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  1. #1

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    Long hunt for my 3 mph......any ideas??

    First..... ski seems to run good ......say 95% good....problem is it just doesn't pull like it should. I'm basing this on the fact my buddy has the identical ski (2008 RXTx) and his pulls noticeably harder so does his PX (same year). Wear ring on mine is in better shape than his and so is the impeller so I know its not the JET.

    Things that have been done to my ski (no mods just repairs)

    1.Engine spun a bearing 12hrs ago so full bearing and ring rebuild (last year)
    2.SC blew a washer 4 hrs ago..... got that rebuilt break torque is at 94inlbs so that's good.
    3.Thought the inter cooler was leaking but its not (pressure tested to 20psi for 5 minutes no loss so that's good)
    4.cylinders are 125 120 124......tested my buddy's for comparison his was 131 131 130 (both tests were engine cold) cant see that little bit of variance costing 3mph.
    5. Max RPMs are 7980-8040 mostly 7980

    Could the adjustment in the cam gear be off and cause this loss of power??(NOT a full tooth in the gear just the slider adjustment)......again no one thing jumps at me but I've been chasing this gremlin for a while now. Knock sensor pulling timing???


  2. #2
    boost junkie skidoochris's Avatar
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    you set cam timing in the retard position
    it effects compression and makes the ski wake up

  3. #3

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    Quote Originally Posted by skidoochris View Post
    you set cam timing in the retard position
    it effects compression and makes the ski wake up
    Hold on let me draw a picture and tell me which one is right.....give me a minute.....

  4. #4

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    Click image for larger version. 

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    looking from the back of the ski what position should the bolts be in on the cam gear????

  5. #5
    ncdoo's Avatar
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    #1 is retarded

  6. #6

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    Quote Originally Posted by ncdoo View Post
    #1 is retarded
    Sweet....Thanks

  7. #7
    ncdoo's Avatar
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    After checking, I think its #3. Maybe someone else will confirm

  8. #8
    justforfun's Avatar
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    Post #9 but the whole thread is a good read.
    http://www.greenhulk.net/forums/showthread.php?t=107692

  9. +1 by:


  10. #9
    Nothin' better than Doo'in it! BigDaddyRXP's Avatar
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    #3 would be the retarded one


  11. #10

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    Quote Originally Posted by BigDaddyRXP View Post
    #3 would be the retarded one
    I suspect everybody likes saying that regardless of number....LOLz

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