Anybody know these exact engine specs ?
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  1. #1
    Tadpole
    Join Date
    May 2004
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    Default Anybody know these exact engine specs ?

    Looking for exact specs for calculation (choosing the right pistons)
    The engine is a XU9J4

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    - combustion chamber volume (cc)
    - piston dome displacement (cc)
    - Head gasket thickness (inches)
    - Piston to deck height (inches)

    If somebody knows these specs for the XU10J4 aswell i'd love to hear them also,

    Cheers !

  2. #2
    1000+ Posts PeterT's Avatar
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    Default

    - combustion chamber volume (cc) - 40cc
    - piston dome displacement (cc) - 0, it's a flat top, valve pockets are 0.5cc each
    - Head gasket thickness (inches) - 0.056"
    - Piston to deck height (inches) - 0.016"

    '92 205 Mi16
    '90 Mi16x4

  3. #3
    Tadpole
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    Default

    Thanks Peter !
    Now let me enter that into my calculator and see what my options are ...
    Keep you guys posted ..

  4. #4
    1000+ Posts PeterT's Avatar
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    Default

    Quote Originally Posted by Downupper
    Thanks Peter !
    Now let me enter that into my calculator and see what my options are ...
    Keep you guys posted ..
    Try this one:
    http://cochise.uia.net/pkelley2/DynamicCR.html

    It does static and dynamic compression.

    '92 205 Mi16
    '90 Mi16x4

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