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Calculating C/R
Thought I would verify my C/R as I'm trying to figure out my gas needs, currently running a 50/50 blend on C113 and 93 with no issues and a nice clean burn. Would like to know my actual fuel requirement...
Using the KB claculator I come up with a 12.30 static C/R, is this right for the following combination? Head Volume: 58cc (AFR205) Piston Volume: 5cc (JE piston 232459) Gasket: .039 (Felpro 1011-2) Bore: 4.040 Deck Clearance: .015 (72 block with .015 decking (9.480 - .015 = 9.465) Stroke: 4.0 Would like to calculate Dynamic, but I don't have the spec for intake valve closing for the Comp Cams 35-781-9 Rod length: 6.2 Anyone able to verify and also help with the Dynamic? |
My calc gave the same
http://www.wallaceracing.com/cr_test2.php "Your displacement is 410.21 CID The Compression Ratio is: 12.30" |
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