Engine Math

How to:

CC Heads

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How to calculate C.I.D.

The will result in the overall volume of air displaced by the engine. For example if we have a bore of 4 inches and a stroke length of 3.52 inches on an 8 cylinder engine, the displacement would be: Displacement = (4 in./2) x (4 in./2) x 3.1416 x 3.52 in. x 8 = 353.86 cubic inches.

Covert Cubic Inches to Liters

1 cubic inch = 0.0163871 liters

How to Calculate Compression Ratio

By definition, the compression ratio is the total swept volume of the cylinder with the piston at bottom dead center (BDC), divided by the total compressedvolume with the piston at top dead center (TDC).

How to Calculate Transmission Gear Ratio

Trans Gears

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Rear End Ratio without tear-down

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