Duramax
When you're cruising at 75 mph,,,,passing everyone,,, uphill,,, with camper in tow,,,, and you look down and notice the rpm's are at 1800,,,, you say to yourself "Self, buying a Duramax dually was a ...
Forum Discussion
What are the lights for on the bottom right? Something wrong with you gauges. Avg. MPG of 13.4 at that speed? Even if it was a result of lower speeds to climb at that speed should have dropped the mpg.
