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  1. #1
    Jarrett's Avatar
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    Wacky RXP Mod Question

    Could you take a stock RXP and put the following on it with no other mods?

    Riva ECU
    50lb injectors
    Some sort of high rev valve work (retainers, etc)
    X Charger w/ the Riva upgrade wheel (Rude 1 like boost)

    Leaving the stock IC and air intake in place, would this be a safe setup? What sort of results would you expect?


  2. #2
    jpeconsult's Avatar
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    Stock air intake on the Riva upgrade X SC...You would be choking the hell out of it! I'm not sure the Riva upgrade would benefit you without feeding it more air.

    I'm interested in knowing, myself!

  3. #3

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    You would be limited because of the 1) stock propeller, 2) intercooler, 3) grate, and 4) stock air intake. That would be about a 73-75 mph combo if I had to guess. Add the parts above and it would be 80++ mph.

  4. #4

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    BTW, I ran a 2Rude with the stock intercooler the other day and, inadvertentely, the way wrong prop. It pulled 74 mph at only 7400 rpm. I've since added an XS power intercooler and I'll try again, but something tells me my prop will still be too tall.

  5. #5

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    I am running the x charger on my rxp with just the riva power filter and it still wants more air. the filter is caved in so I would definately suggest some sort of an airfilter mod.

  6. #6
    X-Charger needs a 4" FreeFlow (Kanaflex) Intake

  7. #7
    JD 1's Avatar
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    Quote Originally Posted by Jarrett View Post
    Could you take a stock RXP and put the following on it with no other mods?

    Riva ECU
    50lb injectors
    Some sort of high rev valve work (retainers, etc)
    X Charger w/ the Riva upgrade wheel (Rude 1 like boost)

    Leaving the stock IC and air intake in place, would this be a safe setup? What sort of results would you expect?
    We built a completely stock RXP except what you/I posted. Wish I would have took pics of this ski (if anyone is interested i can get pics) as it was well well thought out with little parts.

    Riva ecu
    50's
    Riva's X upgrade wheel
    retainers
    Jet Draft OL cooling
    Riva grate
    Riva wedge
    Solas 15/20
    84.mph @ 8500 in the summer heat all day long. We had to slow fdown the ski because it was too much for the customer.lol The ski sounds completely stock, total sleeper!!!

    stock plate, air intake, IC, exhaust, Opas.

  8. #8
    JFizzleJR's Avatar
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    Shouldn't you be busy at the shop?

  9. #9
    Jarrett's Avatar
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    Quote Originally Posted by JD 1 View Post
    We built a completely stock RXP except what you/I posted. Wish I would have took pics of this ski (if anyone is interested i can get pics) as it was well well thought out with little parts.

    Riva ecu
    50's
    Riva's X upgrade wheel
    retainers
    Jet Draft OL cooling
    Riva grate
    Riva wedge
    Solas 15/20
    84.mph @ 8500 in the summer heat all day long.
    This is sort of what I was thinking of. A very serious performing ski for not a lot of dough. Thanks Dan.

  10. #10
    Vern's Avatar
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    Quote Originally Posted by JD 1 View Post
    We built a completely stock RXP except what you/I posted. Wish I would have took pics of this ski (if anyone is interested i can get pics) as it was well well thought out with little parts.

    Riva ecu
    50's
    Riva's X upgrade wheel
    retainers
    Jet Draft OL cooling
    Riva grate
    Riva wedge
    Solas 15/20
    84.mph @ 8500 in the summer heat all day long. We had to slow fdown the ski because it was too much for the customer.lol The ski sounds completely stock, total sleeper!!!

    stock plate, air intake, IC, exhaust, Opas.
    That is flying for the parts installed! Did any of the parts get some massaging?

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