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Thread: Fuel pump question

  1. #1

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    Fuel pump question

    Do any of you run fuel pumps? I'm intalling a new 4D56 crate motor in may B2600i and will be removing the hi pressure fuel pump from the tank but not sure if I should install a low pressure pump to help get the fuel up to the main pump.

  2. #2


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    i cant help you but im sure someone will tune in with an answer.....goodluck

  3. #3



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    it is a good idea. i ran a holley fuel pump to the injection pump. your injection pump is also your lift pump. it will wear out quicker with out a small low pressure lift pump. if all you have is your high pressure pump, put a "T" into the return line so it sorta just recirculates. you will have faster starts and better mileage.
    Real Trucks dont need spark plugs,,,,,,black smoke dont mean it broke.....
    2000 f250 Super duty crew 4x4 7.3 turbo diesel
    1989 chrysler conquest. 2.6 turbo and other goodies
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    1987 dodge raider with a 2.3 turbo diesel swap. in good hands with Kane.

  4. #4

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    Quote Originally Posted by wrngwae View Post
    it is a good idea. i ran a holley fuel pump to the injection pump. your injection pump is also your lift pump. it will wear out quicker with out a small low pressure lift pump. if all you have is your high pressure pump, put a "T" into the return line so it sorta just recirculates. you will have faster starts and better mileage.
    I'll get a pic of this setup in a day or two. :o

    Kane

  5. #5


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    i guess ill be watching this thread for some info...gonna need it in the future...

    i love this forum...:D

  6. #6

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    Quote Originally Posted by wrngwae View Post
    it is a good idea. i ran a holley fuel pump to the injection pump. your injection pump is also your lift pump. it will wear out quicker with out a small low pressure lift pump. if all you have is your high pressure pump, put a "T" into the return line so it sorta just recirculates. you will have faster starts and better mileage.
    So I can actually leave the stock high pressure pump in the tank and run this "T"?

  7. #7



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    I would probably put a 3 port regulator in the line so I could set the pressure I want, and feed the rest back to the tank.
    Pennyman1
    The best Dodge that Dodge never made
    Living the D-50 lifestyle since 1980

  8. #8



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    thanks Kane, yea it is really easy and very affective. hey pennyman,,,,that is a great idea....i had a mechanical pump on the raider swap so,,,,if you have a stock electrical pump than that is a bonus. just be careful as the diesel is alot heavier and will thicken up in the colder temperatures. i removed the stock gas filters because they kept jelling up. i used the stock diesel heater/filter.
    Real Trucks dont need spark plugs,,,,,,black smoke dont mean it broke.....
    2000 f250 Super duty crew 4x4 7.3 turbo diesel
    1989 chrysler conquest. 2.6 turbo and other goodies
    missed
    1984 ram50 2.3 turbo diesel
    1987 dodge raider with a 2.3 turbo diesel swap. in good hands with Kane.

  9. #9



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    For us here in the snow belts an anti gel additive in the fuel for winter solves the diesel winter blues. However, even that will not help with bio-diesel or wvo - you must heat it up to prevent gelling - too much fat and wax in the fuel.
    Pennyman1
    The best Dodge that Dodge never made
    Living the D-50 lifestyle since 1980

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