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  1. 08-03-2004 05:13 PM #1
    Quattrophile
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    2008 Infiniti G37S
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    Can someone diagnose this spark plug.....

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    ....and let me know if Im running lean or rich. I have a 1.8T engine with GIAC 1.4 bar chip. I know these are crappy pics. The plugs are NGK copper that were gapped at .32

    AKA: 408_B6A4
    http://photos.e46fanatics.com/upload...ile_sig2_1.jpg
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  2. 08-03-2004 05:17 PM #2
    fongaroos
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    hows the 1.4 chip?

    must feel freakin fast!!!
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  3. 08-03-2004 05:30 PM #3
    Quattrophile
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    2008 Infiniti G37S
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    Its pulls pretty good in 1st and 2nd....but after that its just like the 1.1 bar.
    AKA: 408_B6A4
    http://photos.e46fanatics.com/upload...ile_sig2_1.jpg
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  4. 08-03-2004 05:48 PM #4
    fongaroos
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    how much boost are you pushin in 1 and 2nd?
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  5. 08-03-2004 05:50 PM #5
    Oettinger
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    1st pic looks normal but the second pic shows that its a bit on the lean side. Can someone confirm this as well?
    Laurence
    2018 BMW M2 Long Beach Blue and 2021 Audi SQ5 Mythos Black.
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  6. 08-03-2004 05:53 PM #6
    zemun2
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    '04 A4 1.8t FWD APR Tuned
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    Zemun, Serbia.

    Originally posted by Oettinger
    1st pic looks normal but the second pic shows that its a bit on the lean side. Can someone confirm this as well?
    Thats what it looks like to me.
    1st one OK, 2nd one leanish
    APR Tuned Serbia
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  7. 08-03-2004 05:56 PM #7
    Tim0s002
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    03 A4 Dolphin Gray
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    So CAL

    can you guys elaborate as to why the 1st is ok and the 2nd looks like he's runnin lean?? TIA
    http://myamericanheartrock.com/damme20dance.jpg
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  8. 08-03-2004 06:03 PM #8
    zemun2
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    Originally posted by Tim0s002
    can you guys elaborate as to why the 1st is ok and the 2nd looks like he's runnin lean?? TIA
    Brownish plug tip means good A/F mix, whitish means les fuel that normal.
    APR Tuned Serbia
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  9. 08-03-2004 06:09 PM #9
    Tim0s002
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    hmm, Im gonna check out my spark plugs. Thanks Zemun for your quick response
    http://myamericanheartrock.com/damme20dance.jpg
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  10. 08-03-2004 06:12 PM #10
    zemun2
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    '04 A4 1.8t FWD APR Tuned
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    Originally posted by Tim0s002
    hmm, Im gonna check out my spark plugs. Thanks Zemun for your quick response
    Welcome
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  12. 08-03-2004 06:26 PM #11
    Elberoth
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    1990 Ferrari Testarossa
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    The second one is def too lean by wide marigin.
    The first pic is to fuzzy to tell.

    In general, the plugs should have some black coating, but not much.
    2021 Audi R8
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