1991 2459 bayliner trophy offshore 5.0 alpha 1, gear ratio 1.47- 1, dry weight 4300 lbs . loaded weight plus fuel 5900. 14.5 x 17 aluminum 3 blade on it now. want to go to a 4 blade. boat is primarily erie fishing boat. My research suggests a 14.5 x 15. Any suggestios would be appreciated.
