how much boost from a 3.2 to a 3.1 pulley?

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May 8, 2008 | 02:21 PM

transdam

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Staging Lane

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how much boost from a 3.2 to a 3.1 pulley?

3.2 makes 7psi and i what 9psi would a 3.1 or a 3.0 be best on a p1 6 rib setup

May 8, 2008 | 04:21 PM

v8juice

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Depending on your exhaust,etc.. a 3.0 should get you close to 9.0psi

May 8, 2008 | 09:11 PM

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Staging Lane

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thanks for reply just didn't want to go over 9 psi. how much power did yours make at 9psi?

May 9, 2008 | 05:51 AM

EPP

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You will more than likely have belt slippage problems going any smaller than a 3.2 on the pulley. You would be better off finding a larger crank pulley. ASP makes them but they are not cheap. Bob

May 9, 2008 | 06:52 AM

Rickys S/C Z28

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From: MOREHEAD KY

i have the 3.2 on there now and like you im making 6.5-7 psi, im going with an 8in crank pulley and hoping for 9-10 psi, ill let you know how it turns out, if you do go with a 3.0 pulley let me know how much slip if any you get please