Spark Plugs - Champion C-7, #7 in knucklehead?

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  • cburrows
    New Member
    • May 2014
    • 5
    #1

    Spark Plugs - Champion C-7, #7 in knucklehead?

    I know many people use H16 champion spark plugs in a Knucklehead engine. Any experience running vintage champion C –7 or vintage champion #7 spark plugs?
    Tags: None
    • Saddletramp
      New Old Member
      • Aug 2011
      • 114
      #2
      I always ran J12Y's in the panhead. And the same Chevrolet points and condenser as well. Never had a problem with either. Rubone was right. No resistor plugs.
      Last edited by Saddletramp; 06-10-2025, 12:20 AM.

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        • Jerry Wieland
          Senior Member
          • Jan 2006
          • 2007
          #3
          In Knuckleheads I use C86 AC or 386 Autolite. I never use Champions.

          Jerry

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