I have a 2011 Magic Tilt trailer with a GVWR of 9100 lbs. It has brand new axles, brakes, tires, brake lines and brake actuator/coupling. I have a 2011 SeaRay 250 SLX on it. According the boat specs, the standard weight for this boat is 5400lbs with the 350mag. I have the 8.2L so im adding 300...