Any G3,Grizzly,tomahawk,etc.owners out there? I need feedback. I have a 03 G3 1860sc w F90yamaha,boat wt. 900lb+/- mtr 400, baby got back! looking a new prop,current is 13 1/4 x 17 3 bld. alum. stock?prop wizard says 19 or 21 pitch 3 blade.I am intrestd in a 4 bld as I read they have advantgs...