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  1. #1
    83.0 @ 8400 jhill19's Avatar
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    What should this setup be running?

    I just installed a few mods on a buddies stock 06 rxp with 114 hours:
    X charger brand new
    42s
    4 inch kanaflex front air
    Resonator bypass
    Riva grate
    Solas 14/19r And a new wear ring
    Filled the ride plate holes and trimmed the reverse bucket.

    Took the ski out yesterday for a few mins, it started raining. Water was very choppy and only got it up to 70.5 water temp was 82-84 and air was a little bit below 90. 4 bars of gas.


  2. #2
    iron head's Avatar
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    74 to 75

  3. #3
    83.0 @ 8400 jhill19's Avatar
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    Do you think the 14/19 is not gonna be enough prop?

  4. #4
    iron head's Avatar
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    I would run a 15/20

  5. #5
    83.0 @ 8400 jhill19's Avatar
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    It was really close to the limiter. I might just have this one repitched since we already have it. I'm running an untouched 15/20 with my 2 rude and in the heat it's turning 8100 rpms.

  6. #6
    b_dolla44's Avatar
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    The speed sounds about right for a 14/19 in a rxp with crappy water. But you should be ALL OVER THE LIMITER.
    Even my wifes rxp with just a gen1 vortech sc wheel and a 4in kanaflex would turn a 14/19,to 8100 in the heat

  7. #7
    83.0 @ 8400 jhill19's Avatar
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    Definitely gonna need a repitch then

  8. #8
    !!!! wave jumper !!!! 05_RXP's Avatar
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    When I got my. X. Charger with my 14/19 it was running around. 72 at 8200 on the limiter.

  9. #9
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    Quote Originally Posted by jhill19 View Post
    Definitely gonna need a repitch then

    Before you repitch, you need to make a solid run on smooth water...and take note what your throttle position is (how much its open)...

    You're on the limiter now, so slowly creep up until you hit 8100-ish (try not to touch limiter, just kiss it and back off)...Then see how far you have that throttle open at that point, that will determine how much you need to repitch.

    IMO anything more than 2/3rd's and you need a bigger prop with that combo. 15/20 might be too much with that stock IC...You're in the la-la land of the right prop, as you'd have to really massage anything to work with that stock IC in there...

  10. #10

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    The speeds def sound down a little bit for those mods. My buddies 05 rxp has a 4" kanaflex, ppg exhaust, 14/19 repitch by speedfreeks, set back mod, nose cone, r&d intake grate, ride plate holes filled. Last weekend with 1 bar under a half of tank it ran 71.0mph even on gps and it was porposing alot. He also only saw 8100rpm. We are gonna go back out today and test it some more. This 05 has a stock blower.

    I def think the chop was affecting you runs. I would think that ski wit those mods turning 8100 would run 73-74mph. Good luck def curious for some updates in better water conditions. Cause my buddy is lookin to swap to an x blower n 42 and leave the prop and no external intercooler.

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