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  1. #21
    GasResearch-VT.SE's Avatar
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    Quote Originally Posted by Jeremy B. View Post
    I'm very interested in hearing more about the results out of the flash on the ecu. Some actual numbers and data would be great here if you guys don't mind. Please keep us informed!
    Its early days.

    The hard parts are done which was ensuring flashing by OBD is just as easy as with the S3/T3 hulls.


    The numbers are to come

  2. #22
    You've got my attention. Can't wait to see some numbers!

  3. #23
    Mik72e's Avatar
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    I am waiting on results as well very interested,,,


  4. #24
    Been around for years...seen it all Kawi-Guy's Avatar
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    Not looking good !!! No response from Down under yet, maybe they got ambushed

  5. #25
    GasResearch-VT.SE's Avatar
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    Quote Originally Posted by Sparky-Guy View Post
    Not looking good !!! No response from Down under yet, maybe they got ambushed
    No not really.

    Its hard to get these vehicles for longer than 1/2 a day at a time. Obviously when one is purchased its open slather and more can be done on a daily basis.

    I'll post this, with a VERY CONSERVATIVE 3 degree timing change and some limiters removed, we saw approx. 150-180 rpm gain and a much much more responsive craft. We saw an improvement of around 10-14% in holeshot to 70 km/h acceleration times.

    We expect to be able to take the timing up at least double that, using premium pump gas.

    We tried a variety of maps, with more/less fuel etc. Originally we only had 95 RON octane (Aussie) which isn't the best pump gas available and we saw zero engine noise even with standard fueling with just timing increase.

    Unfortunately the craft's trim was played with for better hole shot, so top end changes may not even be displaying an accurate result. When one is in our stable, then we can set it up for our liking.

  6. #26
    Current V-Tech Gains:
    600 Ace - Stock 60HP............15HP gain
    1200 4-tec - Stock 130 HP.....15HP gain
    SSV 1000- Stock 85HP...........15HP gain
    Spyder 1000 - Stock 85HP......15HP gain

    My guess would be a 15HP gain for the Spark 900

  7. #27
    WP3223's Avatar
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    Quote Originally Posted by slope View Post
    Current V-Tech Gains:
    600 Ace - Stock 60HP............15HP gain
    1200 4-tec - Stock 130 HP.....15HP gain
    SSV 1000- Stock 85HP...........15HP gain
    Spyder 1000 - Stock 85HP......15HP gain

    My guess would be a 15HP gain for the Spark 900


    Hey, every little bit helps. If we can squeak out even a few more with intake/exhaust mods and a stock prop repitch to get closer to some xp ptw ratios - It gonna be a fun ride..

  8. #28
    Been around for years...seen it all Kawi-Guy's Avatar
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    Ok, so how much is the cost range for the Vtech tune ?

    I already have an extra prop to get repitched, my Decal wraps are in and my Sparkmat kit is here as well. Just waiting on the Spark delivery.

  9. #29
    TK423's Avatar
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    Quote Originally Posted by Sparky-Guy View Post
    Ok, so how much is the cost range for the Vtech tune ?

    I already have an extra prop to get repitched, my Decal wraps are in and my Sparkmat kit is here as well. Just waiting on the Spark delivery.
    Do you have some pics of the Sparkmats?

  10. #30
    Holy cheese it doesn't even come with traction mats in the back ...... maybe the rubber on the handlebars is optional too lol
    I can just see someone out in the open water not able to climb back on to the thing
    As far as the v-tech goes, isn't it 389 for the tuner plus 600 for each ski
    My take would be to add on a free flow filter(150), fuel pressure regulator(200), free flow exhaust(100), impeller(250), and reprogrammed ecu(300) for a total of 1000

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