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Thread: sparkplugs for GT40 heads?

  1. 04-28-2003, 08:50 PM #1
    RydeOn
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    sparkplugs for GT40 heads?

    you guys are probably gonna ask me to do a search but ive looked all over the internet and cant find the info i need. i figgered somebody here has got to know. my car has got a bone stock 93 cobra motor with a NOVI 1000 just installed. people keep reccomending the autolite 39xx plugs but to my understanding they are not designed for the GT40 iron heads. so exactly what plugs do i need for my application?
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  2. 04-28-2003, 10:55 PM #2
    Redsnk95
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    Autolite 763s or 764s. Or get some Motorcraft 32c's. I haven't had GT40s on my car in about 3 years....my mind is gone :).

    Troy
    1995 Mustang Cobra
    302-10.77 @ 127.76
    new motor being built
    redsnk@yahoo.com

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  3. 04-28-2003, 11:52 PM #3
    Readyross
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    does denso iradium plugs make some to fit gt40?
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  4. 04-29-2003, 12:22 AM #4
    5LVENOM
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    I use NGKs 2 ranges cooler, can't remember the # right now.
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  5. 04-29-2003, 03:56 PM #5
    RydeOn
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    Originally posted by 5LVENOM
    I use NGKs 2 ranges cooler, can't remember the # right now.
    you must be talking about the NGK TR6, i assume? i picked some of them up today. thanks yall
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