Hello,
I am currently running a 21 pitch 3 blade aluminum prop on my boat. 19' Maxum with mercruiser 1.5 ratio drive on 5.0 rated at 220 Hp. Empty RPMs are about 4500 - 4800 trimmed up wide open. I have decided on buying a high five for the holeshot etc... My question is do I get a 21 pitch...