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  1. #1

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    RXT Impeller Help

    I have a 06 rxt with 4"fizzle intake, catch can, xcharger, 42lb bosch injectors and riva water box and thru hull exhaust.

    what impeller should I use, I have read 14/19 and 15/20? I have both.

    thanks
    Bill


  2. #2
    SPEED COMES 1/10 @ A TIME SpeedFreeks Racing's Avatar
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    i would go for the 15/20 re-pitched to something like a 12/18 the 15/20 impeller re-pitched will be about 1 mph faster on top end than the 14/19.................... the 15/20 re-pitch will also be a little better with prop spin out of the hole.

  3. #3

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    Thanks

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