I am breaking in a set of 225 Suzuki 4-strokes with stainless steel props with a 16 pitch on a 28' Offshore Center Console Pursuit. I am turning a lot of water at 3000 rpm but not going over 20 mph. Manual says not to rev over 3000 rpm for the first 8 hours unless for short period to get on plane and then back-off. I cannot get on plane even at 6000 rpm. Any suggestions on how to match the props to the engines and what would be the best rpms to economically run once the props are matched?