1976 ozark 16 ft tri w 76 70 hp johnny. Finally found the prop dimensions, 13 3/8 x 19. I am running 5k rpm at 34 mph (gps) w light load. I know its apples to oranges as far as different brands. If I get WOT up to 5800 rpm what would be a possible top speed. Guesstimates please....
