5468309 Master Cylinder ID? - NCRS Discussion Boards

5468309 Master Cylinder ID?

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  • John H.
    Beyond Control Poster
    • December 1, 1997
    • 16513

    5468309 Master Cylinder ID?

    I have a casting #5468309 master cylinder, with bleeders, stamped "HA" or "EA", that I removed from my '67 some time ago; I know this casting number when stamped "US" was used on '69 power disc brake Camaros. Anyone know what the usage of mine was?
  • John H.
    Beyond Control Poster
    • December 1, 1997
    • 16513

    #2
    Re: 5468309 Master Cylinder ID? - Addendum

    Should have mentioned that it also has a deep-hole rear piston.

    Comment

    • Joe L.
      Beyond Control Poster
      • February 1, 1988
      • 43193

      #3
      Re: 5468309 Master Cylinder ID? - Addendum

      John-----

      I'll try to remember to check on this when I get home. The '309' master cylinder was actually used on some Corvettes alternately with the '346' master cylinder. Both are 1-1/8" bore master cylinders. However, at the moment, I don't know what the codes you mentioned applied to. They were NOT used for Corvette, though. That much I know.
      In Appreciation of John Hinckley

      Comment

      • John H.
        Beyond Control Poster
        • December 1, 1997
        • 16513

        #4
        Re: 5468309 Master Cylinder ID? - Addendum

        Thanks, Joe - would appreciate any application info you may have when the local supply of lobster and clams is exhausted and you return home to "information central" I just want to be able to describe its application(s) accurately when I offer it for sale; nice core, but I have no use for it.

        Comment

        • Joe L.
          Beyond Control Poster
          • February 1, 1988
          • 43193

          #5
          Re: 5468309 Master Cylinder ID? - Addendum

          John-----

          It appears that the original post has expired from the board. Could you please advise again regarding the code on the one that you have?
          In Appreciation of John Hinckley

          Comment

          • John H.
            Beyond Control Poster
            • December 1, 1997
            • 16513

            #6
            Re: 5468309 Master Cylinder ID? - Addendum

            Joe -

            It's casting #5468309, and the stamped code on the semi-circular area at the front is either "HA" or "BA" after cleaning it up some more, and it has a deep-hole rear piston. I know this casting when stamped "US" was used on '69 Camaros with power disc brakes, but I don't know the application of this one.

            Comment

            • Joe L.
              Beyond Control Poster
              • February 1, 1988
              • 43193

              #7
              Re: 5468309 Master Cylinder ID? - Addendum

              John-----

              You're correct; the "US" coded master cylinder was used for 1969 Camaros with disc brakes. It was also used for 1969 Chevy II with disc brakes. The master cylinder assembly was originally known as GM #5463751.

              The "BA" coded master cylinder was used for 1969 Chevelles with disc brakes. This master cylinder assembly was originally known as GM #5469399. The "Chevelle Guys" can be even crazier than "Corvette Guys". So, who knows, maybe you've got a "gold mine" there?
              In Appreciation of John Hinckley

              Comment

              • John H.
                Beyond Control Poster
                • December 1, 1997
                • 16513

                #8
                Re: 5468309 Master Cylinder ID? - Addendum

                Thanks, Joe - now I know how to describe it correctly

                Comment

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