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    Aeromotive fuel regulator plumbing?
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    Super Moderator TutTech's Avatar
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    Question with my bike engine the fuel rails dead end into the motor..
    I have only plumbed the fuel regulator after the rails on big engines... so the regulator has to go before the rails.

    So I didn't see in the instructions how to do this.
    http://aeromotiveinc.com/wp-content/...9/12/13101.pdf

    I am sure many of you have ran into this situation so what is the best way to eithe plumb the regulator or run the the fuel set up.

    Also do you guys run a line back to your tanks if your running a safety fuel cell and what is the best way to do that.
    Run back into the vent side and do you do a T fitting dumping back in that side with the breather or without the breather? Do you turn it into a sealed system? Or leave it to vent? Venting helps fuel faster etc. but if the engine needs to be sealed for EFI etc. would be nice to know.

    Any other thoughts would be great.

    I have a bosch fuel filter and then a bosch fuel pump running in line. Then looks like I have to do my regulator then into my fuel rails.

    I have a 600cc gsxr 2005

    Thanks.


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    Re: Aeromotive fuel regulator plumbing?
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    Vendor yoshi's Avatar
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    I have never tied the return line into the breather, not sure if it would try to push fuel out the breather or not if the breather was high enough.....?
    www.SinisterSandSports.com
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    Re: Aeromotive fuel regulator plumbing?
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    Vendor yoshi's Avatar
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    I forgot to draw the breather line in that diagram, but there should be one.........
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    Re: Aeromotive fuel regulator plumbing?
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    Super Moderator TutTech's Avatar
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    The breather starts off my tank goes up to the roof, then across and then down the other side of the car.. I would tee into the very bottom at the fitting comming off my fuel cell.. then the tee going up would then be the breather.
    So all the fuel has to do is drop down into the tank.. so it can't back up to the roof..
    We shut down when fueling so it will breath out normally. Then fire up and off we go.

    Dang I do see a big problem with the Check valve in the tank being down in it and fuel coming back in ontop of it.... IF I am ever upside down I better shut off my buggy quick.. or put another 1 way valve after this.. so the pump wont run fuel out the breather.. Ok I have some work to do there..

    Should work.. but just wanted input on this... with it being a metal outer and plastic inner bladder it would be tough not impossible just tough to add another fitting at this point.


    Ok.. so let me see if I can follow your diagram?
    Your using the regulator to relieve pressure that builds back from the rails... the regulator releases the extra psi from the pump by being Tee'd in with the rails.
    So working like a flood gate.

    Ok. Makes since. I knew you guys had a perfect way to do this.
    Thanks a lot Yoshi I appreciate that diagram very cool.




    Thanks
    Last edited by TutTech; 08-06-2011 at 02:06 PM.


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    Re: Aeromotive fuel regulator plumbing?
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    Super Moderator TutTech's Avatar
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    Posted at the same time.. Ok no worries...

    Am I over thinking this.. can't the fuel return go back to the fuel pick up line? Tee into it just at the tank.
    Last edited by TutTech; 08-06-2011 at 02:12 PM.


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    Re: Aeromotive fuel regulator plumbing?
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    Vendor yoshi's Avatar
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    Quote Originally Posted by TutTech View Post
    Posted at the same time.. Ok no worries...

    Am I over thinking this.. can't the fuel return go back to the fuel pick up line? Tee into it just at the tank.
    I was told a long time ago it would cause cavitation and can prevent fuel from making it to the fuel pump. Return line has to be separate from pickup line.........
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    Re: Aeromotive fuel regulator plumbing?
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    Vendor yoshi's Avatar
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    Quote Originally Posted by TutTech View Post
    Ok.. so let me see if I can follow your diagram?
    Your using the regulator to relieve pressure that builds back from the rails.


    Correct, your just reliving pressure off the line from the pump to the fuel rail with the regulator.......
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    Re: Aeromotive fuel regulator plumbing?
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    Super Moderator TutTech's Avatar
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    Ya I was thinking something like that might happen.. dang..
    Setting up for another return inlet is going to be a bummer at this point.. shoot.


    Ok..

    Hey thanks a lot Yoshi.


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    Re: Aeromotive fuel regulator plumbing?
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    Admin Gene's Avatar
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    I ran my fuel return to a baffled section of tank away from the tank outlet. The return is actually adjacent but a tube inside the tank moves the return to a higher chamber.

    I wanted to reduce turbulence and heat so the fuel coming to the engine would not be warmed by returned fuel from the engine.
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    Re: Aeromotive fuel regulator plumbing?
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    Super Moderator TutTech's Avatar
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    hmm.. good point as well

    Thanks Gene didn't even think of something like that.
    Ok thanks guys


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