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Texas_Roadrunn1's avatar
Texas_Roadrunn1
Explorer
Jan 21, 2018

2016 Ford F-350 Crew Cab LWB Dually 6.7 Mileage

Our 6.7 liter truck mileage has dropped from the 14-16 mpg range on the highway to around 12-13 mpg when not towing. Truck has about 35,000 miles on it. We have seen mileage in town as low as 10.5 mpg...
Tow Vehicles
FishOnOne's avatar
FishOnOne
Nomad
Jan 28, 2018
ppine wrote:
A new air cleaner is the cheapest way to improve your mileage with a diesel.


I drove a calm trip last weekend to the deercamp and made a solid 21mpg. Been doing this for the last 137k miles.

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