need source for gear set for 56 close ratio tranny - NCRS Discussion Boards

need source for gear set for 56 close ratio tranny

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  • Mike M.
    NCRS Past President
    • May 31, 1974
    • 8381

    need source for gear set for 56 close ratio tranny

    anybody got a source? thanks, mike
  • Wayne C.
    Expired
    • September 30, 1987
    • 28

    #2
    Re: need source for gear set for 56 close ratio tranny

    new cluster gear and second gear on ebay now. wayne

    Comment

    • Terry B.
      Infrequent User
      • June 30, 1980
      • 21

      #3
      Re: need source for gear set for 56 close ratio tranny

      I have not used them but have been told "American Restoration Unlimited" (201-843-3567) probably has what you are looking for. They handle transmission parts from 1940 to 1980 and if they don't have the gear/part in stock they can make what you need. My guess is that a GM part number and or a tooth count would be required. In a short while I will be looking for the gears to go into a 57 trans. If you find that this is a good source, please update us with your findings. Good luck.

      Comment

      • Ken J.
        Expired
        • May 11, 2008
        • 95

        #4
        Re: need source for gear set for 56 close ratio tranny

        Hello;

        I believe that the input for the 56 trans. is drilled longways to vent the trans. as it doesn't have a vent provision on the tail shaft, as the other
        years do. Hope it helps some.

        Ken Joseph

        Comment

        • Mike M.
          NCRS Past President
          • May 31, 1974
          • 8381

          #5
          Re: need source for gear set for 56 close ratio tranny

          thanks guys.mike

          Comment

          • Mike M.
            NCRS Past President
            • May 31, 1974
            • 8381

            #6
            Re: need source for gear set for 56 close ratio tranny

            Originally posted by Ken Joseph (49012)
            Hello;

            I believe that the input for the 56 trans. is drilled longways to vent the trans. as it doesn't have a vent provision on the tail shaft, as the other
            years do. Hope it helps some.

            Ken Joseph
            ken: i just disassembled my CR 56 3 speed. its input shaft and the new old stock input aren't drilled longways to vent the tranny. they are drilled horizontally towards the front of the input shaft for a couple inches then drilled vertically(in the threaded portion of the input shaft). venting thus allows gear oil and pressure to vent forewards a couple inches in front of the input shaft bearing. any gear oil will then be captured by the throwout bearing retainer and then return to the main case. there is a hole drilled into the top of the throw out bearing retainer that allows fumes to exit to the atmosphere. if the input shaft were drilled horizontally clear foreward to the pilot bearing interface of the input shaft, i suspect gear oil would contaminate the clutch disk eventually. regards,mike

            Comment

            • Patrick S.
              Very Frequent User
              • January 1, 1988
              • 209

              #7
              Re: need source for gear set for 56 close ratio tranny

              What Do You Need? I (and Probably Others) Have A Box Full Of Left Over Parts For A Cr 3 Speed.

              Comment

              • Mike M.
                NCRS Past President
                • May 31, 1974
                • 8381

                #8
                Re: need source for gear set for 56 close ratio tranny

                i've managed to get all new gears/shafts/bearings except the reverse-first slider gear. got a new one? thanks,mike

                Comment

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