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  1. #1
    Live Fast wave15stx's Avatar
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    post your speed running 14/21 or impros spec impeller

    im still undecided on which impeller i want, for my 15f with riva kit minus impeller lets see some gps numbers for both impellers!thanks


  2. #2
    Having Fun jp1300r's Avatar
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    14/21 - 68.2mph

    JP

  3. #3
    68.4 gps 7526 rpm with Impros 15f spec impeller in cool weather. About 1.5 gps less in the heat of summer.

  4. #4
    Live Fast wave15stx's Avatar
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    do you guys feel a big difference over the stock impeller?

  5. #5
    Quote Originally Posted by wave15stx
    do you guys feel a big difference over the stock impeller?
    Was one of the first mods done. The holeshot felt the same, top end gain was about 1.5 to 2.0 gps.

  6. #6
    Live Fast wave15stx's Avatar
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    nice,thats what im looking for i dont want to loose bottom end but i want to pick up in the big end

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