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pulley size to # ???

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Old 11-26-2004, 03:49 PM
muddman07's Avatar
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pulley size to # ???
8.75 lower 3.00 upper these meaurements were taken to the outside of the belt.what do these sizes amount to in boost gain.
 
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Old 11-26-2004, 04:09 PM
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I think that's a 4# lower and a stock upper. Expect about 12-13 psi on the boost gauge.
 
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Old 11-26-2004, 06:44 PM
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and that can change a lb or two depending on intake, blower porting, and exhaust flow
 
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