So if I can drive my boat at 4100rpm at a generally normal trim level at 43mph and without moving my foot trim it all the way up for 4500rpm at 42ish mph- question is what is better for the motor, I suspected the higher rpm with the same throttle % BUT then I started thinking will it just be running even more lean/hot?
No porpoising issues, but have read you don't want to bog the motor down at wide open with to much prop