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Thread: Spark Plugs?

  1. #1
    Senior SCH Member Trey's Avatar
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    Spark Plugs?

    What kind of plugs do you guys run and what gaps do you find work best? Just trying to see what everyone else uses.:)
    1998 GT
    S-Trim
    DSS Forged Short Block
    PIs
    Murillo Tuned
    347hp 354ft/lb

  2. #2
    Banned by Admin
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    NGKs, can't remember the part # off the top of my head, but they're 2 heat ranges cooler than stock. Gapped @ .32-.35

  3. #3
    Junior SCH Member
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    NGK TR6 or Autolite 764 gapped at .035"

    Jerome
    96 Cobra
    Rebuilt Motor
    Vortech S Trim with 3.12" pulley
    Full Saleen Body Kit
    Few other things...
    SAE Corrected 510rwhp 446rwt
    11.926 ET @119.88 mph 1.978 60FT

  4. #4
    Autolite, whatever AFR heads recomended and then 1 heat range cooler. Gapped at 35
    You Must Be Fast, Cause You Were Flyin When I Passed You!


  5. #5
    Mike @ Dallas Mustang
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    Originally posted by 5LVENOM
    NGKs, can't remember the part # off the top of my head, but they're 2 heat ranges cooler than stock. Gapped @ .32-.35
    Same.

  6. #6
    NGK TR6's Gapped at .35

    Razor.
    2001 Cobra #719
    MODS: Vortech S-Trim, Aftercooler, Mini Race Bypass Valve, AFM Power Pipe, 90m.m. LMAF, 42# Injectors, Superchips Chip, 03 Cobra Fuel Pump, Trunk Mount Battery, Auto Meter Gauges, Solid Axle Swap, 4:10 Gears, O/R H-Pipe, Mac Cat-Back, Flowpath Mufflers, Pro 5.0 Shifter, Mac Subframe Connectors, D/S Safety Loop, McLeod Clutch, Steeda Sport Springs, Moser 31 Spline Axles, Eaton Posi, Granatelli Upper & Lower Control Arms, AFS 2003 Chrome Cobra Wheels (17x9, 17x10.5), 315/35/17 Nitto DR's.
    Dyno: 496 RWHP. & 422 RWT. (SAE Corrected)
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    ww.ModularFords.com -4V Forum Moderator

  7. #7
    Banned by Admin root's Avatar
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    Autolite 3923 @ .35

    Ian

  8. #8
    SCH Member
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    Originally posted by novipower
    Autolite 3923 @ .35

    Ian
    Same here. I'm thinking about going back to the 3924's and see how they work with the new motor.
    93 LX
    R331/AFR 205/Vic 5.0/? psi

  9. #9
    Senior SCH Member Trey's Avatar
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    Cool thanks guys. I use Autolite 3922s.

    Trey
    1998 GT
    S-Trim
    DSS Forged Short Block
    PIs
    Murillo Tuned
    347hp 354ft/lb

  10. #10
    Senior SCH Member
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    Jan 2003
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    110
    Autolite AR3923

    .35
    --
    93 GT

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