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Thread: spark plugs

  1. #1
    Junior Member SHOW GUEST
    Join Date
    Jul 2007

    spark plugs

    I am running a 572 with a 1150 holley, msd ingnition my front two plugs number 2 and 8 cylinders are black as coal and almost look wet all the other plugs are burning fine. I also am losing almost a second on time. I would appreciate the input. Hal

  2. #2
    Senior Member MASTER BUILDER
    Join Date
    Dec 2003
    Maybe an intake seal problem.. Could be sucking oil through the gasket...

    You can also do a leak down test on those cyds also...

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