in dier need of prop help i have a 19ft renken bowrider 1987 rebuilt engine starts and runs great its got 3.0l mercruiser 120 hp alpha 1 i put a stainless chopper 19 pitch prop on it after i rebuilt the carb cause it was extremely boggy before now it doesnt hesistate a tall but im only hitting 4 to 4150 rpm at WOT and 26mph tracked on my gps while tilt/trimming the motor up down and all around i end up with a nice roost if to much trim but no speed difference 26mph is with 5 gallons of gas and 1 to 2 people with 4 people i bet im hitting 10 to 14 mph it does plane out but feels like its got something holding it back but the motor does not seem to hesitate a tall please help thanks