Power Cylinder Date Codes - NCRS Discussion Boards

Power Cylinder Date Codes

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  • Jeff P.
    Very Frequent User
    • July 31, 1989
    • 797

    Power Cylinder Date Codes

    68 L79 Convertible: Triple Black: Work In Progress, Body off. Now on!
    2014 Arctic White Z51 Vert. (Wifes)
  • Jim S.
    Expired
    • August 31, 2001
    • 730

    #2
    Re: Power Cylinder Date Codes

    The actual product engineering drawing indicates the following date code system for the power steering assist cylinder.

    STAMP DATE CODE ON THIS SURFACE WHEN CYLINDER IS TESTED CODE 000 0
    WHERE 000 IS DAY OF THE YEAR (THRU 365)
    WHERE 0 IS LAST DIGIT OF THE YEAR (2 FOR 1962 ETC)

    284 would be October 11
    239 would be August 27

    It appears that despite the spec on the product drawing the manufacturing plant was using two digits for the year. 67 and 68

    No idea as to why two date codes on the cylinder.
    Jim

    Comment

    • Jeff P.
      Very Frequent User
      • July 31, 1989
      • 797

      #3
      Re: Power Cylinder Date Codes

      Thanks Jim, anyone have a picture of a 67,68 ps cylinder that in their eyes is correct. Thanks, Jeff
      68 L79 Convertible: Triple Black: Work In Progress, Body off. Now on!
      2014 Arctic White Z51 Vert. (Wifes)

      Comment

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