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Thread: 2006 rxp 80+mph

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    C-kit's Avatar
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    2006 rxp 80+mph

    Im using a 15/22r on my rxp and im hitting the limiter of 8650 just passed half throttle i have gps speed last week in cold temps and the highest i managed was 80.8 mph but on the limiter im wanting to know if i increase my pitch trailing edge to keep of the limiter will this also give me more mph thanks


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    Branden's Avatar
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    why not bump the limiter up?

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    C-kit's Avatar
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    Stock valves and dont want to stress out the motor too much i got upgraded valve train but not valves and ive rebuilt it three times myself in 5 years and dont want to do it again lol hopefully it lasts i do have a 9000rpm ecu here but dont want to risk it just wanted your thoughts on a increase in pitch

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    Branden's Avatar
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    yea if thats the case pitch is about your only choice, unless you have a lucky 13 cone. you should gain some speed by getting off the limiter.

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    AtoMIC_OraNGE greenbullet's Avatar
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    Pitch up then use the lucky13 cone to pull revs back and maintain stock speed so if your on 80 now you will run 80 at say 8350-8400 for example once setup proper

    my ski is 1-2 mph slower than it should be but I'm running 82-83 mph at 8600-8700 contact with my 225+ hr stock bottom end I'm up in Canada as well and also at 900ft above sea level so that contributes to my lower speed as well

    im done chasing speed. Just rather ride

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    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by C-kit View Post
    Im using a 15/22r on my rxp and im hitting the limiter of 8650 just passed half throttle i have gps speed last week in cold temps and the highest i managed was 80.8 mph but on the limiter im wanting to know if i increase my pitch trailing edge to keep of the limiter will this also give me more mph thanks

    Time to install the Lucky 13 adjustable cone and gain some speed!

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    C-kit's Avatar
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    Sorry but what does the lucky 13 cone do exactly so your saying even after increase the pitch on my prop should i get a lucky 13 cone ?

  8. #8
    RXP 260 X Short Course Veteran RXP244's Avatar
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    Quote Originally Posted by C-kit View Post
    Im using a 15/22r on my rxp and im hitting the limiter of 8650 just passed half throttle i have gps speed last week in cold temps and the highest i managed was 80.8 mph but on the limiter im wanting to know if i increase my pitch trailing edge to keep of the limiter will this also give me more mph thanks
    I ran my old RXP with a 8600rpm limit with a C-kit and all supporting mods through to 87+mph. But in race trim it did 84mph all day long. I ran a 15/22R with lots of pitch added to the trailing edge. I can not tell you exactly how much. But just enough to get peak rpms at WOT under rpm limit.

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    Ken62465's Avatar
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    Quote Originally Posted by greenbullet View Post
    im done chasing speed. Just rather ride
    I need some of this! Gets addicting and each time I think I'm done..bam at it again.

  10. #10
    AtoMIC_OraNGE greenbullet's Avatar
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    Quote Originally Posted by Ken62465 View Post
    Quote Originally Posted by greenbullet View Post
    im done chasing speed. Just rather ride
    I need some of this! Gets addicting and each time I think I'm done..bam at it again.
    i know i have an 84-85 mph ski but after my issues were sorted with open loop and my custom ecu map made for my ski I'd rather enjoy it rather than seeing what it has. Here in Canada we have so many different climate changes and temps so with open loop cooling and ecu was a bit for me to get dialed in. I can squeeze the throttle and know it's a solid 82-83 all day long but just hearing that charger whine under the seat below boost enjoying the lake is becoming more enjoyable to me . And yes I did some testing on the L-13 cone and yes it does work... You just need to have the time to dial in the ski to its full potential with that cone. Stock bottom end with 225 hrs. Stock cam.
    Thanks jerry

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