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Thread: spark plug gap

  1. #1

    Join Date
    Apr 2008
    avalon, nj

    Smile spark plug gap

    i have a 05' gtx 4 - tec. bot new NGK DCPR8E plugs. hopefully taking it out this weekend to blow out the fogging oil. if the plugs are fouled, i will replace them.

    are the plugs pre gapped from the factory? if not where should they be gapped?? .020 - .024 ??



  2. #2

    Join Date
    Jul 2005
    euxton nr chorley lancashire, england
    there already gapped from the box, unless you drop one and close it

  3. #3
    kp04rxp's Avatar
    Join Date
    Nov 2007
    Pipersville, PA
    they are gapped from the factory. I just did this yesterday and found that .28 - .30 was a good range to be in. I believe .30 is factory spec.

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