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Old 09-25-2013, 01:59 PM
vatdevil vatdevil is offline
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Join Date: Jul 2010
Location: McMurray, PA
Cobra Make, Engine: Superformance #522
Posts: 528
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SPFs have power brakes. Not sure they are necessary, but I do like them when autocrossing/tracking. I have an aggressive cam....makes enough vacuum when idle is at 800 rpm.
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