1970 LT1 assembly stamp, an odd one - NCRS Discussion Boards

1970 LT1 assembly stamp, an odd one

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  • Steven S.
    Expired
    • August 29, 2007
    • 571

    1970 LT1 assembly stamp, an odd one

    To what do we attribute this one to? This is from a well documented one owner car (not a corvette however).

  • Michael W.
    Expired
    • April 1, 1997
    • 4290

    #2
    Re: 1970 LT1 assembly stamp, an odd one

    Not sure what's underneath the black horizontal mark or why the numbers are being hidden, but I doubt that's a Flint stamp. There's no reason they would have stamped a pad like that and may possibly not had individual stamps even if they felt like it.

    Possibly this is a replacement engine- is there a CE stamp under the black marker?

    Comment

    • Steven S.
      Expired
      • August 29, 2007
      • 571

      #3
      Re: 1970 LT1 assembly stamp, an odd one

      Cars VIN. Not mine so it would be inappropriate to leave that showing. No CE stamp, just VIN.

      Comment

      • Michael W.
        Expired
        • April 1, 1997
        • 4290

        #4
        Re: 1970 LT1 assembly stamp, an odd one

        Maybe not appropriate to post the pad and ask questions at all then....................

        Comment

        • Steven S.
          Expired
          • August 29, 2007
          • 571

          #5
          Re: 1970 LT1 assembly stamp, an odd one

          I thought maybe we could discuss a possible stamping anomalie, but thanks for the attitude.

          Here is a link to a discussion on this car if interested. It's a interesting story.

          Comment

          • Michael W.
            Expired
            • April 1, 1997
            • 4290

            #6
            Re: 1970 LT1 assembly stamp, an odd one

            Since the owner has published a picture of the pad on that site, including the VIN I see no reason to obscure it on this site

            full-18271-22639-red_deuce_eng_s.jpg

            Comment

            • Jim D.
              Extremely Frequent Poster
              • June 30, 1985
              • 2884

              #7
              Re: 1970 LT1 assembly stamp, an odd one

              Great story. Thanks for posting it Steve.

              Comment

              • Alan S.
                Extremely Frequent Poster
                • July 31, 1989
                • 3415

                #8
                71 Coupe, 350/270, 4 speed
                Mason Dixon Chapter
                Chapter Top Flight October 2011

                Comment

                • Patrick B.
                  Extremely Frequent Poster
                  • August 31, 1985
                  • 1995

                  #9
                  Re: 1970 LT1 assembly stamp, an odd one

                  Originally posted by Michael Ward (29001)
                  Since the owner has published a picture of the pad on that site, including the VIN I see no reason to obscure it on this site

                  [ATTACH=CONFIG]59308[/ATTACH]
                  The first picture of just the Flint code looked like a joke. But the vin is a perfectly authentic Wilmington plant Nova vin. A replacement block would not have had a vin stamped like that by even the most diligent dealer. It certainly seems like the engine arrived at Wilmington with a crude hand stamped Flint code. But why was not even part of the Flint code gang stamped? I've never seen anything like it.

                  Comment

                  • Edward B.
                    Expired
                    • March 29, 2013
                    • 691

                    #10
                    Re: 1970 LT1 assembly stamp, an odd one

                    There are three things wrong here.

                    1. The W in the VIN indicates Willow Run, MI. In 1970 they only built the Nova.
                    2. The VIN starts at 5xxxxx and in 1970, all Nova VIN's started at 1xxxxx. There weren't that many Novas built in 1970.
                    3. The CTC suffix indicates the 350/360 Z28 engine and that engine and suffix was only used in the 1970 Camaro.

                    Ed

                    Comment

                    • Patrick B.
                      Extremely Frequent Poster
                      • August 31, 1985
                      • 1995

                      #11
                      Re: 1970 LT1 assembly stamp, an odd one

                      Originally posted by Edward Bertrand (58273)
                      There are three things wrong here.

                      1. The W in the VIN indicates Willow Run, MI. In 1970 they only built the Nova.
                      2. The VIN starts at 5xxxxx and in 1970, all Nova VIN's started at 1xxxxx. There weren't that many Novas built in 1970.
                      3. The CTC suffix indicates the 350/360 Z28 engine and that engine and suffix was only used in the 1970 Camaro.

                      Ed
                      My apologies. The Wilmington letter code is Y not W, which is Willow Run. The CTC code is actually listed in the 1965-1970 Chevy parts book for both the 1970 Nova and Camaro for a 320 HP turbohydramatic. They must have changed the Z28 HP rating to 360 after the first parts book came out.

                      The vin number is strange, as you point out ,from a production number point of view. There were about 307,000 1970 Novas and the first was VIN 100001. The last would have started with a 4 apparently.

                      Comment

                      • Steven S.
                        Expired
                        • August 29, 2007
                        • 571

                        #12
                        Re: 1970 LT1 assembly stamp, an odd one

                        This picture is of the hidden VIN stamp from the car, page 9 on the linked discussion. I don't know enough about these cars or especially about their VINs but as you can see it is a match.



                        full-18271-22193-photo_1.jpg

                        Comment

                        • Patrick B.
                          Extremely Frequent Poster
                          • August 31, 1985
                          • 1995

                          #13
                          Re: 1970 LT1 assembly stamp, an odd one

                          Problem solved. I think the first digit is a 3 not a 5, making the number reasonable. The hand stamped Flint code is still unique.

                          Comment

                          • Terry M.
                            Beyond Control Poster
                            • September 30, 1980
                            • 15599

                            #14
                            Re: 1970 LT1 assembly stamp, an odd one

                            Heavy Repair
                            Terry

                            Comment

                            • Steven S.
                              Expired
                              • August 29, 2007
                              • 571

                              #15
                              Re: 1970 LT1 assembly stamp, an odd one

                              Originally posted by Terry McManmon (3966)
                              Heavy Repair
                              Terry, could you explain how such a situation may have progressed? I know very little about this subject.

                              Thanks,
                              Steve

                              Comment

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