Transmission ID - NCRS Discussion Boards

Transmission ID

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  • Sven C.
    Very Frequent User
    • July 18, 2015
    • 186

    Transmission ID

    This transmission was removed from an early 1966 car, but it clearly came from a very late 1966 based on the vin number stamped on it. I believe it is a Muncie wide ratio M20 and just looking to see if the transmission experts out there agree with me. Pics attached.

    I was hoping to reunite the transmission with the car and I checked the C-2 Registry to try to locate the car, but no luck. This makes me think that this transmission may have been removed from a wrecked car and put in the early car. Is there another way to try to see if the car is out there? I was thinking about putting it in the NCRS "Orphan Documents and Stamped Parts", but if it was probably wrecked, why bother.

    Any suggestions are appreciated.



    trans1.jpgtrans2.jpgtrans5.jpgtrans7.jpg
    1963 Corvette: Flight Judging Award (Top Flight) at 2023 Ontario NCRS Regional Meet (Regional) at 09-14-2023
    1963 Corvette: Flight Judging Award (Top Flight) at 2023 National Convention-French Lick (National) at 07-27-2023
    1963 Corvette: Flight Judging Award (Top Flight) at NCRS Indiana Regional (Regional) at 04-28-2022
    1963 Corvette: Flight Judging Award (Top Flight) at Ontario Chapter judging Meet 2021 (Chapter) at 09-18-2021
  • Dan A.
    Extremely Frequent Poster
    • May 31, 1974
    • 1074

    #2
    Re: Transmission ID

    Assuming Bubba has not been there the 3870354 part number tag is an M20 or wide ratio for 1966-7.

    Comment

    • Sven C.
      Very Frequent User
      • July 18, 2015
      • 186

      #3
      Re: Transmission ID

      Thanks Dan. Also found that an M20 has two cuts across the 10 input shaft splines, so I am sure it is a Muncie M20 wide ratio.
      1963 Corvette: Flight Judging Award (Top Flight) at 2023 Ontario NCRS Regional Meet (Regional) at 09-14-2023
      1963 Corvette: Flight Judging Award (Top Flight) at 2023 National Convention-French Lick (National) at 07-27-2023
      1963 Corvette: Flight Judging Award (Top Flight) at NCRS Indiana Regional (Regional) at 04-28-2022
      1963 Corvette: Flight Judging Award (Top Flight) at Ontario Chapter judging Meet 2021 (Chapter) at 09-18-2021

      Comment

      • Ronald L.
        Extremely Frequent Poster
        • October 18, 2009
        • 3248

        #4
        Re: Transmission ID

        the first thing bubba does is take the pn tag and use same for hinge shim so probably unmolested

        Comment

        • Sven C.
          Very Frequent User
          • July 18, 2015
          • 186

          #5
          Re: Transmission ID

          Thanks Ron. That's what I hope. Listed it in the C2 orphaned parts, so hoping it might be out there.
          1963 Corvette: Flight Judging Award (Top Flight) at 2023 Ontario NCRS Regional Meet (Regional) at 09-14-2023
          1963 Corvette: Flight Judging Award (Top Flight) at 2023 National Convention-French Lick (National) at 07-27-2023
          1963 Corvette: Flight Judging Award (Top Flight) at NCRS Indiana Regional (Regional) at 04-28-2022
          1963 Corvette: Flight Judging Award (Top Flight) at Ontario Chapter judging Meet 2021 (Chapter) at 09-18-2021

          Comment

          • Ronald L.
            Extremely Frequent Poster
            • October 18, 2009
            • 3248

            #6
            Re: Transmission ID

            Post on CF and gooogle the vin from time to time to see if the car comes up for sale

            Comment

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