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  1. #1
    Water4fire's Avatar
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    Performance update from this weekend.

    Guys I had a blast this last weekend. This is what I ended up getting on my two RXP's.

    2006 rxp With a homemade rear intake and a RR high boost wheel, ONLY!
    I ran a solid 71.5 with 1/2 tank of fuel. Well I brought my extra STG II pump prop combo 15-20 R that was pitched for my stgII. I swapped them out Sunday morning and I wish I would have done it Friday. The Ski pulled 73.8 with a 1/2 tank of fuel.

    And it only had a Homemade rear intake.
    RR High boost Wheel
    STG II 15-20r pitched for a stg II.
    Yep 73.8 with about $550 bucks total into it.

    Now my 04 RXP with Riva ECU and B-kit ran great aswell
    I hit a max of 78.3 but I was only hitting 8300RPM's with 81mm ring. the 2mm pitch was to much. This is why you try your prop first as they are never the same. the 82mm ring gave me 8350.
    I never saw less than 13.5lbs of boost at 8300 so I will be right at 14 I bet with 8500. I must say this thing pulls like a frieght train. I have never
    been on a ski that pulls so hard. I can't run it WOT for long as it wears me
    out.

    I had such a great time this weekend. Man I want to do it again.

    Thanks everyone.


  2. #2
    Site Admin Green Hulk's Avatar
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    I'm lovin that Riva ECU too

  3. #3

    Join Date
    Aug 2005
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    Greenville, South Carolina
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    What are the 81-82mm rings?
    I'm guessing with the Riva ECU you have to swap props or repitch....what's the best method for repitching and measuring?

  4. #4
    Water4fire's Avatar
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  5. #5
    Moderator The Bandit's Avatar
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    Good deal Austin! cant wait to get out with mine..

  6. #6
    Water4fire's Avatar
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    Steve you will probablly see better numbers than me as you are running dam good now.
    I am gonna remove some pitch and see were it gets me.

    I want 80 all the time.

  7. #7

    Join Date
    Aug 2005
    Location
    Greenville, South Carolina
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    Thanks Water....
    Where do you get the prop spline tool to hold the prop?
    Did you switch to the 50 lb. injectors with the Riva ECU?
    I saw where they recommend this.

  8. #8
    I want a rear intake, and a better SC, and a Riva ECU, and an adjustable venturi, and ...........................................

    Great numbers though.

  9. #9

    Join Date
    Jun 2006
    Location
    Highland lake , CT
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    Great Job Austin=d> Now Lets See 80+=p~ =p~

  10. #10
    great numbers on both skis water Keep it up

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