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Old 08-25-2009, 07:39 AM   #11
old motorhead

 
Drives: Maggie blown LS3 vette
Join Date: Aug 2009
Location: SE TX
Posts: 1,466
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The Maggie folks told me not to use the U/D pulley. Have they changed their stance on this? I thought one of the other pullies could be changed to make up for the slightly smaller crank pulley. However, I quit arguing, bit the buttet, and put the stocker back on.

What else are you doing to your motor to get to 650?
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