big bore kits

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  • Sherry Shook
    XSive
    • Jul 2003
    • 46
    • Westerville, Ohio

    #1

    big bore kits

    a note to you folks doing compression tests....
    specs allow a 10 percent variance on the cylinders. so if the highest compression is 100lbs the lowest cannot be below 90lbs.
    reason being that the engine after 10 percent differance is unbalanced and you can expect severe engine gamage to result from vibration.
    again sherry's motorhead
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