Help with alternator for 63 - NCRS Discussion Boards

Help with alternator for 63

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  • Joe R.
    Extremely Frequent Poster
    • July 31, 1976
    • 4550

    #16
    Re: Help with alternator for 63

    Chuck,

    The only cases I have that doesn't have the hole at 9 is an earlier cases dated 2H31 and 2H3. All the other cases not dated have the hole at 9.
    By any chance is the case shown in your pic rear dated?

    JR

    Comment

    • Chuck G.
      Extremely Frequent Poster
      • May 31, 1982
      • 2034

      #17
      Re: Help with alternator for 63

      Originally posted by Joe Ray (1011)
      Chuck,

      The only cases I have that doesn't have the hole at 9 is an earlier cases dated 2H31 and 2H3. All the other cases not dated have the hole at 9.
      By any chance is the case shown in your pic rear dated?

      JR
      That the real original alternator on my 63, JR. It's stamped on the front.... dated 3 E 23.

      I've seen a lot of later (63 dated) alternators with stamps on the front and the "slotted" rear half.

      Chuck
      1963 Corvette Conv. 327/360 NCRS Top Flight
      2006 Corvette Conv. Velocity Yellow NCRS Top Flight
      1956 Chevy Sedan. 350/4 Speed Hot Rod

      Comment

      • Joe R.
        Extremely Frequent Poster
        • July 31, 1976
        • 4550

        #18
        Re: Help with alternator for 63

        Chuck,

        Just wondering about the hole at 9!

        Was there a correlation between the earlier rear dated alternators and the front dated ones.

        JR

        Comment

        • Harry S.
          Extremely Frequent Poster
          • July 31, 2002
          • 5293

          #19
          Re: Help with alternator for 63

          I believe I have the original on my April car, dated 3C27. It's not rear dated and no hole.


          Comment

          • Chuck G.
            Extremely Frequent Poster
            • May 31, 1982
            • 2034

            #20
            Re: Help with alternator for 63

            Originally posted by Joe Ray (1011)
            Chuck,

            Just wondering about the hole at 9!

            Was there a correlation between the earlier rear dated alternators and the front dated ones.

            JR
            Don't know, JR.

            I though ALL 63 alternators that are clocked "straight up" didn't have the hole. No need, for the hole, as the wiring harness routs differently
            1963 Corvette Conv. 327/360 NCRS Top Flight
            2006 Corvette Conv. Velocity Yellow NCRS Top Flight
            1956 Chevy Sedan. 350/4 Speed Hot Rod

            Comment

            • Joe R.
              Extremely Frequent Poster
              • July 31, 1976
              • 4550

              #21
              Re: Help with alternator for 63

              Chuck,

              As you know the early 63's routed the wiring harness lower and later 63's routed the wiring harness higher. Even though passenger cars had the 628 alternator, it was not used for the 64 Corvette unless there were some real early 64's with a 628. The spec guide shows that possibility.
              Maybe Hanson can shed some light on this subject. Somebody wake him up!

              JR

              JR

              Comment

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

                #22
                Re: Help with alternator for 63

                Originally posted by Chuck Gongloff (5629)
                Don't know, JR.

                I though ALL 63 alternators that are clocked "straight up" didn't have the hole. No need, for the hole, as the wiring harness routs differently
                Dr Chuck

                I agree, no hole for any 63 alternators.

                The hole 1st appeared for intro of 64 production when the new 64 wiring harness included a plastic snap in gizmo that fit into the hole.

                Comment

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

                  #23
                  Re: Help with alternator for 63

                  Here's the back of an NOS 63 alternator. Only a slot, no hole.

                  Oh, and by the way... the stator plates between the housings are painted BLACK !! (not carmel colored as some think)
                  Attached Files

                  Comment

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

                    #24
                    Re: Help with alternator for 63

                    Originally posted by Joe Lucia (12484)
                    Don------


                    With these alternators, it's all about the case halves. The guts from just about any DN-series alternator can be installed. Keep in mind, though, that you want the guts from an equally amp-rated alternator if the alternator is to perform like the original.

                    As far as building one from the pieces, it's quite easy. The procedure is as described in the factory service manual except that all you'll be doing is the assembly without dis-assembly.
                    Base alternator output can usually be increased merely by using the stator coil for the higher amp alternator that was used for C60 models, but one should audit the wiring to ensure that it will handle the additional output.

                    Beyond this, there's no point increasing output unless you have added more electrical accessories that reduce system voltage at idle.

                    Duke

                    Comment

                    • Wayne M.
                      Expired
                      • March 1, 1980
                      • 6414

                      #25
                      Re: Help with alternator for 63

                      Originally posted by Duke Williams (22045)
                      Base alternator output can usually be increased merely by using the stator coil for the higher amp alternator that was used for C60 models, but one should audit the wiring to ensure that it will handle the additional output. ....
                      I believe the 37 amp stator was only a production item. In service, (according to parts books) the only available was the 42 amp, so that's what you got from the General.

                      Comment

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

                        #26
                        Re: Help with alternator for 63

                        Originally posted by Wayne Midkiff (3437)
                        I believe the 37 amp stator was only a production item. In service, (according to parts books) the only available was the 42 amp, so that's what you got from the General.
                        Wayne

                        I think you are right.

                        Comment

                        • Stan E.
                          Very Frequent User
                          • April 30, 1991
                          • 383

                          #27
                          Re: Help with alternator for 63

                          Ken Bruno is the go to guy for this. www.kenbrunomotorsports.com He is the answer!

                          Comment

                          • Donald A.
                            Expired
                            • January 7, 2013
                            • 239

                            #28
                            Re: Help with alternator for 63

                            Thanks all for the replies and education. Clearly I was sold an incorrect part for the rear housing. I talked with the guy and he will gladly refund.

                            That puts me back at having a correct front housing core, a working unit on the car that is not correct and missing a correct rear housing.

                            If anyone has a good core 63 rear housing please send me a note.

                            Best

                            Comment

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

                              #29
                              Re: Help with alternator for 63

                              Don, My 63 Late Feb car has the orignal alternator and no hole.
                              To really do a first class job on the "bare" cases you need to have them refinished before assembly. After assembly forget it. Don't forget that the stator should be black. Not marble.
                              Then the hardware needs to be dated. In my town there used to be two alternator shops. Now they are history. If having the car judged you need to get the probably dated diodes.
                              628's aren't that hard to find. Several of the DB members here sell them. Either restored or not restored.
                              Look in "The Driveline". John Pirkle, Jr does a fine job just like his Dad did. NCRS #1 used to sell dated Diodes but that was a long time ago. JD
                              Last edited by John D.; February 25, 2014, 08:36 AM.

                              Comment

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