Boat is a Sea Pro 255 walkaround with 5.7 Mercruiser/Alpha 1. Approx weight loaded is about 6000 lbs.
The prop that came with the boat is a Vengeance SS 14-1/2 X 17P. WOT is 41 MPH (GPS) @ 4200 RPM
I tried a Vengeance 14-1/2 X 15P and got 38 MPH @ 4900+ RPM when trimmed out it will actually...
