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  1. #1
    BlackHawk's Avatar
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    ET on a RXP X260

    Looking to move my ET 70/145 on the RXP x260....has anyone done it?
    if so what all did you change (fuel pump, injectors size, impeller size, vtec map...)?


  2. #2
    GRF + DashPac:) seadoo02xp's Avatar
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    I did it. But when I did I went to motec. On the stock ecu you obviously will need some kind of tune. Or a stand alone ecu. Rising rate regulator. A walbro fuel pump is cheap insurance. I would say run those vtech 1100cc injectors with there logger to get it dialed in right. If you have the money to spend then without question go with the motec m130 and injector dynamics 100# injectors. You will need a 15/22 prop as well. If you haven't done so already you will need a larger better IC. I like the riva gen 3. Again its all a matter of how much you are willing to spend. Motec is the shit hands down! But it's expensive

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    GRF + DashPac:) seadoo02xp's Avatar
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    Also this may have been a bad intake but I did split a stock intake in half with this charger also. If you decide to go vtech just be prepared so slow support and response times. Search the forum you will see

  4. #4
    iron head's Avatar
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    Quote Originally Posted by seadoo02xp View Post
    Also this may have been a bad intake but I did split a stock intake in half with this charger also. If you decide to go vtech just be prepared so slow support and response times. Search the forum you will see

    =10

  5. #5
    GRF + DashPac:) seadoo02xp's Avatar
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    Gut your water box or get the riva one otherwise you will keep popping the water box off the midpipe with this charger

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  7. #6
    Water4fire's Avatar
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    Quote Originally Posted by seadoo02xp View Post
    Gut your water box or get the riva one otherwise you will keep popping the water box off the midpipe with this charger
    Yep, because this is what mine did with just my 2Rude. I hated it. Yes you can T-bolt clamp it, but if it is backing up that much you need a free flowing exhaust.

  8. #7
    www.eastcoastpwc.net Scott's Avatar
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    Quote Originally Posted by seadoo02xp View Post
    Gut your water box or get the riva one otherwise you will keep popping the water box off the midpipe with this charger
    Haha. Just happened to me this morning

  9. #8
    BlackHawk's Avatar
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    Vtec has been spot on for me...I get super quick response from Jonathan....and I'm really happy with there maps

    I have a 15/22 sitting on the shelf....did the IC upgrade to the older IC with the riva pipes....also the riva through hull exhaust
    How did you all gut the new water box? Anyone using the Rotex hydraulic kit?
    I also have some 60# injectors sitting around....not sure if I should just run with them...fuel pump is a must.

  10. #9
    GRF + DashPac:) seadoo02xp's Avatar
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    Stock injectors aren't going to be able to fuel this charger . The amount of boost it will run can kill your motor in a hurry if it's not tuned right. So if you are running vtech I assume you are logging afr with there logger?

  11. #10
    We have many skis with rude 3 and similar sc.

    They all run setup similar to this:
    Stock fuel pump and regulator.
    Vt11 injectors.
    4" air intake.
    Upgraded waterbox and intercooler.
    Thru hull exhaust.
    Retainers./ springs
    R n d intake grate
    15/21 or 22 impeller.
    Or speed freaks 13.5/21.5 w setback mod.

    And of course the Vtech programs.

    They work very well with this setup and have won several races already.

    This setup is for Bosch based skis only!

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