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spark plugs with larger gap

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rallyrs
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2012/06/16 21:54:18 (permalink)
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spark plugs with larger gap

i've been searching catalogs and cant seem to find too many plug optons. I'm after a pinto plug , 18mm thread size. It has to be resistive for my ecu with gaps larger than the 0.8mm standard. What do others run with electronic dissies, megajoult or full ecu controlled coilpacks
 
 I run ngk apr6fs gapped to 1.0mm. I am reluctant to go beyond 1.0mm with these plugs as the ground electode no longer covers the centre electode.  

mk2 2dr club car. pinto, stage 1 valves, rl31 cam, gsxr 600 tb running  MS2 extra. :-)))
#1


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    Mk1 Lotus
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    Re:spark plugs with larger gap 2012/06/17 13:32:36 (permalink)
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    I can supply you a kit to take thread down to 12mm for use with an irdium plug set at 1.1mm
    #2
    rallyrs
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    Re:spark plugs with larger gap 2012/06/18 18:00:14 (permalink)
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    this sounds like a good option as I cant find suitable 18mm plugs. how are they fitted, to the plug or into the head. what is the iridium plug number to use?

    mk2 2dr club car. pinto, stage 1 valves, rl31 cam, gsxr 600 tb running  MS2 extra. :-)))
    #3

    Mk1 Lotus
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    Re:spark plugs with larger gap 2012/06/19 22:36:39 (permalink)
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    Insert fitted to head - threaded insert with hex and conical seat.
     
    Plug fitted to insert.
    #4
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