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Thread: Compression PSI

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  1. 09-12-2020 03:13 AM #2
    tortron
    Masters Degree

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    01-24-2017
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    New Zealand
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    1981 Mitsubishi L200
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    A deviation of 5psi between neighboring cylinders and 15psi max to min.
    anything over 100 is good. 135+ is very good. 150+ is getting into like new

    Lower than that doesnt mean its junk, if they are all pretty even then the engine should run ok, but consider a rebuild down the track

    This is done on a hot engine with dry bores
    Last edited by SubGothius; 09-14-2020 at 01:20 PM. Reason: Formatting
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