1986 Four Winns Liberator
260 HP 350
Alpha 1 Drive
Gear ratio- Told it is ?1.5?; is there a great way to verify?
WOT is to be between 4200-4600 RPMs
Currently boat runs 4500 RPMs and about 47 MPH (GPS) on a clear, smooth day.
Boat weight (aside of fuel, occupants)- 3100 pounds
So my question is...