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Thread: Fuel setups

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    Senior Member stylz's Avatar
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    Aight
    Well I'm about to do my fuel set up for the car and I'm wondering what set ups every one else is using to stop fuel surging.

    Atm I'm tossing up between a few options from getting a jdm tank to doing a full surge set up or even trying to get baffles/foam put inside.

    But id like to know what every one else has done with thier cars
    VLNY

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    hey mate

    JDM tank is the easiest option, but can be costly, people like to charge around 200-250 for them

    there is a stack of info around about surge tanks

    this is a good thread



    a surge tank setup is a good "do it once, do it right solution", though expensive to do right the first time, if done right you wont ever have to think about it again.

    depends what bargains you can pick up as well for the components.

    heres a good thread from this forum about it



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    Great links, ta for that.

    Decided to surge tank it up.

    WTB: surge tank
    Any one got an under car surge tank to fit under an 86?
    VLNY

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    JDM tank isn't much better than the ADM one.
    personally,I've built an internal swirl pot,with gated baffles into my tank. also opened up a few corners and such(cut open,squared off with new sheet metal,and re-boxed) for some added capacity. under the car,you'd hardly know it's been touched,and is totally legal.

    there's not a huge amount of room under the car for a decent external surge setup,and in-car tanks are illegal.
    best location IMHO is next to the filler neck. you'd ideally cut templates to fit the space as much as possible for maximum capacity. anything less than 1.5l may as well not be there.


    Justin...

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    <div class='quotetop'>QUOTE (fergo308 @ Jul 24 2008, 05:53 PM) </div>thinking back to reading one of sam q's posts a while ago, he says theoretically only 600ml is needed for 45 second of cornering

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    <div class='quotetop'>QUOTE (yoshimitsu9 @ Jul 24 2008, 06:05 PM) </div>yep agreed

    1.5L is way overkill for a 4age

    think about how mcuh fuel that is

    worst case scenario you get 15L/100km (when your thrashing)

    1.5L = 10km (aprox), half it for safety measure, 5km

    no way your gonna need 5km of fuel before the pickup is able to throw more in the tank.

    i reckon 600ML is a good size, a nice long thin tank, so it doesn't swish around to much, pluss any smaller and you wont physically be able to attach hoses to it

    plus...1.5L of fuel is like $2.25 of fuel!!!

    the reason a surge tank is there is to stop the small pockets of air from being sucked up by the pump, its not like when you go round a corner all the fuel is swept up the pickup is completely dry for 5secs. the pickup is only out of the fuel for a VERY small mount of time (when the fuel splashes up etc), but its enough to pick up small bubbles of air and cause misfires, engine crapness etc.

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    yea, i was under the impression that all that you needed was around 1ltr.. if that.
    seeing as the surge tank is just to make sure you have a continues flow of fuel to the engine
    i don't think its really intended to be a extra fuel reseviour. altho theres nothing wrong with that if you have the space to do so
    VLNY

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    bosch 040, flows 102L/H sooo that is 1.7L a minute, thats how much it's sucking up, not how much your using, so you would have to be going around a corner for a whole minute in an empty sorta spot to have any problems

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    Any one had experience with just dropping an efi pump into the stock tank?

    Not down with having to run over half a tank of fuel to keep it from surging tho.

    Best place to conceal a surge setup is in the spare wheel well with a cover over it.
    RT142 Estate.

    AJPS.

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    that's the easiest place to put a surge tank,but it's not legal. even with a cover on it. might be different in SA,but I don't know anyone who'd approve a fuel system inside the cabin here in Sydney.

    a std tank will surge with just under a quarter of a tank left in it.


    as for the capacity thing,it really depends on how hard you're pushing,and for how long. if you can get by with a 600ml tank,that's great. I wouldn't use one that small.


    Justin...

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