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    Plumbing Return Line from Regulator
    #1
    Senior Member
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    Jan 2015
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    Norco, CA
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    ok, so looking for guidance, how to plumb the regulator return line?
    1) back to pump inlet,
    2) back to pre-filter inlet
    3) or to the top of the fuel tank?

    this is for FI system with Bosch 044 pump
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    Re: Plumbing Return Line from Regulator
    #2
    Millenium Member plkracer's Avatar
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    Aug 2006
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    Monroe Wa
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    3,590
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    It should be somewhere where air can escape, and were you can sink some heat. Back to the fuel pump will heat the fuel considerably, unless it is being used.

    Back to the tank, whether top or bottom would be the best.

    I would personally route it to the bottom of the tank, no need to drip and aerate it any more.
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    Re: Plumbing Return Line from Regulator
    #3
    Senior Member
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    Jan 2015
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    sounds good, I only have the option of returning to the top but I can use a bulkhead fitting and run a tube down near the bottom so it stays submerged.
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    Re: Plumbing Return Line from Regulator
    #4
    Member
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    Jan 2016
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    Ohio, which is a long way from the desert
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    #3 - top of tank
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    Re: Plumbing Return Line from Regulator
    #5
    Intense Moderator Rat4020's Avatar
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    Oct 2009
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    Cold Spring MN ...Dunz season's ust around the corner
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    Top of tank
    The question is not if its gona roll. Its when ..

    That be some kind of church cruzzer or commuter bike thingy ?
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