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Message: [QUOTE="Jason, post: 235041, member: 430"] I just read page 2. I used to have a 2003 Chevrolet pickup, the 5.3 in it would get 21mpg on the highway. Put my mustang on a open trailer behind it and drug it to California...weighed 11k lbs and some change, got 11.x mpg towing that, and it downshifted a lot to maintain speed. My truck with the above mentioned enclosed trailer is 12k lbs empty, so 16k lbs with the car, me, my wife, and our junk for a trip. It doesn't downshift unless it's a big hill, and I'll usually just let the truck slow down as it needs to instead of forcing it up the hill. Also, I don't get great mileage all the time. I can gross 24k lbs and get 8.9 making the truck GO 75-80 across I-44 in Oklahoma. But all the mods in the world won't help your mileage, it's that right foot. I drove to Tulsa Oklahoma from where I live in Waco Texas, bone stock and consumed 14 gallons. Run the miles, and do the math for yourself. [/QUOTE]

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