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  1. #1
    START's Avatar
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    Ultra Turbo Macc Racing

    in the box, ready to go in Guadeloupe for the KARUJET
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  2. #2
    Been around for years...seen it all Kawi-Guy's Avatar
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    anything else Macc working on for the Ultra 250x?

  3. #3
    ROTAX RACING performance
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    I heard 138 km/H (86 mpH), maccracing has Ultra 250 lightweight hulls available soon (carbon or CF)

  4. #4
    Moderator
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    NitroShark's Avatar
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    nice!

    i'm still thinking the 15F with a standalone ECU and large Turbo is the way to go. I may even do one.

  5. #5
    very sweet indeed. I wish he would post a couple of more pics of the system out of the ski like he has done for his SC. I would like to get an idea on how he worked the header to fit he turbo flange and also keep it water cooled. Been thinking about trying something on my 15f with a turbo system i fabed up for my hayabusa

  6. #6
    Anyone know what bramd of turbo that is he is using from the pics? Kinda looks like a percision turbo!

  7. #7
    ph2ocraft's Avatar
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    Quote Originally Posted by mrracing View Post
    I heard 138 km/H (86 mpH), maccracing has Ultra 250 lightweight hulls available soon (carbon or CF)
    My ears perked up on that one!! Man will those be pricey hulls or what??

  8. #8
    Connecticut CrazyA's Avatar
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    Quote Originally Posted by NitroShark View Post
    nice!

    i'm still thinking the 15F with a standalone ECU and large Turbo is the way to go. I may even do one.
    Post #23...

    http://www.greenhulk.net/forums/show...t=14929&page=3



    .

  9. #9
    Dont want 2 be the one 2 bring this 2 the people that dont knows attention. But thats not the 250x. thats the Lx. It looks good to and if 86mph then thats hell a fast!. How much can the Lx's do stock?

  10. #10
    Whiplash's Avatar
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    The LX is just a non supercharged 250. Good way to go if you want to add a turbo instead.


    Hmm, I don't see a flame arrestor nor much room to put one on in that engine pic.

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