Which coil is correct- '63 w/340HP??? - NCRS Discussion Boards

Which coil is correct- '63 w/340HP???

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  • Bill D.
    Expired
    • January 1, 1985
    • 76

    Which coil is correct- '63 w/340HP???

    I have a '63 with 340 HP and serial #7883 (end of Jan). Should I purchase an 087 or an 091 ignition coil to be correct. My old judging manual does not have any info on changeover VIN or date. Thanks for any info you can give me.
  • Donald L.
    Very Frequent User
    • September 30, 1998
    • 461

    #2
    Re: Which coil is correct- '63 w/340HP???

    From what Ive read the 091 coil was used on all solid lifter engines in the 63 model year. The 087 coil supersede the 091 sometime mid year in 250-300 hp engines.

    Comment

    • Tracy C.
      Expired
      • July 31, 2003
      • 2739

      #3
      Re: Which coil is correct- '63 w/340HP???

      Bill,

      You need the 091 coil and a new 5th edition 63/4 J/G. Many of the errors were cleaned up with that release.

      tc

      Comment

      • Duke W.
        Beyond Control Poster
        • January 1, 1993
        • 15661

        #4
        Re: Which coil is correct- '63 w/340HP???

        Originally posted by Donald Ling (31176)
        From what Ive read the 091 coil was used on all solid lifter engines in the 63 model year. The 087 coil supersede the 091 sometime mid year in 250-300 hp engines.
        Correct. Also, the 091 coil was mated to the 0.3 ohm ballast and the 087 to the 1.8 ohm.

        The 091 coil/0.3 ohm ballast have a propensity to burn points, particularly in cold weather.

        Duke

        Comment

        • Bill D.
          Expired
          • January 1, 1985
          • 76

          #5
          Re: Which coil is correct- '63 w/340HP???

          Thank you all very much for your knowledge and help! I will also check the ballast resistor.

          Bill

          Comment

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