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  1. #1

    Join Date
    Jul 2007
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    Montreal, Canada
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    Wear ring clearance on new wear ring?

    What is the normal clearance on a new wear ring? I put a new wear ring on my sportster LE with the 155mm pump, and I find that the gap is quite large, around .020" with a new impeller.


  2. #2

    Join Date
    Feb 2007
    Location
    naples, fl
    Posts
    61
    That doesn't sound good, my old impeller had a noticeable gap and it sucked.
    My new one is actually so tight that you cannot see a gap at all, it is perfect.
    The improvement in performance for me is incredible. Zero cavitation even at WOT.
    I have a C180 and the 14/19R impeller.

  3. #3

    Join Date
    Jul 2007
    Location
    Montreal, Canada
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    Thanks! The gap that I have is about .020" with a new OEM wear ring and a new solas impeller. Does anyone use aftermarket wear rings? any ideas where I could get a tighter wear ring?

  4. #4
    mrbtd's Avatar
    Join Date
    Jul 2005
    Location
    Lindenhurst, Illinois, United States
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    +1
    2
    Could be impeller wear. Even with a perfect prop it wears from the outside in.

    Send to someone like Impros to add material back (assuming the ID of the wear ring is correct).

  5. #5

    Join Date
    Jul 2007
    Location
    Montreal, Canada
    Posts
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    The impeller is three weeks old from Impros.

  6. #6
    Looking for a job gtxsc03's Avatar
    Join Date
    Dec 2005
    Location
    St. Charles, MO
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    1,426
    Pull out the wear ring and double check that it's 155mm. Max wear is .014" (.35mm).
    Last edited by gtxsc03; 08-26-2008 at 07:33 PM.

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