I have an XR 2002 running a 2.5 260 with 15 inch mid 2 to 1 200 case , just got a new prop from Todd at Hydromotive it,s 13 3/4 by 30 , anyone have any suggestions on the best set-up for top end , I have a 6 inch setback , ran it today with the prop shaft set even with pad , ran 108 on gps ,rpm...