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  1. #1

    08 rxpx, not to happy with my mod results

    08 rxpx, riva supercharger and 50# injectors, R&D grate, solas 15/22, fizzle intake, reverse bucket mod, ride plate holes filled. I took it out yesterday and the water was reallly calm and I gps'd it at 73.3. theres pretty much no altitude here, but the temp was about 93-95. that might of been the biggest factor. I wasnt too happy with the results, but the ski does feel really good though. And i did happen to race a new kawasaki 260x, pretty much had about 5 skis on it by the time i hit 70, and thats pretty much the fastest ski around here so i'm not really looking for more but just think it could be a bit faster.


  2. #2
    Mod less, ride more! troyheb's Avatar
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    Something is wrong. You should be faster than that. What RPM's?

  3. #3
    about 8080 is the most i saw

  4. #4
    Quote Originally Posted by lightning666 View Post
    about 8080 is the most i saw
    heat maybe??

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    Laxcrazy23's Avatar
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    Im thinking heat. How full of a tank you riding with?

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    Mod less, ride more! troyheb's Avatar
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    Quote Originally Posted by lightning666 View Post
    heat maybe??
    Dont think so, my RXTX with a Riva stg1 ran 70.7 @ 8080, air temp around 85 with high humidity in horrible water conditions with my wife on the back yesterday. If your prop is untouched I think you should be on the limiter. Maybe to much fuel with those 50's?

  7. #7
    mrbtd's Avatar
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    How well does your grate match up to the ride plate ? Might be hanging to low.

  8. #8
    prop is still untouched, i was thinking limiter also, cuz it does seem to have more in it.

  9. #9
    Mod less, ride more! troyheb's Avatar
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    Limiter is 8200. My RXPX before I had the prop tweeked would rev right up to 8200 then fall 40-60 rpm, then rev right back up then fall back down. What was your ski running RPMs' stock?

  10. #10
    Eric Ocman's Avatar
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    Re: 08 rxpx, not to happy with my mod results

    Honestly you are pretty close to where you should be at 8080 and the stock nozzle bro. A lot of speeds you see people quote are supermanned.

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