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  1. #1
    imp0ster's Avatar
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    RXT SC speed limit

    what's the wall on the non s3 RXT hull for supercharged rec skis (below ET-140)? I can't find proof of one running over 83. I thought I could easily hit that with a reflash, type 5 IC and a 137+4 but it looks like the hull just starts to eat up HP at a certain speed.


  2. #2
    Bob 1tommygunner1927's Avatar
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    Well, my ski wasn't optimized but did 80.7 @ 8440 rpm with a Mini-Rude/VTech in cool heavy air and cool water.....it will be faster soon!

  3. #3
    imp0ster's Avatar
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    Quote Originally Posted by 1tommygunner1927 View Post
    Well, my ski wasn't optimized but did 80.7 @ 8440 rpm with a Mini-Rude/VTech in cool heavy air and cool water.....it will be faster soon!
    so that's on par with the 137+3 and is the same as the XX right? That's not too bad. What cooler?

  4. #4
    Bob 1tommygunner1927's Avatar
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    Quote Originally Posted by imp0ster View Post
    Quote Originally Posted by 1tommygunner1927 View Post
    Well, my ski wasn't optimized but did 80.7 @ 8440 rpm with a Mini-Rude/VTech in cool heavy air and cool water.....it will be faster soon!
    so that's on par with the 137+3 and is the same as the XX right? That's not too bad. What cooler?
    I think so......all about 14 psi boost, and at the time was using the stock X ic.

  5. #5
    TDR's Avatar
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    Im sure ive seen someone on here go 85+ with a ET 140 kit... Glade rider i think. But he is running motec

    http://www.greenhulk.net/forums/show...ht=glade+rider

    Read this
    Last edited by TDR; 03-27-2013 at 08:25 AM. Reason: Added link

  6. #6
    Bob 1tommygunner1927's Avatar
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    Yes....but he has an S3 hulled ski.

  7. #7
    Eastside Powersports Slow 91's Avatar
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    Quote Originally Posted by TDR View Post
    Im sure ive seen someone on here go 85+ with a ET 140 kit... Glade rider i think. But he is running motec
    He also has an s3 hull....

    My 08 RXTX went 80 with an ET 137 +3 and riva ecu. With a ported head, 29 cam, tweaked prop, 83mm nozzle, Riva GEN3 ic, and a 68-140 I went 83.4. All this was done on a stock untouched plate. I now have a jims open loop plate and CP 9.5's and soon a tubular header.

  8. #8
    TDR's Avatar
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    opps read it wrong sorry guys!

  9. #9
    Eastside Powersports Slow 91's Avatar
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    apology accepted

  10. #10
    Bob 1tommygunner1927's Avatar
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    Quote Originally Posted by Slow 91 View Post
    Quote Originally Posted by TDR View Post
    Im sure ive seen someone on here go 85+ with a ET 140 kit... Glade rider i think. But he is running motec
    He also has an s3 hull....

    My 08 RXTX went 80 with an ET 137 +3 and riva ecu. With a ported head, 29 cam, tweaked prop, 83mm nozzle, Riva GEN3 ic, and a 68-140 I went 83.4. All this was done on a stock untouched plate. I now have a jims open loop plate and CP 9.5's and soon a tubular header.
    Nice.....and still using the Riva ECU?

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