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NGK copper plugs

Discussion in 'Engine and Transmission' started by Mafix, Oct 31, 2009.

  1. Mafix

    Mafix Owner Staff Member Administrator Donated!

    simple and cheap. great variation in heat ranges. easy to gap. great for boost!
  2. Mafix

    Mafix Owner Staff Member Administrator Donated!

    i should note the life expectancy of these is not good. about 9000 miles in an unmodified GTE.
  3. Alwayzsidewayz

    Alwayzsidewayz ST162 Guru Donated!

    I use these too, great value plugs, but on a modified engine, look to change them frequently, I swap mine out every other race meet. But at less than £10 for a full set its worth it. Certainly they do as well as the £40 Irridums I used to use.
  4. Jamezzy

    Jamezzy Well-Known Member Donated!

    It's certainly worth it, I use these everytime I replace the sparkplugs. Some employees at stores refer me to other expensive spark plugs(probably for more revenue), but I recommend these. Exceptional with regular use, and looking other posts here, looks like it can do with racing use if need be. But for regular use, I don't see any reason why you shouldn't get this plugs.

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