In order to get on plane quicker I replaced a 3 blade, 14x17 aluminum prop on a new 70Ahp Suzuki with a 4 blade 13.5x15 Turning Point aluminum prop. It planes much better but has a very noticeable whine from 1200-2000rpm. The original 2000 70hp Suzuki had a S Steel 4blade, 13.25x15 prop that had...
