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  1. #1
    AReiter's Avatar
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    New Pump Support?

    I have an 04 RXP and the hole shot on it was quite slow so I figured it needed a new wear ring or possibly my impeller needed to be referbished or replaced. So i go and take off my housing and come to find out all of my fins on the pump support were chewed up. This is the source of my problem right? Where do i go from here? I've read some threads on this piece and it sounds like it's a pain in the ass!!



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  2. #2
    Got Boost? psycho rxp's Avatar
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    Cut them all out, and grind them flush. Also your prop nose cone came off your prop, which will cause loss of RPMs, and some cavitation as well. It should be red locktited to the prop.

  3. #3
    home of the dislexic fingers breon's Avatar
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  4. #4
    AReiter's Avatar
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    So if I cut all all of the fins down and flush I won't have to replace the whole pump support? And this will take care of my issue of not getting the proper thrust out of the hole?

  5. #5
    Sturm215's Avatar
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    correct and lock tite that prop cone as Physco suggested.

  6. #6
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    Good deal, I wasn't looking forward to yanking that thing off! So what is the purpose of the fins and why does it make my hole shot slow with the way they are now?

  7. #7
    AReiter's Avatar
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    Also, how easily should that nose cone come off the shaft so I can loctite it to the impeller? I can't seemed to pull it off.

  8. #8
    Got Boost? psycho rxp's Avatar
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    Quote Originally Posted by AReiter View Post
    Also, how easily should that nose cone come off the shaft so I can loctite it to the impeller? I can't seemed to pull it off.
    Should come right off. Only an oring, unless its folded over inside.

  9. #9
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    Yup thanks for the help I got it. I don't have any red locktite though, will the blue work or should I go out and buy some red?

    I've also read some threads on the forum saying that a bad carbon seal or the boot being bad can cause cavitation as well. I was able to look on the bottom of my haul and I saw the definite black line going across the hull from the water being thrown off the carbon seal. Whats the best way to go about fixing this? On the thread I was reading the guy put a zip tie on the boot and it fixed his problem but I want to do it the right way because I will need to pull my supercharger anyways for the 100 hour rebuild. Thanks for any advise.

  10. #10
    Got Boost? psycho rxp's Avatar
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    Quote Originally Posted by AReiter View Post
    Yup thanks for the help I got it. I don't have any red locktite though, will the blue work or should I go out and buy some red?

    I've also read some threads on the forum saying that a bad carbon seal or the boot being bad can cause cavitation as well. I was able to look on the bottom of my haul and I saw the definite black line going across the hull from the water being thrown off the carbon seal. Whats the best way to go about fixing this? On the thread I was reading the guy put a zip tie on the boot and it fixed his problem but I want to do it the right way because I will need to pull my supercharger anyways for the 100 hour rebuild. Thanks for any advise.
    Red works the best, but blue should work.

    A new accordion boot, and clip, works wonders with the Bellow band.

    Fixes most cavitation Speedfreeks Bellow Band - $69.00 : PWCPerformance.com

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