im sorry I bought a business last August and have not been on here since I have not figured it out yet have talked to several prop shops and got several opinions most say to go down two pitch sizes and they suggest going to four blade if you do you have to go down two more pitch sizes I...
do you still have this 420 if so I have a question I also have a 1990 420 I'm having a low RPM problem I have 22''x26 props do you know what props are on your boat and how many RPM you are turning at WOT thanks
I have a 1990 Searay Sundancer 420 with cat 375 hp 3208 engines.I have 22" by 26 pitch 3 blade props, Sea Ray says this is correct props for my boat when I gave them serial number. Boat is supposed to turn 2800 rpm at woot I am only turning 2500, had a cat mechanic check out engines and he said...