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  1. #1

    Join Date
    Jun 2006
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    Fredericksburg, virginia
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    Question switching impellers

    ok i have a best of 8250rpms on my ski now with the 14/19 impeller im going to upgrade to a 15/20 impeller i was just woundering how much of a drain it will be on my rpms like how much it will pull them down


  2. #2

    Join Date
    Jun 2006
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    Fredericksburg, virginia
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    152
    and if i would gain any mph or loose figure im running 73 now with the 14/19

  3. #3
    Site Admin Green Hulk's Avatar
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    Apr 2005
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    Morgan City, LA
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    Hopefully it will bring your RPM's down to 8100-8150 where they need to be and it will add more speed. The 15/20 is 1 mph faster than the 14/19 at the same RPM's

  4. #4

    Join Date
    Jan 2007
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    Lakeland, FL
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    But what are the chances he can properly turn a 15/20 with pretty much just an external IC?

  5. #5

    Join Date
    Jun 2006
    Location
    Fredericksburg, virginia
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    152
    well thats a plus that its not going to be a over kill on my ski but yeah vx1 this winter witch is almost here for me in virginia im going to put the riva ecu and go into my supercharger but that is still a few months away so im geussing i should be in the mid 70s i hope anyway

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