Post Your Top Speed

Discussion in 'Sport Boats' started by surfinjoe, May 13, 2008.

  1. surfinjoe

    surfinjoe New Member

    946
    Feb 23, 2007
    Michigan
    220 Sundeck 2007
    350 MAG w/Bravo III
    Spring is here and everyone is getting excited again about boating (at least here in the North). What is the fastest speed you have recorded in your boat? How did you measure it (GPS or speedo.)?

    In my 180 sport I have hit 43/44 MPH (as recorded on the spedo.). I will be installing my smart tabs soon and they claim to increase the top speed by 2-4 MPH (we'll see).
     
  2. cdefreit

    cdefreit New Member

    61
    Jun 6, 2007
    Fort Lauderdale, FL
    2007 - Sea Ray 185 Sport
    3.0L Mercruiser Alpha1
    185 Sport 3.0L - 40 Mph (GPS SOG) (Boat speedo says about 44)

    That was before I installed Smart Tab SX's and I have not checked top end since the installation.
     
  3. Dave S

    Dave S Well-Known Member TECHNICAL Contributor

    Oct 3, 2006
    Upstate South Carolina
    Boatless
    Boatless
    I hit 110 mph in my 260DA with the new blower and nitrous set up. :wow::wow:
     
  4. Taradise

    Taradise New Member

    170
    Sep 5, 2007
    Acworth, GA
    IN my 240SD 350 mag B3 I've hit 49 (GPS) but the wind was at my back (a good wind too) and it was a cool day...just me on board and about a 1/4 tank of gas...
     
  5. sbw1

    sbw1 Well-Known Member

    Oct 10, 2006
    West Michigan
    This is listed in my signature
    This is listed in my signature
    41 MPH full fuel and water, 1-2 foot chop. Scanned props.
     
  6. comsnark

    comsnark New Member

    Apr 10, 2007
    NJ Shore
    SeaRay SunSport
    5.7LX
    46mph (GPS)/4500 rpm with clean bottom and smooth water. (repeatable in May/ June)

    35mph / 3600 rpm with fouled outdrives and barnacles on the props prior to haulout. (repeatable each November)

    Last weekend, I saw 32 mph / 3000rpm with light rain, 3-4' wind induced chop (short period) and a 30mph headwind. Boy was it a cruddy day - - > I was getting bounced around too much to push the throttles harder
     
  7. Geurk

    Geurk New Member

    195
    Oct 20, 2006
    Lexington, KY
    2005 220 Select
    350 Mag w/Alpha 1 Drive
    Corsa Exhaust
    Last year we got 51 (gps) with 2 adults, 4 small kids, half tank of gas.

    We were on a smooth inland lake. We will be taking another gps reading this year with just my wife driving with 1/8th tank of gas. Just to see what it "could" do.

    We were able to get my 250x up to 68.1 (my wife was on it at the time). It is stock right now, and I believe with the riva ride plate and a 2 degree wedge I could easily get another 2mph out of it.
     
  8. Presentation

    Presentation Well-Known Member TECHNICAL Contributor

    Oct 3, 2006
    Wisconsin - Winnebago Pool chain of lakes
    280 Sundancer, Westerbeke MPV generator
    twin 5.0's w/BIII drives
    I got to 45 MPH verified via the GPS last year. This was with my wife and 3 kids onboard plus we don’t travel light.

    I took a class in the off season. The class had nothing to do with my tabs but I think I’m smarter so maybe I’ll see some performance gain. :smt043
     
  9. just me

    just me New Member

    833
    Apr 19, 2008
    Ozark MO
    268 Sundancer 1988
    twin 4.3 A1
    Pachanga 22 60plus GPS....268 sundancer twin 4.3L 45 GPS
     
  10. KayKook

    KayKook New Member

    Feb 19, 2008
    Mitten State
    89' 200CC Cuddy (Sold)
    175HP 4.3L V-6
    42.3 GPS Only once.
     
  11. VTSeaRay

    VTSeaRay Active Member

    Feb 19, 2008
    Northern Vermont / SW FL
    2007 210 Select w/5.0L 260HP MPI Mercruiser Alpha 1
    8 cyl 5.0 Merc mpi, w/alpha 1 with 19" prop, with the speedo hole on the leading edge just above it
    55 mph on my 185 BR Sea Ray w/4.3L motor(via speedo) Only been to 4100 RPM's or so this yr on my new 210 Select last Sat. Didn't want to open it up with 40 degree water, and about 1' waves, and it's low hrs. (only 13.6 so far). I'll update this as it gets more hrs and the lake warms up and I get a smoother day.

