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compression test of 240-270 any good

Discussion in 'Engine Building' started by shaneb, Sep 19, 2004.

  1. shaneb

    shaneb Member

    Likes Received:
    Jun 11, 2003
    Compression test i did today was about 240 with about 5 cranks and 270 with about 9 cranks . is this good for a cr of 12.2 , i had open throttle and the ecu fusse unpluged..and i also nocied that my plugs are yellow , anyone know what yellow means?? thanx for any help
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