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  1. #1
    green08's Avatar
    Join Date
    Jul 2009
    KC/ ozarks

    01/05 gprxp same rpm lost 5-7 mph?

    gprxp 8150rpms was running 87+ gps
    now running 83.5 if im lucky at 8150 rpms
    i was running the 1200 single grate when i lost the speed
    put on the ss800 grate and it didnt make a difference maybe couple tenths..
    skat 12 vein dynafly prop look to be in good shape cant see anything wrong..
    any ideas?
    pump or shoes seals???

  2. #2
    westy's Avatar
    Join Date
    May 2007
    Australia (Bundaberg)
    check your pump tunnel and make sure the pump shoe isnt hanging down...

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