I'm looking for some advice on a boat prop from aluminium to a stainless steel prop.
I have a 2004 Bayliner 175 XT with a MerCruiser 3.0 litre 135 Hp that has a I/O Alpha 1 generation 2 stern drive with a 4 blade Alumium 20 inch pitch propeller on it. I'm getting at present 43mph WOT ( 4700 rpm...
