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  1. #1

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    rxpx 260 perfomance opinions

    hey guys, im making my own thread on this so i can get more opinions on this, basically i have a 2012 px with the mods in my sig. when the weather is below 25 degrees celcius im running at 8120 rpm doing about 75 mph, when the temp goes up past 30 with a humidex of like 40 my rpm dropped to 7800ishand doo about 70mph. i know alot of guys have mentioned that heat soak and that the heat will cause this but it just seems crazy how much its affected. so im really wondering whether i need my prop re-pitched or whether i should just put my stock prop back on... messaged speed freaks and he said he would probably repitch it to 12.5/18. what would that do to my performance over stock prop with my current mods? so... stock prop? 15/20? or 12.5/18? what would be best for overall perfomance? acceleration.. top speed? again i know heat will hinder performance a bit but i never noticed this much differene with my old rxp let me know what you guys are thinking. i know there are other guys on here with the same mods as me spinning there 15/20 untouched 8300+ rpms PS. my oil level is between the bends plugs are brand new
    thanks chris


  2. #2
    dpracing's Avatar
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    Are you GPS'ing it?

  3. #3

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    I think my performance has suffered at the hands of the heat this summer as well...I am spinning a 12.5/19 speedfreeks pitched prop and last August my r's were around 8300 but are down to 8100 range this summer. My untouched 15/20r was all over the place as far as pitch goes and pulled down my rpm to the 7900 range from 8350+ with the stock prop...last summer. Eric's repitch set me straight

  4. #4
    Mod less, ride more! troyheb's Avatar
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    High humidity hurts more than high heat, but both together will really kill ya.
    How many hrs on your ski?
    Last edited by troyheb; 07-17-2013 at 08:09 PM.

  5. #5
    Tiny's Avatar
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    Yeah, the humidity is a killer...I went out 3 weeks ago and i was down about 150 rpm and was sluggish on the bottom end...

  6. #6
    Aussiepauly's Avatar
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    Will lose 200+ rpm here in OZ from summer to winter, big difference! Summer and winter props needed if you want to keep same rpms.

  7. #7

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    alrite im glad everyone is responding the exact same... I was nervous that I may have something wrong, I have 34 hours on it and all lake riding no huge wave jumping or anything wild. so come winter im sending my prop to eric!

  8. #8
    Mod less, ride more! troyheb's Avatar
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    Quote Originally Posted by 12px View Post
    alrite im glad everyone is responding the exact same... I was nervous that I may have something wrong, I have 34 hours on it and all lake riding no huge wave jumping or anything wild. so come winter im sending my prop to eric!
    Have you checked your SC slip. It seems like the newer skis need a break in period. Mine started slipping around 18 hrs. It was reset and was good for another 70 hrs.

  9. #9

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    no I have not checked my slip but was thinking about doing it this Friday. should i have trust in my dealer doing it? i will be able to watch him do it... he treats me well

  10. #10
    Mod less, ride more! troyheb's Avatar
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    If you trust him, then go for it. If I had to bet, I would say you slip is down a little.

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