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  1. #1

    Pitch info on 163mm mag skat pump 335hp 8800rpm

    So I just built my 2005 rxp 335hp by eastside powersports. I have a 163mm mag pump with med cone and skat venturi with R@d hydro steering nozzle... Glen and I started at 15/23 swirl and well we missed big... I gun it and 6600 to 6800 6900 max(superchager is not slipping). I need to be hitting 8800 power band to really feel the potential of this build. WHAT PITCH SHOULD I RUN??? Chris and I are thinking 15/20 but that is only on a stock pump.. Will be calling Glen tomorrow and buying another prop asap.. (please only people with experience with this mag pump)

    list of parts:
    163mm mag pump
    skat venturri
    r@d steer nozzle
    137 e tec x charger
    4in intake
    fizzle intercooler
    Riva rail 80lb injectors
    tdr +08 water box
    riva fuel pump
    re mapped ecu ( again 8800rpm is the target running rpm)



  2. #2
    formerly Gold06RXP Turbo Nick's Avatar
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    That pumps to big. Use a 160

  3. #3
    Quote Originally Posted by Turbo Nick View Post
    That pumps to big. Use a 160

    I got a hell of a deal on this pump $1100 with prop... I understand it is over kill but would like to run it.. Do you think I can run it with the right prop and rings??

  4. #4
    Quote Originally Posted by 99spxxx View Post
    Quote Originally Posted by Turbo Nick View Post
    That pumps to big. Use a 160

    I got a hell of a deal on this pump $1100 with prop... I understand it is over kill but would like to run it.. Do you think I can run it with the right prop and rings??
    Plus I already bored the pump shoe and the nozzle ring to fit pump...

  5. #5
    formerly Gold06RXP Turbo Nick's Avatar
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    Maybe if you got like a 10 pitch prop. Lol. It's just to big. It would take a turbo running big boost to turn any sort of prop in that thing. SC just isent gonna do it

  6. #6
    does anyone want to do a trade deal if I make the choice to switch... Nick have you been through this before or are you just giving an opinion? I do take you seriously but don't want to switch pumps if I don't have too...

  7. #7
    rxpdoo's Avatar
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    nick might be right but I still would try running a small prop first until you hit your target rpm start with a 14/19 and see where you are at. by the way your boat looks great.

  8. #8
    Quote Originally Posted by rxpdoo View Post
    nick might be right but I still would try running a small prop first until you hit your target rpm start with a 14/19 and see where you are at. by the way your boat looks great.
    What do you think I should get a four blade or 3 blade?? Already have the 3 blade..

  9. #9
    not really looking to have crazy top speed just sick hook up and pull

  10. #10
    formerly Gold06RXP Turbo Nick's Avatar
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    I have experience going from a 155 pump to a 160 pump on an FZR and the pitch needed on the 160 is much less vs the 155 given all things equal.

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