Forum Discussion
jmtandem
Jun 30, 2017Explorer II
All I can say is WOW. My 2004 6.0 gas did the job but going up I-80 and over Donner Pass I would have it up to 4200 rpm and doing 45 to 50 max in second gear. My 2016 duramax was effortless. I followed suggestions here on this board and kept it in cruise control and tow haul mode as much as I could and the truck did the rest. It maintained 62 effortlessly and I never touched the brakes unless encountering traffic. Tow haul mode would engage the engine break going downhill when needed. All I really did was steer.
Another gasser owner goes diesel and sees the light. No surprise to those of us that know diesels flatten the mountains.
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