Thread: What plugs for my car?

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  1. #1 What plugs for my car? 
    GT Level Member Brammer's Avatar
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    MY 2002 GTP with 125k on the clock is due for a tune up. I think when I did the LIM job two years ago when I bought it I popped in stock heat range coppers. The car is bone stock aside from a hot air intake, would I be best off with the stock AC Delco 41-101 plugs or should I run copper, and if so, which ones?
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  2. #2 Re: What plugs for my car? 
    GTP Level Member Tonkin2000GT's Avatar
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    Autolite 104's run the best


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    00 Grand Prix GT, top swapped, .020 FMP, GT1 Cam, SFI Crank pulley, SSM90, 3.3 MPS, ZZP ported Gen 3/LIM, ported heads, #90's, N* TB, SLP Intake/Headers/Catback, F-body brakes, KYB AGX, Aeroforce, AEM, 93 octane.
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  3. #3 Re: What plugs for my car? 
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    Quote Originally Posted by Tonkin2000GT View Post
    Autolite 104's run the best


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    I'd like some fact checks there.

    That's wrong.

    Stock~ car.

    Stock pulley.

    AL605's gapped at .050". Done and done. Shut case, Johnson.

    Also: delete your U-Bend at least for christs sake. That's the problem more than anything.
    2012 Buick Regal Premium1 Turbo - White Diamond Tri-coat - 20% Tint - 5k HID Head/Fog Lights - ZZP CAI
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  4. #4 Re: What plugs for my car? 
    GXP Level Member GTPpower's Avatar
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    E3's!!!!!


    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
    2005 F350 6.0 - studded, deleted, tuned
    2001 GTP - cam, headers, nitrous, stock trans - 11.83 @ 116 <$2k in mods - sold
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  5. #5 Re: What plugs for my car? 
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    Quote Originally Posted by GTPpower View Post
    E3's!!!!!
    Bro, have you had Bosch +4's?

    Crazy sparks.
    2012 Buick Regal Premium1 Turbo - White Diamond Tri-coat - 20% Tint - 5k HID Head/Fog Lights - ZZP CAI
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  6. #6 Re: What plugs for my car? 
    GXP Level Member GTPpower's Avatar
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    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
    2005 F350 6.0 - studded, deleted, tuned
    2001 GTP - cam, headers, nitrous, stock trans - 11.83 @ 116 <$2k in mods - sold
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  7. #7 Re: What plugs for my car? 
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    TR55's are good and are 2 heat ranges cooler ( i think), if you want the best and you're gonna start modding i think tr6's are great.
    99 GTP: DIY FWI-3in CDP-rez del-plog-napa spark wires COME ON WILL I WANT MY TUNE!!!!!!<3 Intercooling next
    <3 PROUDLY Canadian / PROUDLY Austrian "Look, Gasoline's perfectly safe.....until you introduce ol Orange."


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