Oct 2010
Location: Gilbert, AZ
Posts: 4,226
Agreed. Friend had 12k+ miles on his 680rwhp l99, stock valve train. Now it makes almost 800 and no issues. The tranny on the other hand doesn't like it.
Corvette Z06 -1200ish rwhp
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