Help with pulley size for 7-8 psi

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Sep 26, 2014 | 05:08 PM

Matt331

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Staging Lane

Joined: Jul 2014

Posts: 75

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Help with pulley size for 7-8 psi

Have a 2010 5.3 with Doug thorley headers tri y no cats into 3" magnaflow
Tvs 1900 ,stock motor ,kn drop in. Would like 7-8 psi . Thx

Sep 27, 2014 | 12:09 PM

Vortec350ss

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From: South Shore, MA

with those mods somewhere in the ball park of a 3.3 should do it.

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