I have a 1988 Sunrunner (cuddy) that was 18 feet I/O but has had a pod added and converted to an outboard. Powering it is a 1999 150 HP Evinrude Ficht Ram with a 3 blade aluminum prop (15x15). I have no idea what the WOT is because the tach isn't working properly (one of a few bugs I need to...