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Plug gap

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dj
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2012/11/26 15:17:49 (permalink)
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Plug gap

Plug gap using Champion Iridium plugs for gen 3 3sgte can any one help. Car is boosted to 17 psi and is a road licencensd track car.
#1


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    MRTurbo
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    Re:Plug gap 2012/11/26 15:23:50 (permalink)
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    i thought you usually don't 'gap' Iridiums as the centre electrode is very thin and fragile?

    1990 SW20 GT 3S-GTE Targa
    2001 Honda CBR600F4i

    #2
    dj
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    Re:Plug gap 2012/11/26 15:51:38 (permalink)
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    So is there no adjustment at all?
    #3

    MRTurbo
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    Re:Plug gap 2012/11/26 15:56:06 (permalink)
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    well you CAN do it with the right tool(s) but don't put anything between the centre and ground electrode... 

    1990 SW20 GT 3S-GTE Targa
    2001 Honda CBR600F4i

    #4
    Reddtarga
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    Re:Plug gap 2012/11/26 16:01:04 (permalink)
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    +1
    You need to carefully bend the outer electrode without touching the center electrode so best to use the special attachment that many plug gap feeler gauges have. 
     
     For the stock turbo and NA the manual says 0.8 mm (.031")  for Platinum's, so I assume Iridium's should be the same.
    My last set of Iridium's had about 1.5 mm gap when new out of the box, so definitely needed adjusting.
     
     
    .

    1990 ADM NA
     
     
     
     
     
     
    #5
    dj
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    Re:Plug gap 2012/11/26 16:10:19 (permalink)
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    Is 8 mm ok when your boosted at a higher rate than standard. Will they handle hitting the rev limiter

    #6

    Reddtarga
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    Re:Plug gap 2012/11/26 16:27:04 (permalink)
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    Sorry, I've no idea but I'm sure someone on here will know.

    1990 ADM NA
     
     
     
     
     
     
    #7
    dj
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    Re:Plug gap 2012/11/27 13:03:25 (permalink)
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    Thanks Reddtarga ill go with 0.8 and see how it go's
    #8
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