Ive got a predator 212 on a 1036 jon boat, got 10 mph down river with thai longtail and stock motor with a passenger, I got a billet rod and flywheel, exhaust and cam, 18lb springs. How much do you all think i will get out of it? here is a video of my motor
https://www.youtube.com/watch?v=S5NUhhYKO0I