2018 SuperDuty DRW - 3.55 or 4.10 Gears?
We are close to ordering the following: 2018 XLT DRW F-350 SuperDuty Powerstroke, 4-door, 4X4 It will seldom be driven empty. It will primarily be used to haul a 4,000 lb truck camper while towi...
Forum Discussion
1stgenfarmboy wrote:
Out of all the diesel HD trucks I have owned the 2 with 4:10's got better MPG than the 3 with 3:54's, now if you were in the habbit of running 80+mph that would probably change.
I wonder why.....My guess is the axle ratio is not the reason. The brake specific fuel consumption of a diesel engine is always better at lower rpms.
