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  • Transmission / Overdrive: Flightomatic clutch cylinder

    What's the difference between a 1541171 (non-floor shift car) and a 1554227 (floor shift car) clutch drum. I have them both sitting on the bench but see no difference.
    sigpic
    Claude Chmielewski
    Studeski
    http://www.studeski.com
    Fillmore, Wisconsin
    47 M-16 Truck
    53 Commander Regal HT
    53 2R5
    60 Lark VIII Convertible
    60 5E7 Champ pickup
    62 5E7 Champ no box
    62 GT Hawk 4 speed
    63 Lark VI parts car
    63 GT Hawk R2 4 speed
    64 Commander Wagonaire
    64 Daytona Convertible
    50 Champion Regal (parts car)
    36 Dictator
    36 Dictator in pieces

  • #2
    The area where the band rides should be wider in the powershift. They used larger bands. Also, isn't one three planetary gears, and the other one four?
    Bez Auto Alchemy
    573-318-8948
    http://bezautoalchemy.com


    "Don't believe every internet quote" Abe Lincoln

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    • #3
      Sorry I should have said this is the front clutch. The front band runs on the rear clutch.
      sigpic
      Claude Chmielewski
      Studeski
      http://www.studeski.com
      Fillmore, Wisconsin
      47 M-16 Truck
      53 Commander Regal HT
      53 2R5
      60 Lark VIII Convertible
      60 5E7 Champ pickup
      62 5E7 Champ no box
      62 GT Hawk 4 speed
      63 Lark VI parts car
      63 GT Hawk R2 4 speed
      64 Commander Wagonaire
      64 Daytona Convertible
      50 Champion Regal (parts car)
      36 Dictator
      36 Dictator in pieces

      Comment


      • #4
        All the rear bands are the same width, the front bands are wider on the heavy duty and powershift transmissions. On those units the front drum is also wider. The wide band measures 1.93, the narrower band measures 1.63 , not a big difference. Lou Cote

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        • #5
          Originally posted by studeski View Post
          What's the difference between a 1541171 (non-floor shift car) and a 1554227 (floor shift car) clutch drum. I have them both sitting on the bench but see no difference.
          Claude, If you look closely at the inner diameter of both drums you should see a slight difference in the diameter of the angled hole through each. I believe the floor shift variety allows more pressure in behind the aluminium piston.

          \"QUIGLEY DOWN UNDER\"
          MELBOURNE.

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          • #6
            Originally posted by HAWK64 View Post
            Claude, If you look closely at the inner diameter of both drums you should see a slight difference in the diameter of the angled hole through each. I believe the floor shift variety allows more pressure in behind the aluminium piston.
            Just got an email from John Metzker. He said the same thing about the oil hole. Seems to me the pressure would be the same. The increased volume would make a quicker application. Funny, the 1554227 drum is used on the 6 cylinder transmissions.
            sigpic
            Claude Chmielewski
            Studeski
            http://www.studeski.com
            Fillmore, Wisconsin
            47 M-16 Truck
            53 Commander Regal HT
            53 2R5
            60 Lark VIII Convertible
            60 5E7 Champ pickup
            62 5E7 Champ no box
            62 GT Hawk 4 speed
            63 Lark VI parts car
            63 GT Hawk R2 4 speed
            64 Commander Wagonaire
            64 Daytona Convertible
            50 Champion Regal (parts car)
            36 Dictator
            36 Dictator in pieces

            Comment


            • #7
              All of the differences between the Standard Flight-O-Matic and the Power Shift are designed to allow it to live with the Manual 1-2 and 2-3 Shifts that are available.
              StudeRich
              Second Generation Stude Driver,
              Proud '54 Starliner Owner

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