I have a question about my new 2002 quad 4x4 long bed w/ 3:54 rear end's fuel mileage. I have about 7000 miles and my mpg is 12 to 15 mpg towing a 1700 lb tent trailer. Running about 70 on the highway and in the mountains of southern colo. I have been getting approx. 17 mpg empty. Compared to my...