Really there's no substitute for putting your butt in the seat and running her around the lake to see how she handles. If you don't like how she handles, then you have to pick a solution and adjust your prop accordingly (see the article for details). If she's sluggish, you may need more torque. Your marina can talk to you about how to change to a prop with a different pitch. If you have a need for speed, then you'll want a prop that gives you more speed. There are other issues like cost, durability, blade width and the size of the engine that will be pushing this beast. Sounds like you have plenty of power. It's just a matter of deciding what you want to do with that power. If you'll be pulling skiers, you might want more torque to offset the drag. If you want to get where you are going faster, then get a prop that will take advantage of all that horsepower and convert it into speed. And you may want to test different props to find one that makes you happy. You might even keep a high torque and high-speed propeller and swap them out depending on what you are going to do on your afternoon on the water.