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anybody know where the size is located on the actual pulley? I found a number but it reads 3.100 DIA...
I called ATI and they said it doesn't sound like their pulleys, theirs would say 340 if it was a 3.4 and be black. They would never recommend a 3.1 since the 3.4 from ATI can create 12.5 psi just like I run. From a old dyno chart it made the correct psi and 6K rpm so I asked them how that's possible. He said maybe it's consistant belt slipage...
Last edited by MDK210; 08-27-2009 at 01:44 PM.
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