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67 jack dating

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  • Al R.
    Very Frequent User
    • June 30, 1988
    • 687

    67 jack dating

    Has anyone run across an early 67 jack that had only the month "A" stamped into it without the year "7" ? If so, was there a point deduction during judging or is this considered 1 of those things that could happen on the line?
  • Al R.
    Very Frequent User
    • June 30, 1988
    • 687

    #2
    Re: 67 jack dating

    Anybody got a response on this? Just an anomoly?

    Comment

    • Gary S.
      Super Moderator
      • February 1, 1984
      • 457

      #3
      Re: 67 jack dating

      I have had lots of dated jacks and am always looking at them at shows and swap meets. I never saw one without both characters on a dated jack. I have seen some "light' stampings though. But that does not mean it could not happen. I have seen jacks with the characters reversed...such as C7 and 7E. I have seen 427 fan blades which have the "66" on them with only one "6" present. As a judge, I would not deduct for a jack with only one of the date characters present if I thought it was an orginal jack and correct for the car.

      JackDateClose67#15011.jpg

      JackDateClose7E.JPG

      FanBlade427Markings.JPG
      Avatar--My first ever vette, owned 3X since 1977, restored 1993-2024. Top Flight Award 9/14/24

      Comment

      • Al R.
        Very Frequent User
        • June 30, 1988
        • 687

        #4
        Re: 67 jack dating

        Gary, is it just angles or is there a difference in the height of the C and 7 in the 1st picture? Also, what would have been the correct height of the numbers and letters used in 67 on the jacks?

        Comment

        • John D.
          Very Frequent User
          • June 30, 1991
          • 874

          #5
          Re: 67 jack dating

          My understanding was that jack dating started later in the 67 model year and the A was a supplier marking. My Sept 66 car has a jack with an A and no date....

          Comment

          • Gary S.
            Super Moderator
            • February 1, 1984
            • 457

            #6
            Re: 67 jack dating

            Originally posted by Al Rains (13251)
            Gary, is it just angles or is there a difference in the height of the C and 7 in the 1st picture? Also, what would have been the correct height of the numbers and letters used in 67 on the jacks?
            I sent Al a PM on this but guess I should post here. I measured the characters on my original B7 jack with my calipers and the letter for the month is about 1/5 of an inch. The number for the year appears to be about 15,000th larger. My other three jacks look to be the same. Maybe someone else has info.
            Avatar--My first ever vette, owned 3X since 1977, restored 1993-2024. Top Flight Award 9/14/24

            Comment

            • Gary S.
              Super Moderator
              • February 1, 1984
              • 457

              #7
              Re: 67 jack dating

              Originally posted by John Daly (19684)
              My understanding was that jack dating started later in the 67 model year and the A was a supplier marking. My Sept 66 car has a jack with an A and no date....
              Lots in the archives on this. Yes, the big "A" on top is the manufacturer. Jack dating started with January of 1967. A7=January 67. The jack design did not change..still Type 3, just that they started dating them.

              I think the first three months of dating used the order of M/Y. I think beginning in April, that reversed to Y/M. I have pictures (some multiples) of real jacks in my files for A7, B7, C7, 7D, 7E, 7J, 8B, 8D. Anyone seen anything different?
              Avatar--My first ever vette, owned 3X since 1977, restored 1993-2024. Top Flight Award 9/14/24

              Comment

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