GA1dad
Nov 09, 2016Explorer
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 ...
Cummins12V98 wrote:Charlie D. wrote:
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.
Truck was my 11 HO RAM Dually with 3.42's. Lights are Tow Haul and Exhaust Brake.
I was traveling on I-10 Eastbound towards Phoenix, AZ at 75-80 mph. I slowly ramped up from that speed to 103 over a couple miles and the wife had no Idea how fast I was going.
My 15 will top at 104 @ much higher RPM's.