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Thread: RXT mod

  1. #1
    agibbs's Avatar
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    RXT mod

    Hey guys, I was thinking about buying a Green charger wheel but I have one question. How much pitch will I need to add to my impeller, its a 14/17R solas. The ski is Stage1 with the green box and no opas.


    Thanks


  2. #2
    The ski's have taken a "backseat" to the Corvette DarthAWM's Avatar
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    Quote Originally Posted by agibbs View Post
    Hey guys, I was thinking about buying a Green charger wheel but I have one question. How much pitch will I need to add to my impeller, its a 14/17R solas. The ski is Stage1 with the green box and no opas.


    Thanks
    Dunno depends on what RPMs you are turning now?

  3. #3
    agibbs's Avatar
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    about 8100rps, closer to 8050

  4. #4
    The ski's have taken a "backseat" to the Corvette DarthAWM's Avatar
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    Quote Originally Posted by agibbs View Post
    about 8100rps, closer to 8050
    Well I'll try to help you bro, I haven't tuned my ski to rpm yet, but I'll try and remember what I've read here.

    You should probably up to 14/19 I think the green wheel will be too much hp to just add mm but you could try adding 2mm at first, and that depends on how much you current prop is tweaked, I think 4mm (in one direction) means you need to step up in prop for sure.

    That's my $.02 I hope it helps you.

  5. #5
    agibbs's Avatar
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    Thanks, I'll probably go with a new impeller, I'm planning on buying Jim's plate with skegs and a intercooler within the year anyway.

  6. #6
    THE OFFICAL SUPERDUTY!!!!!! superduty's Avatar
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    i have the green wheel and should be getting my 14/19r tomorrow, i will let you know how it works out but i talked to jerry and thats what you should run i was turnin 8200 with the stock prop

  7. #7
    FIRED!!! JP's Avatar
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    Quote Originally Posted by superduty View Post
    i have the green wheel and should be getting my 14/19r tomorrow, i will let you know how it works out but i talked to jerry and thats what you should run i was turnin 8200 with the stock prop
    You guys should be fine with the Green wheel and a 14/19.
    Last summer, I was running a rotax wheel (almost identical) and the 14/19 was BY FAR the best prop...

    Good luck boys...
    JP

  8. #8
    THE OFFICAL SUPERDUTY!!!!!! superduty's Avatar
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    if not i can change to the 81mm ring but i here the rxt's like the 82 though

  9. #9
    i have a rr s/c with a stage I in my 03 which is built to a 215, less the 215 cam and forged pistions i'm running a 14/19 turning 8000 r's my tack wont go any futher my gps speeds r high 68 to low 69 mpg with heat faid my rpm would go to 7950. cam and pistions r going in along with a cooler thermostate this spring

  10. #10
    West Texas RXP skoepp's Avatar
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    Quote Originally Posted by yellow jacket View Post
    i have a rr s/c with a stage I in my 03 which is built to a 215, less the 215 cam and forged pistions i'm running a 14/19 turning 8000 r's my tack wont go any futher my gps speeds r high 68 to low 69 mpg with heat faid my rpm would go to 7950. cam and pistions r going in along with a cooler thermostate this spring

    yellow jacket, what would happen if you had original pump and tryed runnning a 13/20 with that setup.

    The reason I ask, is I am going to put a green wheel and rxp ecu on my GTX setup. right now with current set up I am good rpm with 13/20 - 3mm at 2,600 ft. elevation.
    So shouldn't I be able to install green and ecu and put back 3mm or maybe more and be ok?

    Also are you running the gtx shaft in charger or rxp. Or did you change the gear in engine?


    thanks,

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