2004 SeaRay 185 Sport, 4.3L 190 hp, Alpha 1 1:81 ratio, dry weight per SR site, 2650, 450 lbs people, 26 gals gas and stuff for the day, make it 3300 lbs approx, stock Merc prop 14X23 wot 5100 rpm 49 mph, wanted to increase speed and drop rpm slightly, ordered Turninpoint Hustler 14 1/4X23...