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  • Gap on NGK Iridium Plugs

    Does anyone know what the NGK Iridiums gap is nominally set to?

    I appreciate that these plugs have a pre-set gap but checked mine before installing them today and they are all different :?

    Two of them have a gap of 0.75mm and one of them had a gap of 0.8mm and one was slightly larger still

    I don't want to install them unless I know that the gap is set correctly.

    Thanks

    Andy

  • #2
    drop 1 of the tuner's or andy16v a pm they should be able to help you mate
    sigpic
    stealth no more but beware of the silver lightning GSI with vxr power
    M.U.F.C.
    http://www.courtenaysport.co.uk/

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    • #3
      0.05 of a mm is nothing to worry about mate.

      i presume your talking about normal plugs and not iridium ones as you cant alter iridiums
      stage 2 vxr

      [email protected]

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      • #4
        Re: Gap on NGK Iridium Plugs

        Originally posted by VXRNUTTER
        Does anyone know what the NGK Iridiums gap is nominally set to?

        I appreciate that these plugs have a pre-set gap but checked mine before installing them today and they are all different :?

        Two of them have a gap of 0.75mm and one of them had a gap of 0.8mm and one was slightly larger still

        I don't want to install them unless I know that the gap is set correctly.

        Thanks

        Andy
        should be .8 but dont mess with them the std plug is.10

        www.courtenaysport.co.uk/ For all your tuning needs

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        • #5
          Well, set the gap on the NGK Iridiums to 0.8 and installed them yesterday morning.

          The improvement was immediately noticeable:

          Smoother Idle
          Better pick-up at low speed/in high gears
          Smoother engine across rev range
          Revs more freely and cleanly to red line
          Better economy (+2mpg!)

          Considering there was nothing wrong with my original plugs (or my cars' performance/engine manners) the difference is quite marked.

          Well worth the £32 IMO.

          Andy

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          • #6
            Originally posted by VXRNUTTER
            Well, set the gap on the NGK Iridiums to 0.8 and installed them yesterday morning.

            The improvement was immediately noticeable:

            Smoother Idle
            Better pick-up at low speed/in high gears
            Smoother engine across rev range
            Revs more freely and cleanly to red line
            Better economy (+2mpg!)

            Considering there was nothing wrong with my original plugs (or my cars' performance/engine manners) the difference is quite marked.

            Well worth the £32 IMO.

            Andy
            Thanks for the info nutter, i was considering having these fitted on my first service at thorneys, but now you have made my mind up! , i will definately put them in

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