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Thread: looking at a 4d56 to swap my 4d55

  1. #1

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    06-01-2015
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    Portland, OR
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    1983 Dodge Ram 50
    Engine

    4D55-T

    looking at a 4d56 to swap my 4d55

    Im having major problems with my 4d55 and wondering if i can use a non turbo 4d56 and add my turbo and manifolds to it in my ram 50.

    Do i need to do something to the injection pump in order to make it work right?

    Thanks

  2. #2

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    01-18-2015
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    Inwood WV
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    1991 Mitsubishi L200
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    4D56-T
    Quote Originally Posted by Thorsun View Post
    Im having major problems with my 4d55 and wondering if i can use a non turbo 4d56 and add my turbo and manifolds to it in my ram 50.

    Do i need to do something to the injection pump in order to make it work right?

    Thanks
    my research has let me to the non turbo d56 being identical to thhe turbo model. you just need to add turbo injectors/IP/Manifolds. Just make sure you have the right size injectors
    Dont forget you will need a special tool to put the injection pump in time

  3. #3

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    1983 Dodge Ram 50
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    4D55-T
    Thanks, any idea if the ip from my 83 ram 50 2.3 can be used?

  4. #4

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    1983 Dodge Ram 50
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    Can I turn up the injection pump on the naturally aspirated 2.5 to work with the turbo on my 2.3?

  5. #5

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    Inwood WV
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    1991 Mitsubishi L200
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    4D56-T
    Quote Originally Posted by Thorsun View Post
    Can I turn up the injection pump on the naturally aspirated 2.5 to work with the turbo on my 2.3?
    It's not the fuel that's missing, non turbo pump does not have the compensater on top for boost to add fuel.
    You may be able to use the 2.3 cap on it, but I'm not positive

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