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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 II 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
    Supporting Member II Turbo Mopar Contributor Nemesismachine's Avatar
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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 TI (TII coming soon!)

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