Originally Posted by dabnis
I put one on my 16 foot fishing boat with a 35 HP outboard. In rough ocean waters it helped keep the bow down at slow to medium speeds, about all that we could run without beating the boat to death. Not sure if I lost any top speed, but I don’t think so. Also had an 8 foot inflatable raft with a 2HP Honda on it. I doubt putting a plate on your motor would help in any way.
One way to find out, try one. All it costs is a little bit of money & a few holes in your cavitation plate.