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Thread: How do you know when you gapped your spark plugs to much?
          
   
   

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  1. #1
    BigTruckDriver is offline CHR Member/Contributor Visit my Photo Gallery
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    How do you know when you gapped your spark plugs to much?

     



    Well , I think I found out but not sure. I have a performance ignition module and a MSD coil and was told I could do 55-60 gap on the plugs. Well if 55 is good I will do 60. It idles smooth and get up to rpms perfect. My problem is about 3000 rpm if I let of the gas quick it will shut off when the rpms are coming back down. What you guys think? I think I might of passed the sweet spot just a hair.
    Friends dont let friends drive fords!

  2. #2
    bigdude's Avatar
    bigdude is offline CHR Member Visit my Photo Gallery
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  3. #3
    BigTruckDriver is offline CHR Member/Contributor Visit my Photo Gallery
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    I see that. It cleared up. Runs smooth now.
    Friends dont let friends drive fords!

  4. #4
    firebird77clone's Avatar
    firebird77clone is offline CHR Member Visit my Photo Gallery
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    when power drops off, you gapped too high. 55-60 is fine for a high performance ignition. It will, however, burn your distributor cap terminals quicker.
    .
    Education is expensive. Keep that in mind, and you'll never be terribly upset when a project goes awry.
    EG

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