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Mayhem ZL1 Dyno @ Haddad Motor Sports (private owner dyno)
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04-23-2012, 01:27 PM
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b4z
Drives: '06 Pontiac GTO M6, '19 F150 2.7TT
Join Date: Nov 2008
Location: Charleston, SC
Posts: 1,425
It is not overrated at 580hp.
b4z
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