compression equation
cylindrical volume equation? area of base time height. do it twice at bottom dead center and top dead center. then measure of volume at bdc over the measure of volume at tdc. i hope thats what ur asking for.
basically the head needs to come off, or you need to know the exact demensions of your pistons, and your head bowl, combined with what type of head gasket you have.
Are you trying to take compressoin test numbers (i.e. 215) and see what they convert to (i.e. 10.0:1)? If so i have a chart i can email you or to someone who can post pics.
It wouldn't work as well as you think. Cause you still have to take into account leakdown, and other issues that make a compression test not 100% accurate.
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From: land of the sheep, home of the hypocrite
There are lots of threads on this. Here is one with some calculations:
https://honda-tech.com/zerothread?id=438456
https://honda-tech.com/zerothread?id=438456
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Boostn B20
Honda Civic / Del Sol (1992 - 2000)
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Nov 27, 2008 01:22 PM




