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  1. #1
    Join Date
    May 2006

    Default "I have read it can be done bo

    "I have read it can be done both ways and I have always done with warm engine, throttle open and all the plugs in except cylinder I am testing.

    What type of difference will thus produce over all plugs out?

    Can someone please post the proper procedure step by step?


  2. #2
    Join Date
    Dec 2006
    Chaumont Bay, N.y., USA

    Default "Ayuh,.... You'll get B


    You'll get Better readings with All the plugs Out....Just because the motor will spin faster....
    It's All about Consistency, more than the actual #s....."
    Any Grease is Better,... Than No grease at All....

  3. #3
    Join Date
    Jul 2006

    Default The standard way to check comp

    The standard way to check compression is to remove all plugs.

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