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  1. #1
    Fast & Loud meeper's Avatar
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    1-1 Fuel Regulator

    http://www.piranha-parts.com/pp1650.htm

    what do you all make of this?

    stock fuel injectors? riva ecu and 50lb injectors....

    i am sure if you run this with riva products then the b-kit and rude a/f would be right on....

    i also noticed that they now have the Green hulk washers and sc impeller on their site...

    also they state b-kit sc 14.5lbs at 8150 16lbs at 9000
    Last edited by meeper; 06-19-2007 at 10:15 AM.


  2. #2
    Site Admin Green Hulk's Avatar
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    BDNJ used the rising rate fuel pressure regulator some time back. It's a Les Cooke product. He will be able to give you some feedback on it.

  3. #3
    Fat Man, Little Boat Region8Ultra250X's Avatar
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    Vortech makes an FMU as well it's about half the price of the piranha piece

  4. #4
    is thinking. grantuk's Avatar
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    What do you mean FMU?

    I need one of these fuel pressure regulators and would like to find a good one as cheap as possible.

    $420 is the best so far, anyone know where else i can get one cheaper?

  5. #5
    BDNJ ran it along time ago. It worked, but you DO need larger fuel injectors. It can only dump as much fuel as the injector will allow, so you would still need 50lb injectors. He ran it with a les b-kit.

    PS- I bet you could buy it off BDNJ. He has moved on to bigger and better things, since then.

  6. #6
    Fast & Loud meeper's Avatar
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    yeah so have i, was just posting for everyone, wanted to see what thoughts were....

  7. #7
    is thinking. grantuk's Avatar
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    I need to be able to use the standard injectors as per the IJSBA '4 stroke LIMITED' rules.

    I believe these DO work with the stock injectors and with an aftermarket impeller and even a B-Kit charger.

    I just need to find one as cheap as possible as i'm on tight budget.

  8. #8
    Fat Man, Little Boat Region8Ultra250X's Avatar
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    Quote Originally Posted by grantuk View Post
    What do you mean FMU?

    I need one of these fuel pressure regulators and would like to find a good one as cheap as possible.

    $420 is the best so far, anyone know where else i can get one cheaper?
    Fuel management Unit.... it increases the fuel pressure similar to the piranha one but is about half the price


    http://www.vortechsuperchargers.com/...p=35&cat_key=5


    Vortech fuel pressure regulators feature an adjustment range of approximately 25-80 PSIG. Each unit is manufactured using 6061 T-6 billet aluminum and has a blue anodized finish. A vacuum/pressure port allows for a 1:1 gain when used in boosted applications.


    208.00 seems like a no brainer to me

  9. #9
    ROTAX RACING performance
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    I tested both of the fuel controler, the vortech unit is on my Kawasaki 15 SC ( it was incl. in the SC kit)

    the Les fuel pressure regulators runs fine in 3 RXPs i build

    the Vortech unit will not fit at all on the RXP fuelpump

    but the Les build one is ready to go for the RXP pump and from verry high quality, it has a gauge as well, because if you start your ski with a "un calibrated fuel pressure" the engine can break in 10 sec.

  10. #10
    is thinking. grantuk's Avatar
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    So does the Les one need calibrating before I start the engine or can i fit it and use it?

    What should the gauge read and idle/WOT?

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