I have a 2019 2300 DV w/ 300 Yam and run with the motor 1 hole down from the top with a Merc Rev 4/Q4 17P. It does cavitate in turns. A few others run a Merc Eco 3 18P. I can get 3.1mpg at 3600 going 28mph. Top end is ~52mph. I feel that the boat has too much weight in the stern. This...