5.3 LS airboat dry load 

Testing out my 5.3 ls swap airboat on lake Kissimmee at the klrpoa ramp. Mild cam and tune with headers. Boat runs awesome, it will go anywhere you want with anyone. Has a 2.3-1 gear reduction box with 82” whispertip ex 2 blade on a 13’ rivermaster hull. Max mph around 70 and cruises at 2800 rpm at 30 mph