I don't know which one to purchase. They are both pretty much the same price on iboats.com but I think the vortex is a little more high end, right? The prop is for a 1985 30 horsepower Johnson on a 15' Gregor aluminum. I was going to get a 10x13 but if I get the vortex prop which is cupped do I need to decrease the pitch by 2"? Thanks.
