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  1. #1
    Redrockat's Avatar
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    RXT-X 260RS 2010 Chimera

    Chimera build .
    Hi everyone thought I'll share this build with you . Got the ski in December 2014 and started collecting parts for it .
    Will clean up and buff hull and replace broken ibr guard nose bumper repair scuff marks upgrade to the new style oem sponsons and update the driveshaft , carbon ring and collar . Replace start stop button fit new grips and replace steering wearing

    Parts collected for this build :
    Riva ferrea valves ,riva springs and retainer kit ,riva intake upgrade kit ,29 cam lightened ,Vtech 1100cc injectors ,riva catch can ,riva fuel pump kit "aeromotive" ,riva 4inch intake adaptor ,riva filter , riva fpr ,riva thru hull exhaust , oem head gasket ,arp head stud kit ,arp flywheel bolts ,low temp thermostat ,supercharger bearings and seals ,McMaster washers ,Et 68-140 DIY kit ,Et cooler ,riva throttle and ibr levers , lucky 13 pump cone ,custom intercooler ,flo rite vents ,riva stainless intake grate
    Have a few impellers to test for the stock pump
    I have a skat trak 160mm 12 vein set back pump with 14-19 3 blade from my old Les Cook turbo ski but still deciding if I want to use it or not . Have the new shoe and mounting bolts for the retrofit
    Going to run a Vtech tune .
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  2. #2
    boost junkie skidoochris's Avatar
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    Welcome to the GH
    don't forget the data logger...you need it to tune your ski
    so do you have a winter where your at?

  3. #3
    Redrockat's Avatar
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    Thanks ! Well going to order the data logger this week . Still can't decide on the unit that runs on iPhone or android just for ease of use . Yes we do have winter this side going into winter now but nothing compared to your winter ! In our area we will maybe get a -2 to -4 c' . Like your build and love your Rxp400 sticker

  4. #4
    JT jpt7779's Avatar
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    What is your goal?

  5. #5
    Redrockat's Avatar
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    My ultimate would be 88 mph .

  6. #6
    Redrockat's Avatar
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    Nose bumper replaced and slight repair on the scuff marks .
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  7. #7
    JT jpt7779's Avatar
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    Quote Originally Posted by Redrockat View Post
    My ultimate would be 88 mph .
    And what is your plan to get past the stuffing issue we have with this model beyond 83 mph?

  8. #8
    boost junkie skidoochris's Avatar
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    seems to me you could cut off some of the intake grate wing
    like about half of both outside wings, it would help lower high speed water psi

  9. #9
    JT jpt7779's Avatar
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    Bottom line is when the tunnel pressure approaches 48-50 psi, 83+ mph, smooth water, and mostly coming off throttle it will stuff. PRVs (pressure relief valves) have proven to give us another 2-3 mph to 85-86 mph and then it does it again. It is the wall. The only pump that I know of that will get past this wall is the Rotax Racing pump / drive shaft combo.

    The new RXP-X T3 hull is seeing stuffing in the high 80's also, just ask Evan.

    You should see my highly modified R&D grate….I even have a 3/8" hole drilled in the back of the ramp to help relieve pressure!

  10. #10
    Redrockat's Avatar
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    Would like to see your grate mod . Well riva grate has been tested to 90 mph so I called them and asked them about it stuffing and if they installed prv . They said they just fitted the grate . Well I'm going to fit pvr system with the riva grate and test if I get problems I'll then fit the set back skat pump and see where that takes me .

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