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  1. #1
    Mtuned's Avatar
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    Your 68-140 Speeds

    Just wanted to see what others running a ET68-140 Are seeing!

    List your Mods
    YEAR MODEL
    Speed
    Wheel: LE or black wheel
    RPM
    ECU
    AFR

    Mine:
    2006 RXP
    83.3
    LE
    8900 RPMS
    Les Cooke ECU
    11.7


  2. #2

  3. #3
    Duke's Avatar
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    I don't remember all the details so i'll list what I can.

    Vspec1

    1st style 68-140
    8800
    2008 RXPX
    ebay type 3 IC
    Les reflash
    85.4

    Alex Paine

    1st style 68-140
    2006 RXP
    8550
    type 3 ebay IC
    Riva ECU
    86.4

    Cashito

    New 68-140 LE
    2008 RXPX
    8700
    Ebay I/C
    Les reflash
    84.5
    Bad motor with 80%leakdown on number one.
    New numbers soon.

    Ocman

    Rude2 with ET drop in
    2008 RXPX
    8900
    type 3 ebay IC
    Les reflash
    85? with his friend Chad in superman

    All I can think of right now and just the ones I've worked on.
    JP went 88 with a 2Rude but we haven't tried a 68-140

  4. #4
    Mtuned's Avatar
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    O i didint notice that was a et68-140 speed thread. Thanks!

    Also the fastest S/C RXP on there is 84mph...

  5. #5
    Mtuned's Avatar
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    Quote Originally Posted by Duke View Post
    I don't remember all the details so i'll list what I can.

    Vspec1

    1st style 68-140
    8800
    2008 RXPX
    ebay type 3 IC
    Les reflash
    85.4

    Alex Paine

    1st style 68-140
    2006 RXP
    8550
    type 3 ebay IC
    Riva ECU
    86.4

    Cashito

    New 68-140 LE
    2008 RXPX
    8700
    Ebay I/C
    Les reflash
    84.5
    Bad motor with 80%leakdown on number one.
    New numbers soon.

    Ocman

    Rude2 with ET drop in
    2008 RXPX
    8900
    type 3 ebay IC
    Les reflash
    85? with his friend Chad in superman

    All I can think of right now and just the ones I've worked on.
    JP went 88 with a 2Rude but we haven't tried a 68-140


    Thanks duke! I was woundering if it may of been a les cooke issue. But seems either riva or les are both fast!

  6. #6
    Duke's Avatar
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    Quote Originally Posted by Mtuned View Post
    Thanks duke! I was woundering if it may of been a les cooke issue. But seems either riva or les are both fast!
    There is a whole bunch of little things on your to do list that will eventually pay off. One is knowing what the boost is and the other is getting rid of that IC cooling system from one end to the other. Grate etc..

    Also forgot that Vspec1 had an 05 RXP with a 68-140 and Riva ecu that went into the 85s.

  7. #7
    speedskixp's Avatar
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    My ski went 81.6 on the original 68-140 with stock ecu @ 8100 and the same 68-140 went 86.0 on rotax racing ecu @8500. Note, my ski was running a closed loop plate modded by me and the ski running the rotax ecu was running a jims OL plate.

  8. #8
    www.eastcoastpwc.net Scott's Avatar
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    83.6 @ 8700 with my 68-140

    2010 rxtx

  9. #9
    Mtuned's Avatar
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    Quote Originally Posted by Scott View Post
    83.6 @ 8700 with my 68-140

    2010 rxtx

    Congrats.. You just made me want to burn my ski!

  10. #10
    speedskixp's Avatar
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    Quote Originally Posted by Scott View Post
    83.6 @ 8700 with my 68-140

    2010 rxtx
    nice.

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