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  1. #1
    EH Team Water Pig's Avatar
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    Props & V-Tech Tune

    Hi guys,

    I just got the 8350 v-tech tune and had it out on the water today.
    At 60 hp I was turning 7030-7040 and 43 mph.
    Today, using the stock 13/20 prop I was turning 8150-8170 and a top speed of 50.7 mph GPS'd.
    I had a full tank of fuel and I'm 200 lbs. air temp was about 75 and water about 60 and I'm at about 500' above sea level.
    Does that top speed sound right?
    I've ordered the Solas 12/17 but haven't got it yet. Will I get more speed with the Solas?
    Last edited by Water Pig; 05-30-2014 at 05:41 PM.


  2. #2
    suicidebonger's Avatar
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    From what I have read it does sound off. Another thing, damn, I have only got my 60 hp to hit 41 top speed, I am 215...

  3. #3
    suicidebonger's Avatar
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    I found this. "On our 90 hp ibr we got 8400 with the tune but only 50.8 mph . By repitch we got 8060 rpm and 54.5 mph"

  4. #4
    SLASHER's Avatar
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    Quote Originally Posted by Water Pig View Post
    Hi guys,

    I just got the 8350 v-tech tune and had it out on the water today.
    At 60 hp I was turning 7030-7040 and 43 mph.
    Today, using the stock 13/20 prop I was turning 8150-8170 and a top speed of 50.7 mph GPS'd.
    I had a full tank of fuel and I'm 200 lbs. air temp was about 75 and water about 60 and I'm at about 500' above sea level.
    Does that top speed sound right?
    I've ordered the Solas 12/17 but haven't got it yet. Will I get more speed with the Solas?
    Sounds right , I did a tune on a Spark the other day with stock prop and the rider is a snow flake in weight and hit 55mph and with a 200lbs on the same ski hit 52 ...

  5. #5
    SLASHER's Avatar
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    Iam waiting on the Solas prop as well , it should be interesting...

  6. #6
    EH Team Water Pig's Avatar
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    I just was expecting a bit more speed, it seems I'm down almost 2 mph ??

  7. #7
    Sarge707's Avatar
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    Did you do runs both ways and average them? Every body of water has some current and if you did a little against the current it could mean 1 MPH easy?

  8. #8
    EH Team Water Pig's Avatar
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    Quote Originally Posted by Sarge707 View Post
    Did you do runs both ways and average them? Every body of water has some current and if you did a little against the current it could mean 1 MPH easy?
    I spent about 45 minutes doing speed runs in both directions and they were virtually the same, within 2/10 of a mph. 50.7 was the absolute best MPH that I got.

  9. #9
    SLASHER's Avatar
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    Speed will be in the prop , pump, intake etc ...

    The Spark has heaps of acceleration but top speed will come from the right pump set up ...

  10. #10

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    Stock 90 2 up - 54 with 130#er driving - Air temp 74 - water 63 and flat

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