I have a 16-6 Starcraft 166 SC C Star aluminum boat with a 60 hp Merc with a standard prop. On the days when I've got a full boat (5 adults), it's hard to get the boat on plane, depending on wind direction and speed. Is there an aftermarket prop design that would help with this? (Obviously the 60 is a little small for that much weight, but when I bought it 11 years ago the kids weren't this heavy!) Thanks.