Formula for compression at TDC

General engine tech -- Drag Racing to Circle Track

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Formula for compression at TDC

Post by user-9274568 » Fri Apr 08, 2005 1:39 pm

Anyone know the formula to firgure compression from pouring the cylinder at TDC, with the head on? I had it in a hand held computer, but it finally gave in. Thanks Guys..


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Post by maxracesoftware » Fri Apr 08, 2005 4:27 pm

CR = (Poured_Vol / Cyl_Vol) + 1

Cyl_Vol_CC = (CID / Number_Cylinders) * 16.387
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