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  1. #1
    Drummer0314's Avatar
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    GTX Impeller Help!!!!

    I just replaced the wear ring and impeller in my GTX SC and the impeller is a solas concord 12/20 and before i ran 60 mph at 6,000 to 6,200 RPM... No i cant even hit 50 without pushing 8,100 RPM's...and a 10 MPH wakezone idle puts me at 3,000 rpms..but riva says that impeller is the stock pitch and all so dont understand my difference someone help....


  2. #2
    Quote Originally Posted by Drummer0314 View Post
    I just replaced the wear ring and impeller in my GTX SC and the impeller is a solas concord 12/20 and before i ran 60 mph at 6,000 to 6,200 RPM... No i cant even hit 50 without pushing 8,100 RPM's...and a 10 MPH wakezone idle puts me at 3,000 rpms..but riva says that impeller is the stock pitch and all so dont understand my difference someone help....
    what year is your GTX?

  3. #3
    Drummer0314's Avatar
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    its an 2004 non-intercooled

  4. #4
    Quote Originally Posted by Drummer0314 View Post
    its an 2004 non-intercooled
    is it stock?

  5. #5
    Drummer0314's Avatar
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    it has a B.O.V

  6. #6
    Quote Originally Posted by Drummer0314 View Post
    it has a B.O.V

    blow off valve?

  7. #7
    Drummer0314's Avatar
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    yea sorry

  8. #8
    jpeconsult's Avatar
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    That ski runs optimal at 7600 RPM. First, I would pull the hose off the SC and check it by sticking your finger and trying to rotate the impeller. I think there may be SC issues in addition to impeller tweeking that may need to be done. Check that SC and let us know. Lets start cancelling things.

  9. #9
    Quote Originally Posted by Drummer0314 View Post
    yea sorry
    I`m confused now, stock 185 GTXSC ski`s are non intercooled, why do you have a BOV and how are you getting 8100 rpms?

    are you using GPS numbers or the stock speedo?

    also the 12\20 is a bit steep for a stock ski, you should have lost rpms... trying to help ya...

  10. #10
    jpeconsult's Avatar
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    PS...Listen to Andy (PaleRider)...he has been around the block with the 185 platform.

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