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  1. #1
    Jknauer00's Avatar
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    Pressure relief valves.

    Anyone have tips on these I have 4 holes in my pump shoe. I wanna know if that's enough. My motor did 87 last year in a rxp. Now with the gp hull Wanna be safe and get this right. I have pmed duke but I think messages aren't going threw. If anyone has some input please let me know


  2. #2
    Mod less, ride more! troyheb's Avatar
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    Alot depends on how your ski is set up. I have 2 holes in my shoe. I run a Seadoo pump and have 2 PRV's in the pump adapter. My ski wants to stuff around 86-87 mph. My adapter was already drilled for another, so I am adding it later this week.

  3. #3
    Jknauer00's Avatar
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    Yea I'm running a custom pump from Philip. I don't have a pump adapter. Click image for larger version. 

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  4. #4
    Jknauer00's Avatar
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    I have intake grate and ride plate mod also. Ride plate is angled up and trim tabs shimmed.

  5. #5
    Mod less, ride more! troyheb's Avatar
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    I would start with 2 PRV and see what happens.

  6. #6
    Jknauer00's Avatar
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    Question is where do I get them? And where do I put them?

  7. #7
    Mod less, ride more! troyheb's Avatar
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    Not sure where to put them on your settup. Duke does not get on here much anymore. Try contacting WFO for a relief valve settup.

  8. #8
    Jknauer00's Avatar
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    Ok thanks for your help

  9. #9
    2000 GPRXP 4tec shooter98xpl's Avatar
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    Get them at lowes, 1" water valves $20

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