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Old 03-16-2005   #10
scheides
flips McGee
 
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Re: Crankcase pressure; oil pool in valve cover

how thick of a Headgasket can you put on there? If you put in one that is like .12" into that formula, you'll be down to 8.5:1 CR.

I know the VW guys put pretty thick headgaskets on their vr6 motors to drop the CR & turn up the boost, but I don't know how thick. I think they drop the CR from 10.1:1 to 9.0:1, roughly 1 full point (depending on the specific app). more info here
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