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  1. #1
    PWCToday Newbie M.R.'s Avatar
    Join Date
    Aug 2015
    Location
    Germany
    Age
    37
    Posts
    5

    JS550 / PJS Viper 7000 / Setup

    Hello,
    I have a pjs viper 7000 in my JS550 (1986) and have a few setup questions.

    I have installed the oem JS550 pump with a Skat 15 impeller only this is too small.
    which impeller can you recommend?
    Solas 13/18
    Solas 14/19
    Solas 16
    Solas 17
    Solas 18

    or better a Skattrack?

    where is the advantage of an impeller with two pitch?

    Greetings from Germany....
    Michael

  2. #2
    Frequent Poster JustStandups's Avatar
    Join Date
    Jun 2006
    Location
    Sacramento
    Age
    34
    Posts
    195

    Re: JS550 / PJS Viper 7000 / Setup

    Most common setup I have seen with that motor is the 440 style pump and a 17 pitch impellar. The pjs vhp7000 ski they made had that motor and 440 style pump with 17 pitch as a factory ski. I have heard many people like running the rhaas 750 pump conversion with a lower pitch impellar 9/13ish on that motor. I have heard those don't work well with the 550 pump. The viper motors make all the power on the high rpm's.

    Sent from my SM-G960F using Tapatalk
    VHP7000 #132 T1
    VHP7000 #169 T3
    VHP7000 #174 project PJS Triple 795cc
    550sx PJS all over w/ 440 fully ported

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