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  1. #1
    GPRFREAK2011's Avatar
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    Cool Starting my GPRXP conversion

    Hello everyone. After reading, researching, and looking up cost, I decided to finally build a GPRXP. I just picked up a seadoo rxp with 150 hours with a locked motor for $500. Pretty sweat deal. I took the motor apart and replaced the piston and bent rod it had. Currently, I am putting the engine back together to continue the swap.

    Things I have not found on this forum is how people modify the coolant system. What I mean is the anti freeze lines that go through the hull on the rxp. I belive that a U shape coolant line will work the same but I rather hear from someone that has done the before.

    Another question would be, where would I get my gprxp motor mounts and shaft? They were on ebay but now there not.

    I will post up picks on my conversion when I finish putting my motor together and ready to start stripping the hull.


  2. #2
    SLASHER's Avatar
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    Pm Addicted , iam sure he makes the engine mount kit and shaft kit ..

  3. #3
    GPRFREAK2011's Avatar
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    What X ic would be best for the gprxp conversion. I have seen many types but I want to occupy minimal space. I found this on ebay and I would like to hear suggestions.
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  4. #4
    xxx2's Avatar
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    Believe addicted said he wasn't making any more some time last season. he made the aluminum and stainless ones on ebay, I think the designs are still on hydrotoys website, you can always pm him and ask. Mike did my mounts and my mid shaft. work is a+

  5. #5
    Steve-m31164's Avatar
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    With yr coolant question you need a heat exchanger.... Plenty of info on this site.... Good luck with yr build...

  6. #6
    GPRFREAK2011's Avatar
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    I PM addicted and he gave me a great price for mounts and shaft. He just told me to send him my mid shaft as a core and ship it to him. I currently have my 1300 motor in the ski and have to take it out before sending it to him.

    I got alot of work done today though. I put my rxp 215 block back together but noticed that I get compression on cylinders 2 and 3 at 115 and cylinder 1 at 90. Thinking about replacing all the rings but I want to be sure. Little frustrating I can say. Haha

    Also, what would be the best heat exchanger for this project? Ive been looking on the forums and saw people using x ic's with air opening on each side.

  7. #7
    GPRFREAK2011's Avatar
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    Well here we go. Finally sold my 1300 engine and cleaned out the hull a bit. I will be putting in some work today to get this baby ready. Looking to put in the dash, electronics, gas tank, and start cutting the hull. I will post pics as I go and any experience info will be appreciated.
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  8. #8
    GPRFREAK2011's Avatar
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    Well got some work done today. I wanted to get everything ready before dropping in the engine.
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  9. #9
    SLASHER's Avatar
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    Keep the pics coming , Iam about to do one in 4 weeks

  10. #10
    GPRFREAK2011's Avatar
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    I will no worries. Cant wait to get some parts to continue on. Im getting ready to do some more hull work this weekend

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