    -VtSeaRay
     
  12. J Levine

    J Levine New Member

    753
    Oct 5, 2006
    New Jersey
    1995 Sea Ray 370 Sundancer
    Mercruiser 7.4L Blue Water inboard V Drives
    With a newly painted bottom, freshly scanned wheels on smooth flat water with no head wind or current a little more than 30 MPH on teh GPS at 4200 RPM burning just under 50 gallons per hour which is like 8/10th a gallon per minute which equates to $3.20per minute at $4 per gallon or just about $0.05 per second. Needless to say I have done this for about 30 seconds each season. Normally lug around at 3200 RPM and 19 knots at a very economical 30 gallons per hour or "only" 1/2 gallon per minute for $2. Man I wish I had not done this math. Actually having the boat tied to the dock with the unlimited unmeasured shore power that is included with my slip is ideal.
     
  13. Sundancer

    Sundancer Active Member

    Jul 20, 2005
    Prosser, WA
    30 year old CLASSIC 300 DA, towed almost anywhere behind the Duramax Duallie Crew Cab.
    16 cyl, 700 cu. in./Alpha I's
    the 300 DA hit 61 mph, no one in the boat, empty tanks, drives all the way up verified with a GPS! It's a lot slower in the water.
     
  14. J Levine

    J Levine New Member

    753
    Oct 5, 2006
    New Jersey
    1995 Sea Ray 370 Sundancer
    Mercruiser 7.4L Blue Water inboard V Drives
    Sundancer is correct. Corona del Mar made the trip from the West Coast of FL to my prior home in NC behind a Freightshaker doing an easy 70 mph up I95 and then again behind another Freightshaker on its way from NC to NJ when I moved back home. At the time I paid I think about $2.50 a mile for the move and that included all the over wide permits, much cheaper than the cost to move it a mile on the water today under its own power. Of course back then diesel was about a buck fifty a gallon!
     
  15. Hampton

    Hampton Air Defense Dept TECHNICAL Contributor

    Nov 26, 2006
    Panama City, Fl
    2008 44 Sedan Bridge
    Cummins QSC-500's
    Straight Drives
    60.0 GPH verfied by multiple sources.

    That was at just above 40 mph on GPS, slack tide.

    I had a 1989 Classic 190 that did over 60 mph on a regular basis - 305 V8 w Alpha Drive.
     
  16. jshaffer

    jshaffer New Member

    34
    Apr 5, 2008
    York, PA
    2006 Sundeck 240
    5.7 350 Mag Captian Call
    2006 240 Sundeck 350Mag 5.7 w/ corsa exaust two people 1/2 tank of gas 49/50 GPS. Water was calm.
     
  17. billandamy

    billandamy New Member

    Oct 22, 2007
    Southwest CT
    2008 205 sport. MonsterTower wakeboard tower.
    5.0 mpi (260 hp) alpha one drive with 19p ss prop.
    appx 54/55 according to the speedo.

    Early morning, nice clean river, almost glass. Only for less than a minute as I am at 8.5 hours on the engine. Was a tad under 5k tach. 19 pitch prop, I am wondering how a 20 or 21p would be...
     
  18. aprilfools63

    aprilfools63 New Member

    57
    Sep 19, 2007
    Fairfax, VA
    340 Sundancer 2003
    Twin 8.1s inboards
    45 mpg based upon GPS readings... wife screaming something about fuel but it was too load to clearly understand her :)
     
  19. wake

    wake New Member

    28
    Mar 22, 2008
    44-Speedo.

    175 Sport with 3.0merc

    That was with the stock 21p prop.

    Now, its like 38 with 17p 4 blade.
     
  20. Nehalennia

    Nehalennia Well-Known Member

    Aug 22, 2007
    Marysville, WA
    2001 310DA twin 350 MAGs, Westerbeke 4.5KW
    Twin 350 MAG V-drives
    My '91 180BR had a 4.3L Alpha I on it. Funny how they don't offer that set up anymore as it may have been dangerous. By myself, 1/4 tank WOT speedo fluttered at 60.
    It had a High Five prop, but I forget which pitch it was.
    That one flew. My 230OV was quite a bit slower. It had a top speed of around 46.

    This beast isn't as fast as DaveS's 100mph nitro burning monster....SUNDAY..SUNDAY..SUNDAY!
     

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