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Old 09-14-2012, 01:09 PM   #2
winchesterbob
 
Drives: '12 LPE ZL1; '08 2500 Banks Duramax
Join Date: Jun 2012
Location: western PA
Posts: 102
My stock M6 did 522/526 and 520/513 in back to back pulls @ 80 degrees.....appears the loss with the auto is substantial.....
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