Ram 2500 CTD and GM 2500 Dmax up the Ike.
Pretty much a nonevent for both. I wish they would start towing 11-14k 5th wheels up the Ike in these tests. The wind resistance on those would make these trucks struggle a lot more. Ram 2500...
Forum Discussion
FishOnOne wrote:
Fuel economy difference is pretty significant. Flat land towing fuel economy would be interesting.
I suspect the HO cummins fuel economy in the 3500 is probably more on par with the Duramax.
Possibly. I know if I were going with a new 3500 SRW or DRW, I would go with the standard output version and just do an emissions intact tune on it. Best of both worlds, the higher compression ratio for efficiency and more power from the tune. Not to mention a tunable and faster shifting transmission.
