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  1. #1
    Will work on YOUR ski for FREE! GeoRXT's Avatar
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    70mph Ultra 150...stock.....LOL



  2. #2
    Moderator DrewNJ's Avatar
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    Actually, the 99' Ultra's weren't that far off of 70 stock. 68ish...
    The 99's were known as being the fastest year for whatever reason..

    One thing for sure is that they are a handful at speed!

  3. #3
    sleeplessnMS's Avatar
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    It had something to do with the ignition. The plugs were like $13 a piece and the motors were blowing too. My 01 ultra did about 64 stock and 70flat stage II...

  4. #4
    bron1c's Avatar
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    wtf, he says the speedometer does'nt even work, how would an average joe know what it is going
    unlike everyone here who can tell if it is or not

  5. #5
    with a shredmaster rideplate and ADA head i went 69.7 gps w/ 2 units on a 2001 ultra150 in 65 degree weather on perfect conditions

  6. #6
    btldigger's Avatar
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    Well 65 is "arround" 70 70 on an ultra takes some work my 04 started at 64.5. Last time out it ran 71.1. I have seen a couple of pretty stock ones run 67.
    Last edited by btldigger; 11-21-2007 at 10:04 AM.

  7. #7
    jcc011185's Avatar
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    67.9 beach house sponsons other then that all stock. And I do not have the special ignition like the 99's had.

  8. #8
    Will work on YOUR ski for FREE! GeoRXT's Avatar
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    What HP does this engine have?

    I wonder what a 4tech engine will do in that hull...?

  9. #9
    Moderator DrewNJ's Avatar
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    Quote Originally Posted by GeoRXT View Post
    What HP does this engine have?

    I wonder what a 4tech engine will do in that hull...?
    It is, if I remember correct, 145hp. Same as the STXR. I think that motor is very under rated. Both the Ultra's and STXR's friggin' haul major butt!! They accelerate even harder.

    As for putting a 4-tec in one I don't know if I'd want to ride it. The ultra is a tough boat to ride at mid-high 60's......

  10. #10
    r33pwrd's Avatar
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    My STOCK ultra 150 did 68.8 on GPS.... call me a liar...

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