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Thread: Fuel cell with external walbro 255 wiring

  1. #1
    Mitsu booster
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    Fuel cell with external walbro 255 wiring

    Trying to narrow this down.... 1985 glht

    The stock in tank pump has been deleted as well as the stock secondary inline pump. I replaced it with a walbro 255 external pump (yes it is very low beneath the fuel cell) the issue I am running into is it will prime but it will push fuel. Any ideas?

  2. #2
    turbo addict
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    Re: Fuel cell with external walbro 255 wiring

    I'm confuse, are you using a aftermarket fuel cell or stock tank?

  3. #3
    turbo addict
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    Re: Fuel cell with external walbro 255 wiring

    I also run a fuel cell and a pair of 255's (twin engine car) I used the factory wiring to control a relay that gets direct battery power through a 10 gauge wire for the walbro pump fuel pump. Mine primes and works like factory. How is your wired?

  4. #4
    Mitsu booster
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    Re: Fuel cell with external walbro 255 wiring

    - - - Updated - - -

    Quote Originally Posted by shadow88 View Post
    I also run a fuel cell and a pair of 255's (twin engine car) I used the factory wiring to control a relay that gets direct battery power through a 10 gauge wire for the walbro pump fuel pump. Mine primes and works like factory. How is your wired?
    I used the power and ground from the stock secondary pump and just tranfered that to the walbro.

  5. #5
    Mitsu booster
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    Re: Fuel cell with external walbro 255 wiring

    It is getting fuel up to the afpr and not getting past that. So I switched the afpr back to the stock fpr and still not getting past it into the rail

  6. #6
    turbo addict
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    Re: Fuel cell with external walbro 255 wiring

    Stock fuel rail and regulator?

    Sounds like you are using the fuel return line as fuel feed.

  7. #7
    Supporting Member Turbo Mopar Contributor "Top Fuel" Bender's Avatar
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    Re: Fuel cell with external walbro 255 wiring

    should be fuel pump , filter, injectors (rail) THEN regulator back to tank
    10's AGAIN '07, '08, '09
    TFB Fabrications custom billet machined parts for you Turbo Mopar

  8. #8
    boostaholic Turbo Mopar Contributor
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    Re: Fuel cell with external walbro 255 wiring

    Quote Originally Posted by dartswinger View Post
    ...the issue I am running into is it will prime but it will push fuel. Any ideas?
    It will prime, but it will push fuel? That doesn't make sense.
    Nick G. 1984 Dodge Rampage

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