I'm planning on towing my 17' Lund from Colorado to Idaho. One way is approx. 1100 miles. I plan on doing 550 miles per day. Boat, trailer, gas and gear weigh in at about 3200 pounds. I'll be towing with a Chevy heavy duty 3/4 ton 4x4 pickup. It has the 7.4 L engine with 4:10 gears. Am I...