what will happen

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Jan 19, 2013 | 05:52 PM

GSXRDAVE21

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Staging Lane

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what will happen

So i have a 2012 chevy CC 4X4 5.3l about to put a e-force on it I have headers and a slp underdrive pulley. Will i have to change out the UDP will it help any or hurt any??

Jan 19, 2013 | 05:56 PM

AKlowriderZ71

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From: Wyoming

Put your stock pulley back on. The underdrive pulley will reduce your blower rpm and lower your boost. Be sure to pin your crank at the same time.

Jan 19, 2013 | 05:57 PM

Ferocity02

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The larger your crank pulley is the larger your blower pulley can be, which means more surface area and grip, and thus less potential for belt slip.

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