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Thread: Black Plugs

  1. #1

    Join Date
    Jan 2006
    Lake of the Ozarks

    Black Plugs

    Just pulled my plugs today. They are pretty black. On the efi, do I just want to lean up top speed (3)?

  2. #2
    WATER WOODY's Avatar
    Join Date
    Aug 2005
    Minden, Nevada, United States
    Tune with your 'aftermarket' tach,not the plugs.

  3. #3
    All hail the Chief! fullboogie's Avatar
    Join Date
    Nov 2005
    You plugs may look black after idling for a while. Make sure you check them during a WOT run and doing a plug chop.

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