I have a 91 Mercruiser 3.0 liter, Alpha drive, with a 15 1/4" diameter, 15 pitch, 3 blade, standard rotation prop on it. I damaged it so I bought a new one from Solas. The new prop is taller than the one I took off by about 1 1/2". When rotated it hits the trim anode. It attaches fine to...