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  1. #1
    chado2448's Avatar
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    Anybody mod an iS ski?

    I just picked up a 13 GTX Limited iS 260. I will never be able to leave it alone. I was wondering if anyone had tried to make one go fast yet, and what they have done, and with what results. After break in I'm thinking of the speed control override, a grate, and a prop. Filling the ride plate holes should be good for something.


  2. #2
    www.eastcoastpwc.net Scott's Avatar
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    Quote Originally Posted by chado2448 View Post
    I just picked up a 13 GTX Limited iS 260. I will never be able to leave it alone. I was wondering if anyone had tried to make one go fast yet, and what they have done, and with what results. After break in I'm thinking of the speed control override, a grate, and a prop. Filling the ride plate holes should be good for something.
    Congrats! I been on the fence about getting one for the wife. Post up pics!!

    MoTeC M1 would be my first mod!!!!


  3. #3
    Water4fire's Avatar
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    Here it is. I pulled it from his other post.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  4. #4
    www.eastcoastpwc.net Scott's Avatar
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    Quote Originally Posted by Water4fire View Post
    Here it is. I pulled it from his other post.
    thank you!

    Believe it or not, the GTX 260 is hard to find in NJ. shocking considering the price tag

  5. #5
    wotxxxsd's Avatar
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    Cool

    Yes there are members that have mods on the I S skis.
    Pm member unsane or use the search function on here.
    Unsane has done mods with good results.
    They are a pain in the ASS to mod with the top deck having to be removed to do extensive mods.
    Also they are a lot heavier than normal skis so that slows them down also.
    Congrats on the ski and yes they are sweet rides...

  6. #6
    GRF + DashPac:) seadoo02xp's Avatar
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    It would be badass to stick a turbo on one. That thing would beat anything in the chop.

  7. #7
    wotxxxsd's Avatar
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    I guess if you really like taking the top deck loose to tweek the mods then a turbo would be nice...

    I had a gtx I S and loved it.
    It was a wave jumping fool.
    Sold it at 160+hrs and highly recommend the suspension to anybody with back issues that likes to rip...

  8. #8
    Full Throttle or Broke!!! UNSANE's Avatar
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    It all depends on how fast you want to go. Faster obviously costs more money, especially for such a heavy ski. I have come close to 75 and Duke exceeded that while testing Athena with my ski. If you are going to open it up, do all the mods at once. Getting the deck off isn't the pain, it's putting it back on and reconnecting the steering that's the real issue. If you want to turn more than 8400rpm's, you will need to upgrade your valvetrain and a fuel pressure regulator would be a good idea too. There are different cams available and you could pump up the charger a bit too. If you're going to start doing that, an AFR wideband gauge is a good idea as well. Don't waste your money on the speed override, just go with a reflash, which usually bypasses the speed limiter. Get rid of the stock intake grate as they become very dangerous past 72mph. I found that out the hard way... Use the SRZ props too. Our driveshafts are shorter and having someone set back another prop too far will strip driveshafts. You can get these skis close to 80 for reasonable money and when I say "reasonable", I am talking into the 3000 dollarish range if you start changing chargers and cams and such. 75 is attainable for about half that cost.

    Hope this helps.

  9. #9
    chado2448's Avatar
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    Thanks unsane. I'm not going to go to far with this one, low to mid 70's is about all I want out of this ski. Probably just do the easy stuff and call it good.

  10. #10
    mikelytle1077's Avatar
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    I bet one of those vtech 8375 tunes and intake would pick up some speed

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