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  1. #1

    2005 GTX SCLTD Impeller Upgrade, Advice Appreciated


    A friend sucked a rock into my impellar this weekend. I will have to replace the impeller and wear ring. I performed a search and found a few different reccomendations. I believe I have a 155mm pump. The solas concord was mentioned a lot. What pitch should I get? 12-20 13-20 14-19? My ski is stock right now. I do plan to upgrade to a stage 1 or 2 over the winter. Thanks in advance!

  2. #2
    King_Of_Fun's Avatar
    Join Date
    Jul 2007
    Catawba Island, Ohio
    Which engine do you have? The 185-hp engine has the 155-mm pump and the 215-hp engine has the 159-mm pump. On another note, have you changed the ceramic SC washer to the metal washers?... Ron

  3. #3
    Thanks for replying. I have the intercooled 215 hp engine. I thought the RXT had the 159 mm pump and the GTX had the 155mm pump, hmm. I do plan to upgrade the SC, how do the "X" and the green wheels compare?

  4. #4
    Annapolis finest Walt2GPinPA's Avatar
    Join Date
    Jun 2008
    Annapolis, MD
    crazy thing. I sucked up a rock before and it scored the housing. I got a solas 12/20 impeller - I think - and it runs great. I sucked up another rock, in the same exact place, and I knew what I did so I instantly shut it off. the new impeller with the different pitch from stock allowed the rocks - 2 this time - to bounce around instead of lodge into the housing.

    I made a mental note to not park the ski in the same spot anymore.

  5. #5
    Focker Foggy's Avatar
    Join Date
    Oct 2007
    Olathe KS
    The 215 hp engines have the 159 mm pump
    If you are completly stock, I would recommend the solas 13/18

  6. #6
    Focker Foggy's Avatar
    Join Date
    Oct 2007
    Olathe KS
    The 13/18 should be perfect right out of the box.
    Just make sure you loctite the nose cone to the impeller,
    otherwise you will have issues if it slides up the driveshaft

  7. #7
    Thanks guys. I ordered the parts from Jerry. Can't wait!

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