Has anyone used agricultural diesel in the 6.7? Does it get better mileage? Any drawbacks?
I drive about 40k miles a year all interstate. Does anyone have any suggestions for better mileage? Currently getting high 19mpg to low 20 mpg.
I drive about 40k miles a year all interstate. Does anyone have any suggestions for better mileage? Currently getting high 19mpg to low 20 mpg.