I have a 2006 250hp running a SWSII 15 1/2 x 17. Hardtop, enclosure, bottom paint, 92gal fuel, no aux tank yet, 2-3 people. Planing well before 4k. Getting close to 25mph at 3500rpm. 42-43mph 5600rpm. Was thinking of going to the prop you have. Find the boat is a bit stern heavy and could...