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Old 04-23-2009, 04:41 PM   #4

levi1922's Avatar
Drives: 2LT RS CGM
Join Date: Apr 2009
Location: Texas
Posts: 1,378
so why does GM officially say 6.1?
have they changed that? thats the lowest i ahve seen from GM
but everyine else can get atleast 5.9
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