Fuelly mileage of the big three diesels
It appears the new 10 speed in the Fords made a significant impact in catching up with the Cummins fuel mileage in the 2500's. Although it is still too little info in all of the new 2020 models to te...
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those numbers are terrible.
Diesels need air in and air out. Change out air intake and add 4 inch exhaust. Then maybe a mild tune designed for towing to advance the timing slightly.
My F-350 gets well over 20 mpg, as much as 23.8 using cruise control.
Those numbers are just the starting point.
Diesels need air in and air out. Change out air intake and add 4 inch exhaust. Then maybe a mild tune designed for towing to advance the timing slightly.
My F-350 gets well over 20 mpg, as much as 23.8 using cruise control.
Those numbers are just the starting point.
