Seen 'em on an Ericson 36!!
Well Steve, what an interesing situation. One thing you have going for you is that the transom is flat, very accessible from the inside to bolt through a mount and alight boat to begin with. Down the dock from me was an older Ericson 36 that lost its diesel to wear and he mount a Honda 7.5 off the back. It was weird watching him tool around, but it sure worked fine for him. Consideirng your going to be dealing with those Carolina tides and currents you can probably get by with no less then a 10-15 horse engine. Most of the 15Hp engines share the same size chasis as their smaller 8-10 hp sisters, like Honda for example. It will be a bear to hang over the transom, especially if their is a stern pulpit to lift it after each use. A fuel line and plastic tank would be easy for the cockpit. Controls (throttle and gear) would be another issue!! Which ever engine you choose, make sure its a long shaft to get a good bite if you have following seas coming in the inlet. A 25 hp new outboard can be some major bucks. I would weigh out a used diesel and R&R costs if your looking at over 2k to put an outboard on.good luckBob'88 Catalina 30