Ok,I need to see if I'm on the right track with my prop tests. On a 17' alum. cat hull boat rigged with a 90hp.TLDI on a 6" JP. With the 3 blade alum.prop 13.75x15P, JP down,motor tucked, good holeshot, WOT 5200rpms. Prop will blowout during holeshot at any JP position but all the way down and...