Here's the specifics. I've got a new to me trophy 21', with a 29"transom and a Mercury optimax 150, 25".
Prop is: Mercury Vengeance (13 1/8 X 16")
I think I'm about 3.5" too high, see pic
https://photos.app.goo.gl/ybbAwMfM3VdBv7Wg9
I can drop the motor 1 hole as it is right now. I think that...