Thread: Spark plug gap

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  1. #1 Spark plug gap 
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    Currently I run autolite 605s pregapped at .60, picked up a set of msd coil packs for basically nuthing when I put them on i bogged out when floored. My question is I'm reading most boosted applications gap are .30 ish should I decrease mine or what are other people running?
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  2. #2 Re: Spark plug gap 
    Killa Bee Scottydoggs's Avatar
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    mds coils dont work so well all the time. put the stock coils back on, bet it runs fine again.

    unless you cross a plug wire of course.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  3. #3 Re: Spark plug gap 
    GrandPrix Junkie SgtMarshal's Avatar
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    stock plug gap is like .055, which is huge. .030 is too small. I run mine smaller than most at like .045.
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  4. #4 Re: Spark plug gap 
    Killa Bee Scottydoggs's Avatar
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    if your stock 060 is stock, you could do 58 tho.

    i run 52 with a load of bolt ons.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  5. #5 Re: Spark plug gap 
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    Yeah it's running fine agian but it still has a slight miss in the higher wot maybe I should put the 606s back in and gap to .55 or .50
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