Drivetrain need a boost

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Oct 4, 2006 | 06:31 PM

herbie hind

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need a boost

how much boost should a cooper make with a 15% pulley and around 170-180 whp? yeah i know get a gauge but just doing some bench figuring .

Oct 4, 2006 | 06:53 PM

dominicminicoopers

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From: Phoenix, AZ

15lbs or so

Oct 4, 2006 | 06:54 PM

mdsbrain

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From: Bowie, MD

Go from stock of 10.5-11psi to 15psi.

Oct 4, 2006 | 07:26 PM

etalj

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now that you've got a header and catback, i'd assume your boost figures would be a little lower. 15% pulley on an otherwise stock car would yield 14-15psi, where as with an intake probably 15-16psi

Oct 5, 2006 | 01:41 PM

herbie hind

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thanks all. i'm drooling over the methanol injection thing . hopefully will put it on this coming summer. my kids 68 mustang is still holding my garage hostige .