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Compression Calulation at Allen Dockery's allendoc.com

 

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Calculate Cubic Inch Displacement and Compression Ratio

Sample: in Blue for a Chevrolet 350/5.7 cc

    Bore: Diameter in Inches - 4.000
    Stroke: Distance In Inches - 3.480
    Head Gasket: Thickness In Inches - .040
    Cylinders: Number of Cylinders - 8
    Cylinder Head Volume Number in Cubic Centimeters (cc) - 76

    The compression ratio can easily be changed because Chevrolet also made 64, 68 & 72 cc heads or use a .020 steel shim head gasket.

    Displacement is in Cubic Inches or in Cubic Liters

    With Compression Ratio of .