Just wanted to know who has a 28 with a single 502 or 496 HO, what are real speed with a full tank and 4 adults?

Just guessing, but I think you would be in the low 60's.

I have a28 for sale If interested call me 513 407 6206

Its the 2002 black F1 as for power, 675 hp motor excelent condition, 100,000 with motor,which I just had my engine builder go through, also xr drive, 80,000 with out motor. Boat runs 88 to 90 mph in fresh water all day long, ran 86.5 in 100% humidity with a full tank of gas. on lake erier ran 75mph in 4 to 5s with hands off the wheel. i sent you a message call me,boat has a myco trailer with drive extenstion, and tool box and spare, and detachable guide posts