Thread: spark plug gap?

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  1. #1 spark plug gap? 
    jman44
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    Default 06-03-2013
    i have to do a tune up on my 99 gtp and i am getting ngk tr6 and 10.5 mm wires. i am wondering what gap to set the plugs? Thanks
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  2. #2 Re: spark plug gap? 
    Fivefingerdeathpunch
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    Default 06-03-2013
    .055 to .060

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  3. #3 Re: spark plug gap? 
    jman44
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    Default 06-03-2013
    thanks!
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  4. #4 Re: spark plug gap? 
    DirtDog
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    Default 06-03-2013
    Are the NGK TR6ix even suitable for ur car? That's what I run in my GXP and their a heat range cooler for mine...and I talked them at .035

    Just curious. I like the info
    http://www.grandprixforums.net/my-06-gp-gxp-72403.html
    OBX headers, TEP tranny cooler, ls1 IM fuel rails and injectors, ls2 TB, ls7 MAF, full custom exhaust, Quad retro headlights, full out front and rear suspension work, tuned by HPT by me 8====>

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  5. #5 Re: spark plug gap? 
    dsmuts
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    Default 06-04-2013
    .035 is way too small
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  6. #6 Re: spark plug gap? 
    DirtDog
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    Default 06-04-2013
    Quote Originally Posted by dsmuts View Post
    .035 is way too small
    Well for the v6 yes but I mean I didn't think the tr6 were the same heat range as stock on them
    http://www.grandprixforums.net/my-06-gp-gxp-72403.html
    OBX headers, TEP tranny cooler, ls1 IM fuel rails and injectors, ls2 TB, ls7 MAF, full custom exhaust, Quad retro headlights, full out front and rear suspension work, tuned by HPT by me 8====>

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