Power steering control valve cap question - NCRS Discussion Boards

Power steering control valve cap question

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  • Edward J.
    Extremely Frequent Poster
    • September 15, 2008
    • 6940

    Power steering control valve cap question

    Does anyone reproduce the control valve cap With the (X) ?
    New England chapter member, 63 Convert. 327/340- Chapter/Regional/national Top Flight, 72 coupe- chapter and regional Top Flight.
  • Russ S.
    Extremely Frequent Poster
    • April 30, 1982
    • 2162

    #2
    Re: Power steering control valve cap question

    It's easy to put the X on with a sharp correct width chisel. Support the inside with a correct size shaft when stamping it.

    Comment

    • Edward J.
      Extremely Frequent Poster
      • September 15, 2008
      • 6940

      #3
      Re: Power steering control valve cap question

      Russ it already has a C stamp. must be a later year. i found that paragon makes the correct cap.
      New England chapter member, 63 Convert. 327/340- Chapter/Regional/national Top Flight, 72 coupe- chapter and regional Top Flight.

      Comment

      • Floyd B.
        Extremely Frequent Poster
        • November 1, 2002
        • 1046

        #4
        Re: Power steering control valve cap question

        I got mine from Loanstar. They're usually at Carlise.

        '69 Blue/Blue L36 Vert w/ 4-Spd
        '73 Blue/Blue L48 Coupe w/ 4-Spd
        '96 Red/Black LT-4 Convertible
        "Drive it like you stole it"

        Comment

        • Joe L.
          Beyond Control Poster
          • February 1, 1988
          • 43211

          #5
          Re: Power steering control valve cap question

          Originally posted by Edward Johnson (49497)
          Russ it already has a C stamp. must be a later year. i found that paragon makes the correct cap.

          Edward------


          The reason for the different stampings is that there was a slight change in the valve during the 1963-82 period. The change involved a change in steering effort that was accomplished via a change in a valve spring.

          The 1963-73 Corvette control valve assembly was GM #5691955 and this was the valve with the cap stamped "X". The 1974-82 control valve assembly was GM #7825636 and this was the valve with cap stamped "C". The GM #5691955 was discontinued from SERVICE in October, 1982 and replaced by the 7825636. So, any valve assembly for a 1963-73 Corvette obtained from GM after that time would actually be the 1974-82 assembly. I believe that all of the "reproduction"/replacement valves have actually been of the 7825636.

          By the way, there may even have been others since other Chevrolet models also used this basic valve and may have had different calibrations (and cap stampings).
          In Appreciation of John Hinckley

          Comment

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