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  1. #1
    My name is Sean and I am addicted to STXs smokeysevin's Avatar
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    stiffer valve springs and ti retainers

    I was wondering if it would be worth it since i am already putting racing valves in my 15f to just go all the way and do stiffer valve springs and titanium retainers... because while I will be using stock cams right now, i dont want to decide that this is worth it and have to take the head back apart to change it. Also is there any way to raise the rev limiter on the stock 15f computer like a power commander or something like that?

    Sean


  2. #2
    www.eastcoastpwc.net Scott's Avatar
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    Quote Originally Posted by smokeysevin View Post
    I was wondering if it would be worth it since i am already putting racing valves in my 15f to just go all the way and do stiffer valve springs and titanium retainers... because while I will be using stock cams right now, i dont want to decide that this is worth it and have to take the head back apart to change it. Also is there any way to raise the rev limiter on the stock 15f computer like a power commander or something like that?

    Sean
    http://zxzone.com/watercraft.html

    http://www.rratedperformance.com/ULTRA250XPRODUCTS.html

  3. #3
    My name is Sean and I am addicted to STXs smokeysevin's Avatar
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    this was the set i was going to use

    http://www.schnitzracingstore.com/ca...showprevnext=1

    the springs shims and retainers

    Sean

  4. #4
    www.eastcoastpwc.net Scott's Avatar
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    Quote Originally Posted by smokeysevin View Post
    this was the set i was going to use

    http://www.schnitzracingstore.com/ca...showprevnext=1

    the springs shims and retainers

    Sean
    Shoot rrated an email for pricing on the ape products. Then make your decision.

  5. #5
    My name is Sean and I am addicted to STXs smokeysevin's Avatar
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    I'm just trying to decide if it will be worth the money right now.

    Sean

  6. #6

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    Smokey .. what RPM's are you looking to take the engine too, Unless you wanting to take it about 12to 15 grand I can't see where the benefit will be. I worked for a cam manufacture for a number of years. If your looking to go for a all out race high revs type of thing, all out horse power, higher lift, longer duration .. It will kill the bottom end cause your not able to hold the ski till it hits the optumn RPM. If you looking at a little more lift and duration you would need to check and make sure the springs aren't coil binding,( where the coils of the spring touch). Something like that .. you might not need to change a thing. To stiff a spring could make you roll the lode off the cam. If that happen .. you would be looking at a complete rebuild there. good luck to ya ..
    Last edited by STX-15FER; 07-19-2009 at 03:33 PM. Reason: ...

  7. #7
    My name is Sean and I am addicted to STXs smokeysevin's Avatar
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    thanks for the answer thats what i wanted to know.

    sean

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