What diameter and pitch are you guys swinging on your 1998 Prostar 190. The prop I got with this boat seems a little small in diameter. I could only get a rough measurement across the nut and shaft but it looks to be around 11 inches. That seems a little small to me; maybe not. It's too cold to go and pull the prop to look at the markings. Maybe someone here can give me an idea of what you are using.