1971 LT1 Harrison Radiator Broadcast Tag MK9 - Letter & Number Dimensions? - NCRS Discussion Boards

1971 LT1 Harrison Radiator Broadcast Tag MK9 - Letter & Number Dimensions?

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  • Ray K.
    Very Frequent User
    • April 30, 2005
    • 401

    1971 LT1 Harrison Radiator Broadcast Tag MK9 - Letter & Number Dimensions?

    After contacting many of my personal & commercial sources without success, I'm still in search of a Harrison radiator broadcast tag MK9 (GM# 3018803) for my original 1971 LT1. . . .

    However, I was fortunate to find a contact that may be able to reproduce the 1970 thru 1972 MK9/MI9/MJ9/MH9 tags. In order for him to reproduce the tags, he needs to know the size of the letters and the number 9.

    Would anybody know or have the dimensions? If I could provide him with the dimensions, he'll "explore" the cost to modify the tooling. If there is enough 1970 to 1972 NCRS member interest & volume to make these, we C3 owners may get lucky and be able to buy these . . . . .

    A picture of the MK9, taken out of the 6th edition of the Technical Info & Judging Manual is shown below.
    Ray K (#43777)

    Attached Files
  • Richard K.
    Infrequent User
    • September 16, 2010
    • 17

    #2
    Re: 1971 LT1 Harrison Radiator Broadcast Tag MK9 - Letter & Number Dimensions?

    I have a M J 9 Tag, in good condition, that you could use to get exact measurements from. Let me know if that will help.

    Comment

    • Ray K.
      Very Frequent User
      • April 30, 2005
      • 401

      #3
      Re: 1971 LT1 Harrison Radiator Broadcast Tag MK9 - Letter & Number Dimensions?

      Richard,
      Using your tag to get the exact measurements would definitely help.

      How do I go about using your tag?
      Ray

      Comment

      • Richard K.
        Infrequent User
        • September 16, 2010
        • 17

        #4
        Re: 1971 LT1 Harrison Radiator Broadcast Tag MK9 - Letter & Number Dimensions?

        I can ship it to you, but I'm not sure how to get your address or phone number or what the rules of the forum are. Are you familiar with contacting someone.

        Comment

        • Leif A.
          Extremely Frequent Poster
          • August 31, 1997
          • 3607

          #5
          Re: 1971 LT1 Harrison Radiator Broadcast Tag MK9 - Letter & Number Dimensions?

          Originally posted by Richard Kachnik (52211)
          I can ship it to you, but I'm not sure how to get your address or phone number or what the rules of the forum are. Are you familiar with contacting someone.
          Richard,
          Simply click on Ray's name in his post and it will open a window. You can, then, click on "Private Message" and communicate directly with him. Hope this helps.
          Leif
          '67 Coupe L79, M21, C60, N14, N40, J50, A31, U69, A01, QB1
          Top Flight 2017 Lone Star Regional

          Comment

          • Richard K.
            Infrequent User
            • September 16, 2010
            • 17

            #6
            Re: 1971 LT1 Harrison Radiator Broadcast Tag MK9 - Letter & Number Dimensions?

            Thanks Leif, I did figure it out and sent Ray a message.

            Comment

            • Ray K.
              Very Frequent User
              • April 30, 2005
              • 401

              #7
              Re: 1971 LT1 Harrison Radiator Broadcast Tag MK9 - Letter & Number Dimensions?

              Rich,
              I just replied to your message to me . . . . really, really appreciate your help!
              Ray

              Comment

              • Gary C.
                Frequent User
                • May 28, 2012
                • 66

                #8
                Re: 1971 LT1 Harrison Radiator Broadcast Tag MK9 - Letter & Number Dimensions?

                Ray,
                Your audience also includes 1969 copper radiator usage which uses the MK9, MI9, MH9 & MJ9 with same GM part no.
                Gary

                Comment

                • Jeffrey S.
                  Extremely Frequent Poster
                  • May 31, 1988
                  • 1879

                  #9
                  Re: 1971 LT1 Harrison Radiator Broadcast Tag MK9 - Letter & Number Dimensions?

                  Originally posted by Gary Craig (54981)
                  Ray,
                  Your audience also includes 1969 copper radiator usage which uses the MK9, MI9, MH9 & MJ9 with same GM part no.
                  Gary
                  ray,
                  If you have them reproduceed I would surely be interested in one for my '69.
                  Jeff

                  Comment

                  • Ray K.
                    Very Frequent User
                    • April 30, 2005
                    • 401

                    #10
                    Re: 1971 LT1 Harrison Radiator Broadcast Tag MK9 - Letter & Number Dimensions?

                    Originally posted by Richard Kachnik (52211)
                    I can ship it to you, but I'm not sure how to get your address or phone number or what the rules of the forum are. Are you familiar with contacting someone.
                    Originally posted by Gary Craig (54981)
                    Ray,
                    Your audience also includes 1969 copper radiator usage which uses the MK9, MI9, MH9 & MJ9 with same GM part no.
                    Gary

                    Comment

                    • Ed H.
                      Frequent User
                      • July 19, 2014
                      • 58

                      #11
                      Re: 1971 LT1 Harrison Radiator Broadcast Tag MK9 - Letter & Number Dimensions?

                      Ray, if you are successful with your source for the MK9 copper radiator tag. I would be interested in one for my 72 LT-1 with AC.

                      Ed

                      Comment

                      • Ray K.
                        Very Frequent User
                        • April 30, 2005
                        • 401

                        #12

                        Comment

                        • Patrick H.
                          Beyond Control Poster
                          • December 1, 1989
                          • 11608

                          #13
                          Re: 1971 LT1 Harrison Radiator Broadcast Tag MK9 - Letter & Number Dimensions?

                          Ray,

                          I'm glad you found one!

                          Patrick
                          Vice-Chairman (West), Michigan Chapter NCRS
                          71 "deer modified" coupe
                          72 5-Star Bowtie / Duntov coupe. https://www.flickr.com/photos/124695...57649252735124
                          2008 coupe
                          Available stickers: Engine suffix code, exhaust tips & mufflers, shocks, AIR diverter valve broadcast code.

                          Comment

                          • Ray K.
                            Very Frequent User
                            • April 30, 2005
                            • 401

                            #14
                            Re: 1971 LT1 Harrison Radiator Broadcast Tag MK9 - Letter & Number Dimensions?

                            Pat,
                            I have not found the MK9 Harrison tag that I need. I only found a "potential" source that may be able to reproduce them for us (depending on tooling costs and volume) . . . . .
                            Ray

                            Comment

                            • Patrick H.
                              Beyond Control Poster
                              • December 1, 1989
                              • 11608

                              #15
                              Re: 1971 LT1 Harrison Radiator Broadcast Tag MK9 - Letter & Number Dimensions?

                              You've got Richard's coming. That's a good start.

                              It would be interesting to get another couple of versions so you could narrow down the font used.

                              #labelguy
                              Vice-Chairman (West), Michigan Chapter NCRS
                              71 "deer modified" coupe
                              72 5-Star Bowtie / Duntov coupe. https://www.flickr.com/photos/124695...57649252735124
                              2008 coupe
                              Available stickers: Engine suffix code, exhaust tips & mufflers, shocks, AIR diverter valve broadcast code.

                              Comment

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