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Thread: 89 D50 2.0L - installing electronic fuel pump. fuel line routing help?

  1. #1

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    04-30-2013
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    Location

    new york
    Vehicle

    1984 Dodge Ram 50
    Engine

    4G37

    89 D50 2.0L - installing electronic fuel pump. fuel line routing help?

    Hi. im installing an electronic fuel pump in my 89 ram 50. ( 4G63B ). im using the stock carb, and ive already removed the mechanical pump and installed a block plate in the head. i will be installing the pump near the tank, and if someone could help me figure out what to do with the 3 (4?) lines that come off the mechanical fuel pump.

    i know one is in from the tank, the other goes to the carb, but there is a smaller line near the top of the diaphragm and a secondary line that goes to the carb. how is this connected?

    any help is much appreciated

  2. #2

    Array
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    Offline
    Join Date
    04-30-2013
    Posts
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    Location

    new york
    Vehicle

    1984 Dodge Ram 50
    Engine

    4G37
    ok since nobody has spoken up, i spent all day trial and error'ing it. turns out its easy to mount the fuel pump near tank. for the lines that go to the mechanical pump, there are 3: one main feed, one return feed, and one vent type feed. on the carb, there are 2 fuel inputs, however the input that is vertical is the main fuel input. the other i assume is some sort of return.

    also, lining up dizzys is a bittttch

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