I have been trying to get the correct prop on my 16' Key Largo Center Console. It has a 2003 50 hp Merc 2 stroke and the prop that was on it was 10 3/8x12 and the rpm's would be pegged out past 6000 wrong about 32 mph. I swapped it out for a 10 3/8x14 and did not make much difference. I am...
