69 427 spark plug recommendations - NCRS Discussion Boards

69 427 spark plug recommendations

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  • Brad H.
    Expired
    • January 27, 2009
    • 250

    69 427 spark plug recommendations

    Guys,
    I have a 69 427/390 and I'm hoping some of you might have recommendations on spark plugs for non-judged driving. I can install the correct ACs for judging, but I would like to drive this car some so your thoughts on the best currently available spark plugs would be greatly appreciated. Anyone think the newer Rapid Fire AC plugs are any good for normal driving vs. conventional plugs?
    Thanks as always,
    Brad
  • Richard M.
    Expired
    • April 1, 1993
    • 198

    #2
    Re: 69 427 spark plug recommendations

    Brad,
    Being very familar with the L36, I know what plug fouling problems can be incountered, that being said I recommend
    moving up a couple of heat ranges from the stock 43 to 45's, that would help you the most, using Rapid Fire's with the same heat range of the 45's should be fine.

    Richard

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    • Joe L.
      Beyond Control Poster
      • February 1, 1988
      • 43193

      #3
      Re: 69 427 spark plug recommendations

      Originally posted by Brad Hood (49930)
      Guys,
      I have a 69 427/390 and I'm hoping some of you might have recommendations on spark plugs for non-judged driving. I can install the correct ACs for judging, but I would like to drive this car some so your thoughts on the best currently available spark plugs would be greatly appreciated. Anyone think the newer Rapid Fire AC plugs are any good for normal driving vs. conventional plugs?
      Thanks as always,
      Brad
      Brad------


      Champion RN5C.
      In Appreciation of John Hinckley

      Comment

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