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  1. #1
    k-dub's Avatar
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    Mine will do about 58mph (GPS) or 61mph (dreamometer) without tower or top in 75 deg. water unloaded. So I would say no significant gain.


  2. #2
    gprxpduglas's Avatar
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    Actually I have a 06 but with ET 127 wheel supercharger and 42lb of injectors, external intercooler. . At 65f I do 63mph in gps now at 75f to 80f 60 to 61mph.

  3. #3
    gprxpduglas's Avatar
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    Stock speed should be 53 to 54mph isn't ?

  4. #4
    gprxpduglas's Avatar
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    Good speed you are getting considering is stock boat! Are u using 15/20 pitched impeller

  5. #5
    Man, my all stock boat with 72 hours is hitting about 50 MPH on the speedo at top speed, no tower or bimini on an 08 215 Speedster 150. 2 people full tank. I should be getting closer to 60?? Time to do some work! Lol

  6. #6
    gprxpduglas's Avatar
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    Stock boat u can't get 60mph in a speedster 150, stock boat should get to 53, my has a little more power as i have a et 127 wheel on it plus 15/20 pitched impeller

  7. #7
    gprxpduglas's Avatar
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    Here is some info
    content://com.sec.android.app.sbrowser/readinglist/0630095233.mhtml

  8. #8
    Broncosguru7's Avatar
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    Quote Originally Posted by k-dub View Post
    Mine will do about 58mph (GPS) or 61mph (dreamometer) without tower or top in 75 deg. water unloaded. So I would say no significant gain.
    Not much my buddy has a the 255hp version of that boat and his top speed no tower is still only right around 60

  9. #9
    gprxpduglas's Avatar
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    Quote Originally Posted by Broncosguru7 View Post
    Quote Originally Posted by k-dub View Post
    Mine will do about 58mph (GPS) or 61mph (dreamometer) without tower or top in 75 deg. water unloaded. So I would say no significant gain.
    Not much my buddy has a the 255hp version of that boat and his top speed no tower is still only right around 60
    Yes, I thought it was in a 215hp version..... but the 255 in a good they can even get to 62mph.
    Here is some info for the 255 version,

    http://www.boatsales.com.au/reviews/...-150-Speedster

    Douglas

  10. #10
    gprxpduglas's Avatar
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    Quote Originally Posted by SikMoto View Post
    Man, my all stock boat with 72 hours is hitting about 50 MPH on the speedo at top speed, no tower or bimini on an 08 215 Speedster 150. 2 people full tank. I should be getting closer to 60?? Time to do some work! Lol
    Try to get a 15/20 pitched impeller for top speed.... no the best in holeshot but good for top speed. You can gain 2 miles more without any more modification at 8150 rpm.

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