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Thread: Calculating Compression

  1. #1
    Senior Member MASTER BUILDER
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    Aug 2007
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    Iowa - USA
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    Calculating Compression

    How can a compression reatio be calculated for a blown engine with 10lbs of boost and a starting ratio of 8.5 to 1.

  2. #2
    Senior Member DYNO OPERATOR
    Join Date
    Aug 2007
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    Lost Creek, WV
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    533
    Give specs on engine. Bore, stroke, rod length, & cam specs. mainly valve timing.

    TS1955

  3. #3
    Senior Member RACING JUNKIE
    Join Date
    Jan 2006
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    La.
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    2,890

    Re: Calculating Compression

    Quote Originally Posted by jreiley
    How can a compression reatio be calculated for a blown engine with 10lbs of boost and a starting ratio of 8.5 to 1.
    Here you go, there are also calculators for anything else you want to figure.

    Zip.

    http://www.wallaceracing.com/dynamic-cr.php

  4. Racing Junk


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