Advice Needed on C2 Ignition Coil - NCRS Discussion Boards

Advice Needed on C2 Ignition Coil

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  • David W.
    Very Frequent User
    • December 1, 1999
    • 272

    Advice Needed on C2 Ignition Coil

    My '64 driver is not ready for judging yet although will likely be in a year or two. Having too much fine driving it now. In anticipation of having the car eventually flight judged, I am gradually returning parts back to their original configuration. The present coil is some odd looking light tan piece that although appears to be working fine is just plain ugly. Even though the shielding hides it, it bugs me. I want to return to an original Delco. Can someone provide me the Delco coil # that would be best for my car. It's a 327/365 hp engine. Also, I saw in one Corvette supplier catalog a Delco coil but said it must be used with an external coil resistor. Can someone shed some light on that as well. Thanks, David
  • William C.
    NCRS Past President
    • May 31, 1975
    • 6037

    #2
    Re: Advice Needed on C2 Ignition Coil

    All C-2 Corvettes except those equipped with TI used an external resistor in series with the coil primary winding. The puropse is to drop the operating voltage at the coil to a lower level during normal operation to reduce the temperature rise in the coil and extend it's life. There is a circuit in the wiring to bypass this resistor during starting whcih is a feature of every GM car fo as long as I can remember. The correct coil for a '64 365hp engine is the "091" coil (1115091) which is difficult to find as NOS but is available in reproduction.
    Bill Clupper #618

    Comment

    • David W.
      Very Frequent User
      • December 1, 1999
      • 272

      #3
      Re: Advice Needed on C2 Ignition Coil

      After reading your response I pulled that catalogue back out. I didn't realize that the white 'block' on the firewall was the resistor, I was thinking it was something mounted on the coil which didn't make sense to me. Now I get it. But back to my original post, if I don't want to spend the extra cash for a '091' repro but want to instead stick with a genuine Delco coil that migh not have the same markings, what part number should I be looking for. Or perhaps there isn't much difference in price between the two (doubtful). I'll look up the 091 to see how much they are. I assume the 091 is not exact and would result in some sort of a deduct anyway. Is that a safe assumption? Thanks for the info.

      Comment

      • William C.
        NCRS Past President
        • May 31, 1975
        • 6037

        #4
        Re: Advice Needed on C2 Ignition Coil

        The service coils was the "202" coil used in 1965-67, and I beleive a version is ttill sold under the AC-Delco trademark by GM, but they are not built on the original tooling and do not look much like the originals. Good used coils are an alternative as the 202 had broad pasenger car application also.
        Bill Clupper #618

        Comment

        • Rick A.
          Extremely Frequent Poster
          • July 31, 2002
          • 2147

          #5
          Re: Advice Needed on C2 Ignition Coil

          check with GOAT HILL out of California
          Rick Aleshire
          2016 Ebony C7R Z06 "ROSA"

          Comment

          • Christopher R.
            Extremely Frequent Poster
            • March 31, 1975
            • 1599

            #6
            Re: Advice Needed on C2 Ignition Coil

            If it's the "091" coil you need (and I believe this is the case), Goat Hill and the other usual Corvette vendors sell them. Don't know how well they judge. They are approximately $125. I believe Goat Hill has the best prices, but check the other vendors too. Sometimes if you're buying other parts, the total price of which exceeds some dollar value, you get a discount. Some people have reported problems with Goat Hill deliveries in the past. But I haven't heard much lately.

            Delco still sells a service replacement coil for this application. Looks close to the original. Doesn't say "091" on it. Does say "Delco" on it. Does say made in someplace other than the USA on it. Something odd about a part that says, "Made in Mexico" or "Made in China" on a Corvette. Around $30. Your FLAPS, Jegs, and Summit will also have plain black coils for around $30.

            Comment

            • Mike M.
              NCRS Past President
              • May 31, 1974
              • 8365

              #7
              Re: Advice Needed on C2 Ignition Coil

              Your local junk yard should have old delco coils off gm cars and trucks of the 60's.You'll probably not find a 091 but nearly all delco's of the 60's will substitute adequatly(don't get on off a TI equipped 60's gm.) mike

              Comment

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

                #8
                Re: Advice Needed on C2 Ignition Coil

                Chris and David------

                The reproduction coils manufactured and sold by Goat Hill include a reproduction "can" with appropriate embossing, new innerds, and a "reclaimed" original Delco top/tower section. All of this is assembled with new seals.
                In Appreciation of John Hinckley

                Comment

                • mromano

                  #9
                  Repro vs. Real Deal

                  A repro is a repro.
                  A real deal is a real deal.

                  Wonder where I learned that!!!!!!
                  A good judge can tell.
                  just my $.02
                  mromano

                  Comment

                  • Brian McHale

                    #10
                    MRomano any relation to Pasta? *NM*

                    Comment

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