Gasoline Mileage improvement after break in.
This is the first vehicle that I have ever owned, and I have owned many, that actually improved its fuel mileage a lot after the first 5,000 miles. It is a Silverado 2500HD with the 6.0 gasoline engi...
Forum Discussion
Only ecoboosts that are getting mid twenties @ 70mph are 2wd and 3.31 rear end.
3:55's and 3:73's will give you about 17-18 @ 70mph. If you want low 20's drive 60 mph.
3:55's and 3:73's will give you about 17-18 @ 70mph. If you want low 20's drive 60 mph.
