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Wanna put an automatic transmission in my 1950 Dodge Coronet

Discussion in 'The Hokey Ass Message Board' started by BaznJosh, Jan 16, 2011.

  1. BaznJosh
    Joined: Oct 13, 2010
    Posts: 168

    BaznJosh
    Member

    Anyone suggest a suitable trans I can use that won't be too much work?
     
  2. holdfast2628
    Joined: May 24, 2008
    Posts: 7

    holdfast2628
    Member
    from florida

    i dont know but im wanting to know for myself. i havent had any luck finding anything that will bolt right up, unless you by a adapt kit but that was a ton of money last i checked.
     
  3. Frankie47
    Joined: Dec 20, 2008
    Posts: 1,272

    Frankie47
    Member
    from omaha ne.

    A 904 torqueflite will handle your flattie just fine, there is an adaptor already out there for it. Maybe go with an early 518 overdrive......
     
  4. moparob
    Joined: Jan 8, 2009
    Posts: 364

    moparob
    Member

    who makes the tranny adapter for the flattie six..... just currious? still got the one out of my 50.
     
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  5. PhilJohnson
    Joined: Oct 13, 2009
    Posts: 906

    PhilJohnson
    Member

    I'm curious as well. The transmission in my 50 Coronet is making clunking noises.
     
  6. Frankie47
    Joined: Dec 20, 2008
    Posts: 1,272

    Frankie47
    Member
    from omaha ne.

  7. bucket73
    Joined: Mar 20, 2011
    Posts: 3

    bucket73
    Member
    from indiana

  8. plym_46
    Joined: Sep 8, 2005
    Posts: 3,203

    plym_46
    Member
    from central NY

    Transmissions in 50 Dodges were called clunk o matics, what's the problem????

    A friend put a 350 chevy behind a 251 desoto with a wilcap adapter. put the combination in a A coupster, went like stink.
     
  9. Hnstray
    Joined: Aug 23, 2009
    Posts: 5,634

    Hnstray
    ALLIANCE MEMBER
    from Quincy, IL

    You should be able to use a '54 thru '59 Mopar 6 cyl Powerflite..........'54 is when they were introduced and '59 was the last US production pass car flathead 6.

    Not that they are easily found, but surely there are some out there. If you do decide to spend for an adapter to a later model trans, also check with Bendtsens www.transmissionadapters.com. Not cheap, but very well made.

    Ray
     
  10. rdrunner1974
    Joined: Apr 20, 2011
    Posts: 63

    rdrunner1974
    Member
    from Vermont

    /6 or 318 with 904 is easy swap
     
  11. George
    Joined: Jan 1, 2005
    Posts: 6,290

    George
    Member

  12. Mr Blue
    Joined: Oct 30, 2007
    Posts: 46

    Mr Blue
    Member
    from Florida

    I think you should go with an adapter.

    Spend the money now. It will be a much more enjoyable car with a good shifting, reliable tranny behind it. Thanks. Don
     
  13. 73RR
    Joined: Jan 29, 2007
    Posts: 5,069

    73RR
    Member

    Thanks Frankie and George.
    Yes, I can adapt the A904/A500 as well as later Mopar manual boxes to the flat 6 and 8. I am way behind on getting details on to the web site so if you have questions send a PM.

    .
     
  14. 1950coronet600hp
    Joined: Dec 13, 2009
    Posts: 2,196

    1950coronet600hp
    Member

    if you can find an adapter plate, I would run an a500, there not electronic, just have an electric operated torque converter lock up and 4th gear operation, which is easy to control with 2 switches inside the car, and with the exception of an extra gear they are no different then a 904.
     
  15. d2_willys
    Joined: Sep 8, 2007
    Posts: 3,458

    d2_willys
    Member
    from Kansas

    54-55 P'flites had typical column linkage, but 56-59 were pushbuttons. Don't recall if Plymouth used cast iron t'flites with 230 6 cyl flatties, but if they did, u could also go that route. I would think the biggest issue in using a modern transmission and an adapter plate would be starter issues. If the transmission is for a V engine then how the 6 cylinder back of block could have interference issues, unless the starter on these adapter plates are mounted below bottom of block.
     
  16. 73RR
    Joined: Jan 29, 2007
    Posts: 5,069

    73RR
    Member

    Recall that on a Mopar the starter mounts to the bell.
    [​IMG]

    .
     
  17. 50dodgetruck
    Joined: Aug 23, 2014
    Posts: 7

    50dodgetruck

    Given a decent transmission with overdrive. And everything else stock. Could the 100 ish hp get me to 70 mph without struggling?


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  18. 50dodgetruck
    Joined: Aug 23, 2014
    Posts: 7

    50dodgetruck

    And what specific trans could I put on with little modification bolting it in to my. 230 inline 6?
    I keep hearing a Borg t5?
    But what years are the best to work?


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  19. 73RR
    Joined: Jan 29, 2007
    Posts: 5,069

    73RR
    Member

    Plenty of conversation on this subject over at www.p15-d24.com and many comments as to the hp vs speed vs rear gear ratio.
    The t5 has been done many times but some folks balk at the price of the 'kits'. No, I do not make/sell them.
    Be sure to check this swap: http://p15-d24.com/topic/17737-5-speed-not-t5/

    .
     

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