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3.91 gears
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12-08-2012, 08:07 AM
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67motorcat
Blown Cool Breeze
Drives: 2011 Black on Black 2SS M6
Join Date: Jul 2010
Location: Pinehurst NC
Posts: 1,027
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The GM 3.91 gears are going in my friends 2010 car today
A bunch of us are going to watch,get schooled and take notes from a professional.
I'm sure he will post it up the butt dyno results later
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2011 Black on Black 2SS M6
Had a 2010 IBM 2SS M6
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67motorcat
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