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View Full Version : Classic 18 with 250-300 hp - How fast?



blackhawk
06-20-2002, 01:48 PM
Since my boat isn't ready yet my friend let me borrow his yesterday. It's a "donzi copy" or splash or whatever you want to call it. I had ridden in his boat several times but never drove it for more than a few minutes. Well, after 4 hours on the water with it I can say that I was very impressed with the acceleration this boat has! And the top speed was pretty good too. I was just curious how it compares to a 18 with 250-300 hp.

Sagbay32
06-20-2002, 03:00 PM
1995 18' 350 mag (carb) 4100 rpm = 60mph on speedo. No gps yet.

Ranman
06-20-2002, 03:42 PM
1997 18 Classic
350 MAG MPI (300HP)
Bravo One 1.65:1
25P Mirage Plus
40Gal Fuel
2-3 Passengers
66-68mph GPS All day long

riverrat
06-20-2002, 06:38 PM
1999 '18 - 350 mag mpi/alpha 1.62 25" mirage plus prop 68 mph speedo. :D :D :D

Ralph Savarese
06-20-2002, 06:41 PM
riverrat, what rpms are you running with that?

riverrat
06-21-2002, 06:50 AM
5,000 rpm :D

Barry Phillips
06-21-2002, 11:46 AM
1998 Classic 18
350ci/250hp
Bravo 1
SS 23pitch Vengeance 3 blade prop
46 to 48,000 RPM
30 to 40 gallons of fuel
2 people on board
65.2 on radar
(speedo reads about the same)
I have seen 67mph in my boat alone with 20 gallons of fuel.
With a full load, 4 people and 30 gallons of fuel boat will run 60 to 62mph 44,000rpm

Barry Phillips
06-21-2002, 11:50 AM
rpms are are little high, 4,400 to 4,800rpm, sorry!

bigman
06-24-2002, 04:54 PM
68 2+3 23 prop 65 on speedo,no GPS chine walks real bad don't know what top end is. Bigman