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Thread: 1989 Manual Trans

  1. #1

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    Join Date
    02-21-2016
    Posts
    16
    Location

    Leonard, MI
    Vehicle

    1989 Dodge D-50
    Engine

    G63B

    1989 Manual Trans

    Does anybody know what these transmissions can handle torque wise? And if not very much is there any stronger options that can be swapped in?

  2. #2


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    Join Date
    03-21-2011
    Posts
    777
    Location

    WA
    Vehicle

    1989 Mitsubishi Mighty Max
    Engine

    4G63-T
    Had a spark blowout issue last time I went on the dyno but at 210rwtq at 4K. Now I'm making more and it's holding up okay. 8 years with boost and I have a lockout at from 2-3 shifting at 7k intermittently. Otherwise slight grind. Looking to go back to the dyno sooner or later. Lol.

  3. #3

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    10-22-2015
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    187
    Location

    Nevada
    Vehicle

    1990 Mitsubishi Mighty Max
    Engine

    Other
    I imagine you are running a 4 cylinder. If v6 then quite a bit more as it's very similar to the Fuso trucks. I plan to further test its capacity by early next year.

  4. #4

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    06-15-2014
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    2,251
    Location

    Adelaide, South Australia
    Vehicle

    1985 Mitsubishi L200
    Engine

    G63B
    Guys on site are using reinforced cover plates on their transmissions. LSRMike built a truck that pushed some serious numbers and his otherwise stock trans held up. Seems the biggest cause of transmission failure is case flex (or lousy driving...)

  5. #5



    Array
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    03-20-2011
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    4,115
    Location

    Pittsburgh, PA
    Vehicle

    1980 Dodge D-50
    Engine

    G54B
    get a tuff pan for it - that is what LSR Mike ran and it solved his tranny problems from case flex. Mitsu had a cast tranny pan for the 5 spds in the starquest TSI intercooled models in 88 -89, but that pan, if you could find one, will cost more that the Tuff pan at $150 with studs, gasket and all.
    Pennyman1
    The best Dodge that Dodge never made
    Living the D-50 lifestyle since 1980

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