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    Stock fuel pump to aftermarket tank
    #1
    Millenium Member Lug-Nuts's Avatar
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    So I have a 1999 gsxr 750 powered buggy. I made a fuel tank for it, but am staring to see some cracks form on a welded seam.

    I want to replace the metal tank with a larger volume poly tank, or aluminum. I dont want to spent a ton of money on the aluminum tank.

    The fuel sending unit is oval, and all the tanks I have seen with a sending unit mount built in are for the round style.

    How can I make the poly tank work with this sending unit? The unit bolts to the flange. Plastic would not work for this. I would need some type of backing plate to bolt through on the inside of the tank.

    Here's a couple pics of what Im looking at.

    Any suggestions would be greatly appreciated.

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    Re: Stock fuel pump to aftermarket tank
    #2
    Millenium Member Lug-Nuts's Avatar
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    Or, do I get a different fuel pump altogether if so what am I looking for as far as psi and all that.

    Can I remove the pump from the unit and use that somehow?

    Anyone ever do this?
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    Re: Stock fuel pump to aftermarket tank
    #3
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    Would the newer style round pump work on your engine? More than likely you would have to lower the PSI but there would be more options for a tank. Just an idea.......
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    Re: Stock fuel pump to aftermarket tank
    #4
    Millenium Member Lug-Nuts's Avatar
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    It should, thats always a option. I would even consider a different pump. I do like the plug -n- play of the stock unit. I do have a soldering iron and shrink tubing. I can modify I guess.

    This unit is F.I. so the psi should be ok, I would think.
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    Re: Stock fuel pump to aftermarket tank
    #5
    Seņor Banned Member Chikin's Avatar
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    I use this fuel pump. It's harder to do this way. See I removed my fuel regulator and installed a aftermarket one off eBay. But when you do this.... You need a return line for the fuel to let off the pressure. See I can jump it to 65+ psi. I only need 40 to 42 psi for my honda blackbird 1100.

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    Re: Stock fuel pump to aftermarket tank
    #6
    Seņor Banned Member Chikin's Avatar
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    Sorry for muttilpe post but iPhones suck.

    So here is the end of the fuel rail that used to have the regulator in it. But is now a flow through and the hose that comes off of it... Now has the regulator and return line.







    So here is what the regulator is.
    Look at this on eBay:

    ADJUSTABLE RED FUEL PRESSURE REGULATOR 0-140 PSI GAUGE+HOSE KIT

    http://bit.ly/Jy9Kxt




    And here is my tank. 5 gallon custom aluminum tank. Tip over vent block. One feed and one return line.
    Last edited by Chikin; 01-03-2014 at 05:24 AM.
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    Re: Stock fuel pump to aftermarket tank
    #7
    Millenium Member Lug-Nuts's Avatar
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    I need to look into that, I have a fuel return already. Hmmm I wonder???

    The original tank has a vent, and a return line, along with the supply line. It has all that, things may have just got a little easier. I like easy
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    Re: Stock fuel pump to aftermarket tank
    #8
    Millenium Member Lug-Nuts's Avatar
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    So what fuel pumps do other people run in a F.I. gsxr mines a 750 any suggestions???
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    Re: Stock fuel pump to aftermarket tank
    #9
    Senior Member NoClue's Avatar
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    Check the engine specs as to what psi it needs. You'll need a pump that can at lease make that psi minimum. Then you can use a regulator to bring it down.
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    Re: Stock fuel pump to aftermarket tank
    #10
    Seņor Banned Member Chikin's Avatar
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    We'll here is what you need. Now this one is expensive. But look at the line in and out. See how it's a barb fitting on both sides.... We'll this will allow you to hose clamp the lines on. You could search google for pumps with the same fittings. Then search for a cheaper pump.

    Universal External Inline 255 LPH Fuel Pump - TRE - TREperformance.com


    Since the gallons per hour say it's high flow. We'll that doesn't really make a major difference with bike motors. See this would apply of your engine would suck down fuel at a huge rate. Hence you wouldn't run dry or lean. But with the small (compared to a v8 double pumper motor with a blower)
    Would not have a issue setting up the regulator to 45 psi with most all inline fuel pumps.

    Just google inline fuel pump. And make sure it's a fuel injected pump.
    See they make inline pumps that need to flow 8 psi to carburetors (gravity feed basically )
    And then the other end is fuel injected that needs more ( does that make sence?!?!?)

    I will post more links in a few minutes.
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