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Old 01-17-2013, 10:15 AM   #11
v6sonoma


 
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Drives: 2010 SS RS
Join Date: Jun 2009
Location: Providence, RI
Posts: 8,107
I'd say 470hp/470tq at the crank. That seems like pretty decent bump while leaving enough room for a Z06 to add another 50hp or so down the line without taking a major MPG hit.
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