I need more speed!! lol. 25mph not fast enough. Okay so here it is.... My boat is a Fisher Marine. Measure 15' x 60" X 48" floor. Transom height is 17". Placard says max 25hp, 800lb people, gear, motor. Now i know it can handle more motor. I had the same 25hp on my 1436 Ouachita, and had the...