Thanks for the reply. My motor is currently about 3 1/4" above the keel, I was trying that, as that is what Armstrong recommended. However it definitely runs the best 1 hole up, putting me at 4". I have a pretty detailed spreadsheet of my different props and performance numbers- but they aren't very consistent with load, tide, etc. I took my 18.5 prop in to have it worked, and it turned out a couple blades were bent, and he is going to add a little cup to try and keep me hooked up better. I also removed a large total scan transducer from the transom that was fairly close to the center line. I am hoping that raising the motor back up, repairing the prop, and removing the transducer will get me where I need to be, but we will see. I've got the funds and patience to get it right... but of course I'd like to figure it out sooner than later.
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