Shielding identification needed - NCRS Discussion Boards

Shielding identification needed

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  • Mark P.
    Very Frequent User
    • May 13, 2008
    • 934

    Shielding identification needed

    Can anyone tell me what this shielding is for ? I looked at the C2 and C3 shielding I could find on-line and I can't identify it. It is similar to 63-67 shielding.
    Attached Files
  • Steven G.
    Expired
    • November 17, 2008
    • 348

    #2
    Re: Shielding identification needed

    The shields as pictured, the left is the right side and the right is the left side. They are not for c-3 small block.

    Comment

    • Alan D.
      Extremely Frequent Poster
      • January 1, 2005
      • 2027

      #3
      Re: Shielding identification needed

      Well can not tell from picture since even when downloading it's just tooo small to see any details. Here are some 64 shields to compare to which are in jpg which you can download and blow up to compare to yours.
      Hope these help.

      Comment

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

        #4
        Re: Shielding identification needed

        Originally posted by Mark Pellowski (49021)
        Can anyone tell me what this shielding is for ? I looked at the C2 and C3 shielding I could find on-line and I can't identify it. It is similar to 63-67 shielding.
        Mark -- look at your forward attaching points (to the motor mounts). They're for the large (safety) style motor mounts. These began early in the C3 era, AFAIK.

        Here's a '66-7 set of boomerangs, very similar to what Alan posted. Again notice the forward attach point; different configuration that fits the smaller motor mount. There may be slight differences on the rear attach brackets geometry and indentations on your set, to clear something or other.

        I've included these pics to show logo stamping details on the brackets. I'm sure the 'B' on the RH forward attachment is the same as on the LH shield, but the identical reinforcement is just flipped, hence hidden. See the "AS" stamped on the rear brackets. Also, just noticed that my rivets are larger than Alan's.
        Attached Files

        Comment

        • Brad M.
          Expired
          • July 31, 2005
          • 262

          #5
          Re: Shielding identification needed

          i was thinking those might be consistent with the style used in 71-74, but not positive

          Comment

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

            #6
            Re: Shielding identification needed

            Originally posted by Mark Pellowski (49021)
            Can anyone tell me what this shielding is for ? I looked at the C2 and C3 shielding I could find on-line and I can't identify it. It is similar to 63-67 shielding.
            Mark-----


            These are 1970+ shields. There were several different part numbers used over the 1970+ years, but, for the most part, the actual shields varied only slightly. However, by the looks of these I'd say they are likely GM #3987342 and 3987341.
            In Appreciation of John Hinckley

            Comment

            • Steven G.
              Expired
              • November 17, 2008
              • 348

              #7
              Re: Shielding identification needed

              Marks left shield pic.(for r/h side) will not work with safety mounts, the slot holed brack is way too short, right shield pic. (for l/h side) will work with safety mounts as is, very similar to gm #3973402 (stamped #), comparing them to my 72 small block. There was a post reciently on how to change the shields for safety/non safety mounts and that bracket was not to be changed as I recall, the drilled holed bracket is the one to be modified. Was b/b the same as s/b ?????????

              Comment

              • John H.
                Beyond Control Poster
                • December 1, 1997
                • 16513

                #8
                Re: Shielding identification needed

                Originally posted by Steven Gichenour (49707)
                Was b/b the same as s/b ?????????
                Steven -

                Big-blocks didn't use V-shields - their plug wires came over the top of the valve covers.

                Comment

                • Steven G.
                  Expired
                  • November 17, 2008
                  • 348

                  #9
                  Re: Shielding identification needed

                  Look at Mark's left shield, there is a unused drill hole and the edge of that bracket looks rough... looks like it was modified !!!!!!!!! Changed from safety mounts to non safety??? Does anyone know how many different shields were made 63 and older ?? , 64 -72 used 4 that are different, that I have found so far. Also, does anyone have a pic. of 69 shields ??? Steve

                  Comment

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

                    #10
                    Re: Shielding identification needed

                    Originally posted by Steven Gichenour (49707)
                    Look at Mark's left shield, there is a unused drill hole and the edge of that bracket looks rough... looks like it was modified !!!!!!!!! Changed from safety mounts to non safety??? Does anyone know how many different shields were made 63 and older ?? , 64 -72 used 4 that are different, that I have found so far. Also, does anyone have a pic. of 69 shields ??? Steve
                    Steve-----


                    From what I can see of them, if these are modified 63-69 style shields, it's the best job of modifying I've ever seen.

                    With respect to the lower, inner shields that are the subject of this thread, there were 5 sets used over the 63-82 period:

                    63-69

                    70-74

                    75-79

                    80-81 (uses same left side as 75-79)

                    82 (I don't think any right side was used; left side same as 75-81)
                    In Appreciation of John Hinckley

                    Comment

                    • Steven G.
                      Expired
                      • November 17, 2008
                      • 348

                      #11
                      Re: Shielding identification needed

                      I have known 64-67 and 70-72 lower shields, according to Joe's info., 63-69 and 70-74 their were 2 different types of shields for 63-74. After comparing my shields with Mark's, His shields have to be 75 or newer, they are not for 74 and older. I think the unused drill hole in bracket (l/h pic.) is the clue as to what shielding we are trying to identify. Steve

                      Comment

                      • Mark P.
                        Very Frequent User
                        • May 13, 2008
                        • 934

                        #12
                        Re: Shielding identification needed

                        Steven - can you post a picture of the 70-72 shields. I would like to see the difference.

                        Thanks,

                        Mark

                        Comment

                        • Brad M.
                          Expired
                          • July 31, 2005
                          • 262

                          #13
                          Re: Shielding identification needed

                          Joe,
                          I have a right side shield that I bought a while back which was NOS with GM sticker still on it and part number 14034993 which also has that extra hole, so I think his may not be modified.

                          You told me the following about this part number in previous post "correct lower v shield for 71?"
                          "GM #14034993 is a SERVICE-only part number for the RIGHT SIDE V-shield ASSEMBLY applicable to 1963-1979 Corvettes. As I mentioned previously, it's SERVICE only designation is the result of it including the reinforcements and attaching rivets. It is the "amalgamation" of the following 77-79 shield assembly components:

                          354423---SHIELD
                          3819766---SUPPORT
                          3973402----REINFORCEMENT
                          455624 OR ? -----RIVET (4)

                          GM #14034993 was released in January, 1983 and discontinued without supercession in November, 2000.

                          While it SERVICES 1963-79, it is not actually 100% correct for any year, although it very close to being correct for 77-79. It's fairly close for 70-76. It's usable for 63-69, but significantly different than the originals."


                          Steve, I would also be intersted to see pics of your known 70-72 shields.

                          Comment

                          • Brad M.
                            Expired
                            • July 31, 2005
                            • 262

                            #14
                            Re: Shielding identification needed

                            by the way, i tried to post a pic of that shield, but the site seems to be blocking it and saying that it was previously attached to the previous post discussed above.

                            Comment

                            • Mark P.
                              Very Frequent User
                              • May 13, 2008
                              • 934

                              #15
                              Re: Shielding identification needed

                              Here are photos of Steve's 1972 shielding.

                              Will these also work for a 1971 ?
                              Attached Files

                              Comment

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