Propellor Question;
Have a 21ft boat, 165HP mercruiser, that runs great on it's original prop; 17 Pitch 16 diameter. (48 66450 AS4 17P) but getting worn out a bit.
Have also a still new 13 3/4 diameter 21 pitch propellor. (48 79576 A4 21P)
Would it run similar with the 13 3/4 21P as with the...