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  1. #1

    Join Date
    Jul 2006
    Owensboro, KY

    Denso Spark Plug Question

    Was switching the NGK plugs for the Denso IXU27's on a stage 1 RXP.... Put the Denso's in and the rubber plugs which cover the plugs once tightened won't go down over the plugs. I took pictures of the plugs side by side and I can see that the problem is the tip of the plug is different between the two.

    does the gold colored piece on the Denso's unscrew? If so, what do you use?
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  2. #2
    Moderator Snoman's Avatar
    Join Date
    Apr 2006
    South Chicagoland
    yes the tip does may need a pliers to unscrew it but thats it ..take off the caps and put them in

  3. #3
    daverxp4's Avatar
    Join Date
    Aug 2005
    what snow man said what ever you do don't hold the spark plug with any kind of tool on the ceramic part,it should unscrew pretty easy with holding the spark plug in your hand.
    good luck good choice for the plugs for the stage 1

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