63 Ignition Shielding Clarification - NCRS Discussion Boards

63 Ignition Shielding Clarification

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  • Mel H.
    Frequent User
    • November 22, 2010
    • 92

    63 Ignition Shielding Clarification

    Trying to clarify the proper top ignition shielding cover for my Jan 63 car. I know there are 'early' and 'late' designs. Early has no cut-outs in back side for clips.. Later has cut-outs for "CARB" and "FI".

    JM says 'early' up to 7500.. then 'late'. Nolan Adams Restoration Guide Vol 2 pg 163 says 'late' shows up at 6412... then mixed til 6573.. then all had 'late' til 7500... then mixed again til 8500.. then all were 'late' with an occasional 'early'.

    Mine is 7217, so which is correct for judging? Do judges go strictly by JM.. or will Nolan's more detailed reference prevail?

    Thanks in advance to anyone who can clarify.

    Mel
  • Timothy B.
    Extremely Frequent Poster
    • April 30, 1983
    • 5177

    #2
    Re: 63 Ignition Shielding Clarification

    Mel,

    Sounds like you can flip a coin to decide, if I had to get one for #7217, I would probably get the early shield but that's just my opinion FWIW.

    Comment

    • Mel H.
      Frequent User
      • November 22, 2010
      • 92

      #3
      Re: 63 Ignition Shielding Clarification

      Thanks Tim. Guess it depends on which reference guide the judges will go by. I presume the official manual, but not sure it would make a difference in this case. Hoping some of the judges on here can chime in to give some direction.

      Mel

      Comment

      • John D.
        Extremely Frequent Poster
        • December 1, 1979
        • 5507

        #4
        Re: 63 Ignition Shielding Clarification

        Mel, Your car needs the early style. My 9900 plus 63 came with the early style.
        To repeat your car takes the early style. John

        Comment

        • Tom H.
          Extremely Frequent Poster
          • December 1, 1993
          • 3440

          #5
          Re: 63 Ignition Shielding Clarification

          That is a hard one. I've read it both ways. I'd go with the way John states. His car came that way. Hard to argue with real !!!
          Tom Hendricks
          Proud Member NCRS #23758
          NCM Founding Member # 1143
          Corvette Department Manager and
          Specialist for 27 years at BUDS Chevrolet.

          Comment

          • Loren L.
            Extremely Frequent Poster
            • April 30, 1976
            • 4104

            #6
            Re: 63 Ignition Shielding Clarification

            Forty years ago when I bought #10706, it came with the AM only, NO CLIP, top shield. The clip was NOT needed as an additional ground UNTIL the AM-FM radio came into being.

            Comment

            • Tim S.
              Very Frequent User
              • May 31, 1990
              • 697

              #7
              Re: 63 Ignition Shielding Clarification

              Does anyone have good photos of each? I am interested in the topic.

              Tim

              Comment

              • Michael H.
                Expired
                • January 29, 2008
                • 7477

                #8
                Re: 63 Ignition Shielding Clarification

                Originally posted by Loren Lundberg (912)
                Forty years ago when I bought #10706, it came with the AM only, NO CLIP, top shield. The clip was NOT needed as an additional ground UNTIL the AM-FM radio came into being.
                I agree with Loren. The shield with the CARB/FI slots in the rear panel wouldn't show up until around the same time that the new AM/FM radio was released/installed. Probably somewhere around the mid 10,000 VIN range.
                The new design shield was part of the U69 AM/FM radio package.

                Comment

                • Mel H.
                  Frequent User
                  • November 22, 2010
                  • 92

                  #9
                  Re: 63 Ignition Shielding Clarification

                  Agree Mike. Seems reasonable they'd show up about same time. But, we know new parts often showed up earlier than plan. And what do you make of Nolan Adams book saying 'late' style started showing up around 6400? By reading his book, it kinda sounds like he gathered survey info broadly and may not have been verified/validated? Seems like these reported early/late styles could have been replacements?

                  Anyway, am assuming the official 'Judging Guide' would govern such questions? It says 'early' until 7500.. then 'late'. Doesnt mention the 'mixing' referenced by NA.

                  Comment

                  • Loren L.
                    Extremely Frequent Poster
                    • April 30, 1976
                    • 4104

                    #10
                    Re: 63 Ignition Shielding Clarification

                    For further clarification, let me cite a 2/11/81 letter from Delco that states that the FIRST shipment of 73 AM-FM radios occurred in the LAST week of February; the letter also states that NO AM radios were shipped to St Louis after February.

                    Comment

                    • Edward J.
                      Extremely Frequent Poster
                      • September 15, 2008
                      • 6940

                      #11
                      Re: 63 Ignition Shielding Clarification

                      Mel, I think Mike and Loren hit the nail on the head, the AM radio cars had the earlier shielding, As my 10674 had the early shield and has a AM radio I f this is so the judging manuel may be incorrect, as I think that there are many statements in the current 63/64 edition which seem to conflict.
                      New England chapter member, 63 Convert. 327/340- Chapter/Regional/national Top Flight, 72 coupe- chapter and regional Top Flight.

                      Comment

                      • John D.
                        Extremely Frequent Poster
                        • December 1, 1979
                        • 5507

                        #12
                        Re: 63 Ignition Shielding Clarification

                        I was ashamed to tell you guys what I did concerning the distributor shield. My 63 was only judged three times and most likely won't be judged again. Meanwhile twice I was told the distributor shield was suspicious or questionable. One of the gang here said if I was serious about having the car judged I had better get the later style cover. So I went out and got one and stuck it behind the seat along with the original. My plans were to give nice judges the option (before the show started ) on which distributor shield was to their liking. Sounded like the logical thing to do especially when you are chasing the points.
                        Then Bill Clupper came along at a Pittsburgh chapter show and told me what Loren said. Bill said AM radio-no cutout, etc. AM-FM radio cutout-FI.

                        Anyhow my 63, the LWC has two shields behind the seat. Nice to have a spare.

                        Comment

                        • Loren L.
                          Extremely Frequent Poster
                          • April 30, 1976
                          • 4104

                          #13
                          Re: 63 Ignition Shielding Clarification

                          Yes, but behind the seat is a piss-poor location for either a radio or a distributor! JD, you were NOT the first guy making a sacrifice to bad information.

                          Comment

                          • Bruce D.
                            Frequent User
                            • August 31, 1980
                            • 87

                            #14
                            Re: 63 Ignition Shielding Clarification

                            Does putting the extra shield behind help much with the radio? You guys are a hoot......
                            Bruce

                            Comment

                            • Monte M.
                              Expired
                              • January 1, 1991
                              • 687

                              #15
                              Re: 63 Ignition Shielding Clarification

                              Did you ever get the pictures you requested.
                              If not, PM me with your personal e-mail, and I will send over some pictures

                              Comment

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