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Thread: automatic tranny upgrade

  1. #1

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    05-14-2011
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    Location

    Orange County, CA
    Vehicle

    1980 Dodge D-50
    Engine

    4G52

    automatic tranny upgrade

    i have a 1986 D50 with a 2.6l and 3speed auto. the 3speed auto isnt cutting but want to keep an automatic
    and was wondering what my options are

  2. #2

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    04-24-2011
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    Location

    Orlando, FL
    Vehicle

    1990 Mitsubishi Mighty Max
    Engine

    G64B
    You can rebuild it, the transmission is a 904 transmision used in chrysler cars and truck good to about 700hp with the right parts

  3. #3




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    03-20-2011
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    Location

    Pittsburgh, PA
    Vehicle

    1980 Dodge D-50
    Engine

    G54B
    You can get an overdrive automatic from a 87 up 2.0 ram 50 truck, but be sure to check the bolt spacing on the bell housing before you buy it. The 2.6 with a 3 spd auto is a narrow bolt pattern, but the 2.6 auto with OD is a wide bolt pattern. Another alternative is to change it out for a 5 spd maunal from a 2.0, although you also have to changeout the pedal setup and put a cable mount on the firewall to operate the clutch.
    Pennyman1
    The best Dodge that Dodge never made
    Living the D-50 lifestyle since 1980

  4. #4

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    03-26-2011
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    Location

    Buhl, ID
    Vehicle

    1989 Dodge Power Ram 50
    Engine

    G64B
    Rahtid You said the 904 was good for 700HP. Do you know how much the O.D. tranny that are in these trucks will take?

  5. #5

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    04-24-2011
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    Location

    Orlando, FL
    Vehicle

    1990 Mitsubishi Mighty Max
    Engine

    G64B
    there are two O.D transmission,the a500 is a 904 with overdrive, i forgot the name of the other transmission but it a borgwarner it can hold 500-550 maybe even more just parts are harder to find, what are looking to do

  6. #6

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    03-26-2011
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    Location

    Buhl, ID
    Vehicle

    1989 Dodge Power Ram 50
    Engine

    G64B
    I'm not going to do anything special right now. Just wondering how tough they are.

  7. #7

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    04-24-2011
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    Location

    Orlando, FL
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    1990 Mitsubishi Mighty Max
    Engine

    G64B
    what year is the truck

  8. #8




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    Location

    Pittsburgh, PA
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    1980 Dodge D-50
    Engine

    G54B
    The other tranny is an Aisin - same as a nissan 300zx. Force 10 has a shift kit for it. For more info, check out starquest forum - lots of info on both trannies there
    Pennyman1
    The best Dodge that Dodge never made
    Living the D-50 lifestyle since 1980

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