So, i finally pulled the trigger on a new prop. the boat is a 85 4 winns 21ft 3.8 omc stringer with a 14.25x 19 ss 3 blade.. so i pulled the trigger on the 4 blade solas. I was hedging my bets on the 14.5x15 4blade for a couple of reasons. My reasons, addition of kicker motor ( 93 9.9...