Delco Distributor cap patent pending R - NCRS Discussion Boards

Delco Distributor cap patent pending R

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  • Grahame M.
    Very Frequent User
    • November 7, 2011
    • 225

    #16
    Re: Delco Distributor cap patent pending R

    Hi George,

    I had a look on Paragon's site today and saw 2 different coils, both "263". One is a restoration product from GM and the other looks like it's from K & B. Did you see any advantage in the GM resto product? The only difference i can see is that "263" is embossed on the side of the coil. It may be made by K & B for GM?

    Cheers

    Grahame
    69 427 Tri-Power 4 Speed
    Black on Black

    Comment

    • Dick W.
      Former NCRS Director Region IV
      • June 30, 1985
      • 10483

      #17
      Re: Delco Distributor cap patent pending R

      Originally posted by Paul Oslansky (18046)
      Ralph

      That subject would open a can of worms there are varying opinions of what the "R" stands for. Some folk are of the opinion that it is for registered trade mark and others think it stands for a change to a different resistor type ignition system. I am in the 2nd group the "R" is also on the boxes for both the Cap and Rotor such as D-308R and D-425R that is why I feel it is not a trade mark rather a change in the ignition system. Hope that helps.
      Dick Whittington

      Comment

      • Terry M.
        Beyond Control Poster
        • September 30, 1980
        • 15595

        #18
        Re: Delco Distributor cap patent pending R

        Has anyone cut open a cap or two to prove this? I am of the opinion that without photos it didn't happen.

        You can go over the whole or any of those caps (with and without an R) with an ohmmeter and you won't find any resistance.
        Terry

        Comment

        • George J.
          Very Frequent User
          • March 1, 1999
          • 775

          #19
          Re: Delco Distributor cap patent pending R

          Originally posted by Grahame McCann (54038)
          Hi George,

          I had a look on Paragon's site today and saw 2 different coils, both "263". One is a restoration product from GM and the other looks like it's from K & B. Did you see any advantage in the GM resto product? The only difference i can see is that "263" is embossed on the side of the coil. It may be made by K & B for GM?

          Cheers

          Grahame
          Grahame,
          I am not sure about the coils. I have only installed K & B's cap and rotor. I would not hesitate to use any of their products, though.

          George

          Comment

          • Dick W.
            Former NCRS Director Region IV
            • June 30, 1985
            • 10483

            #20
            Re: Delco Distributor cap patent pending R

            Where's Clupper when ya needs him??
            Dick Whittington

            Comment

            • G A.
              Expired
              • February 18, 2010
              • 229

              #21
              Re: Delco Distributor cap patent pending R

              It seems Terry is right, see #7 in the link below

              Comment

              • Terry M.
                Beyond Control Poster
                • September 30, 1980
                • 15595

                #22
                Re: Delco Distributor cap patent pending R

                Originally posted by Dick Whittington (8804)
                Where's Clupper when ya needs him??
                Dick,
                Bill has already put in his 2 cents -- about 1975.

                https://www.forums.ncrs.org/showthre...p-5-variations

                And no my recent drug ingestion has not improved my memory. This was one of the five "similar threads" listed at the bottom of this thread.
                Terry

                Comment

                • Mark D.
                  Extremely Frequent Poster
                  • June 30, 1988
                  • 2149

                  #23
                  Re: Delco Distributor cap patent pending R

                  Y'all quit resisting...it's registered. (Know It All)
                  Kramden

                  Comment

                  • Paul O.
                    Frequent User
                    • August 31, 1990
                    • 1716

                    #24
                    Re: Delco Distributor cap patent pending R

                    Could it be that the change in the resistance was in the overall system not just the cap. That the resistance was now internal of the wiring not mounted external. Just a thought.

                    Comment

                    • Dick W.
                      Former NCRS Director Region IV
                      • June 30, 1985
                      • 10483

                      #25
                      Re: Delco Distributor cap patent pending R

                      Originally posted by Paul Oslansky (18046)
                      Could it be that the change in the resistance was in the overall system not just the cap. That the resistance was now internal of the wiring not mounted external. Just a thought.
                      I am thinking the R caps came about about the time the extended gap rotors came about.
                      Dick Whittington

                      Comment

                      • Larry M.
                        Extremely Frequent Poster
                        • January 1, 1992
                        • 2688

                        #26
                        Re: Delco Distributor cap patent pending R

                        Originally posted by Dick Whittington (8804)
                        I am thinking the R caps came about about the time the extended gap rotors came about.
                        Yes, that is correct.

                        Larry

                        Comment

                        • Dick W.
                          Former NCRS Director Region IV
                          • June 30, 1985
                          • 10483

                          #27
                          Re: Delco Distributor cap patent pending R

                          Originally posted by Larry Mulder (20401)
                          Yes, that is correct.

                          Larry
                          AHA!​ maybe I am on to something????
                          Dick Whittington

                          Comment

                          • Terry M.
                            Beyond Control Poster
                            • September 30, 1980
                            • 15595

                            #28
                            Re: Delco Distributor cap patent pending R

                            Originally posted by Dick Whittington (8804)
                            AHA!​ maybe I am on to something????
                            The rotor is different -- not the cap. So why a need to identify a different cap? And if there was some reason to match an R cap with the "E" marked rotor (which is shorter -- not extended), why keep it a secret. There is nothing that anyone has turned up in any of the Service Manuals, TSBs, or CSNs about the R on the cap. It is an even better kept secret than the alignment of the dimple in the distributor drive gear.

                            Give it up and stop overlooking the obvious -- as I said a few years back.
                            Terry

                            Comment

                            • Paul O.
                              Frequent User
                              • August 31, 1990
                              • 1716

                              #29
                              Re: Delco Distributor cap patent pending R

                              Terry

                              Then why was the "R" added to the box identification number. The trade mark idea does not add up in that case.

                              Comment

                              • Terry M.
                                Beyond Control Poster
                                • September 30, 1980
                                • 15595

                                #30
                                Re: Delco Distributor cap patent pending R

                                Originally posted by Paul Oslansky (18046)
                                Terry

                                Then why was the "R" added to the box identification number. The trade mark idea does not add up in that case.
                                I would agree, but lawyers do make people do unusual things.

                                If R = resistor why not tell people someplace in the technical information.
                                Terry

                                Comment

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