1999 to 2016 Super Duty 1999 to 2016 Ford F250, F350, F450 and F550 Super Duty with diesel V8 and gas V8 and V10 engines

v10 gas mileage

Old 01-25-2019, 02:46 PM
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Originally Posted by sidewinder770 View Post
More MPG would be nice but with the wind/hills it was down shifting like crazy. Usually had to keep it 60-65 mph and follow a semi just to keep it from going into 3rd. cruise control was out of the question. I have 4.30 gears with a 5star tune so couldn't ask much more from the truck. Just didn't have the torque to do well with that kind of head wind and hills. Long bed dually would have helped as well but that's a whole other issue. Love the truck and the V10 and didn't want to go to a diesel but may not have a choice with the new trailer.
Sidewinder, do you know at what highway RPM your truck gets the best MPG while towing the big trailer? I have a 29' (33' total) toy hauler travel trailer that's 7500lb empty and around 10,000lb loaded. I also have a fiberglass topper that may help with wind resistance.
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