I have a 2002t with a 97 260ss, 11 inch setback,no rev limiter on chip,haven't had the boat long so haven't opened it up all the way yet.I'm turning a 26 4 blade yamaha copy7000rpm @90mph.Was thinking about getting a 28 et but found a deal on a once run 26 et.Would the 26 be the one i need?I...