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  1. #1

    Join Date
    Sep 2007
    Location
    Myrtle Beach, SC
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    83

    Which OEM impeller for top end speed?

    Seadoo 271001386 (03-04 NA 4 tec)
    Seadoo 267000115 (05 NA 4 tec)

    Either of these will fit on my 02 GTX 4 tec. What are the differences? Which one will give more top end?
    Thanks, Lee


  2. #2

    Join Date
    Sep 2007
    Location
    Myrtle Beach, SC
    Posts
    83
    Called the local Seadoo dealer and they didn't have a clue why the impeller was changed or if there were any differences between these 2 impellers. They suggested I give Riva a call which I did and they were as clueless as the dealer.
    Anybody here have a clue why the change from the 03-04 impeller to the newer 05 design? Cheaper? Better torque? Better top end? Is one a swirl and the other not?

  3. #3
    gtxscrider's Avatar
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    May 2007
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    miami,fl
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    897
    the stock prop for a gtx sc is 12/20 if you want more topend leave the impellar alone and just a air intake or a external intercooler both will give 1-2mph its aot easier then messing with prop yet.

  4. #4
    JFizzleJR's Avatar
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    Aug 2005
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    FL
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    808
    the ski is a NA so idk what adding an intercooler would do..

  5. #5

    Join Date
    Sep 2007
    Location
    Myrtle Beach, SC
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    83
    It's my fault for buying a regular NA GTX instead of an SC GTX. Nobody has one so there is no info available. Anyone have a tech support # at Seadoo?

  6. #6
    gtxscrider's Avatar
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    May 2007
    Location
    miami,fl
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    897
    lol forget the ic i though it was supercharged. but the intake will help you get the engine more air .

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