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  1. #1

    Need help with 04 gtx sc

    Hey guys I'm new to this forum! Would like to pick every ones brain on this! I just purchased a 2004 gtx sc this ski is brand new only has 8 hours on it has been in garage all this time on trailer covered up runs good on trailer when tested. I know all about the washers in the supercharger that is one thing I will do first. I also know all about the exhaust valves being bad my question is should I go ahead and change valves before I run it I live in Naples fl and only will run in salt water. If I do the valves which valves should I use super tech or riva valves it will be staying mostly stock. I can do all the work I am a school bus mechanic by day. Any ideas would be great thank you.


  2. #2
    boost junkie skidoochris's Avatar
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    IMO if you change valves you should also change springs
    they are not very expensive when you already have the head apart
    just spinning the motor a few hundred extra rpm will really make a big improvement in speed

  3. #3
    do the valves, do the retainers and springs

  4. #4
    Most valve failures I have seen were from low hour skis that sat up for a period of time. Change the exhaust valves and washers and you should have a pretty reliable machine.

  5. #5
    Ok which valves and springs should I use super tech or rivas.

  6. #6
    boost junkie skidoochris's Avatar
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    take your pick they both will be good

  7. #7
    Ok thanks I will order parts today!

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