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1957 ignition coil

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  • ss396t6
    Apprentice
    • Oct 21 2014
    • 63

    1957 ignition coil

    I think I read that OEM 12V ignition coils for early Thunderbirds had yellow tops. Will any of the yellow top 12V ignition coils work for a 1957?

    Thanks,
    Scott
  • simplyconnected
    Administrator
    • May 26 2009
    • 8779

    #2
    Yes. Be advised that some 12volt coils have an internal resistance. The markings are normally stamped on the bottom of the coil.

    If your coil has no internal resistance you will need a ballast resistor. Coils that need more resistance usually get hot to the touch, so hot that you cannot hold it.
    Member, Sons of the American Revolution

    CLICK HERE to see my custom hydraulic roller 390 FE build.

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    • jopizz
      Super-Experienced


      • Nov 23 2009
      • 8317

      #3
      The correct coils will say "USE WITH EXTERNAL RESISTOR" on the label.

      John
      John Pizzi - Squarebirds Administrator

      Thunderbird Registry #36223
      jopizz@squarebirds.org 856-779-9695

      https://www.squarebirds.org/picture_gallery/TechnicalResourceLibrary/trl.htm

      Comment

      • ss396t6
        Apprentice
        • Oct 21 2014
        • 63

        #4
        Thanks, you all!

        In a previous post I had a radiator issue that ended up only costing me $100. I was fearing I was going to have to replace it or have it recored. It was two leaks on the tank. It was discovered to be a heavy duty four core.

        Comment

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