Here is what I have:
2008 Nissan 20 hp long shaft on a 2008 14' X 67" Lowe Aluminum boat.
Current prop is stock aluminum 9.25 diameter with a 9 pitch, 3 blades
WOT is 6200 plus till I believe it hits the rev limiter. That is with an adult and 4 year old, fishing gear, and cooler on board...