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...
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I have 2wd. In addition to "apparently" picking up some mileage after 5,000 miles, I am getting better mileage with my 2013 than I did with my similarly equipped 2007 and 2009 Silverado 2500HD's. I think it is a "little of this and a little of that". I recently installed a fiberglass cap, the tires are getting broke in, and I have become a little more fuel conscious with the accelerator. Something about $4/gallon gasoline got my attention. Thanks to all for their thoughts on the subject.
