I'm going to upgrade to stainless soon. I run a 23' reinell open bow, V-P Sx drive 5.7 ltr (280 Horse). Do lotsa pullin (waketower), tubes, skiers, wakeboarding w/ lotsa weight on board in the form of 4-6 adults and 4-6 kids on average. My best prop is the OEM 17 pitch. Some sites suggest a...