rear end ratio
OK so I feel I am stressing the truck to much in hilly conditions pulling my 5th wheel camper, seems fine out on open road but needs help near the lakes and camp grounds going up those sometimes large...
Forum Discussion
I have 4.10s with my slow spinning CTD and I've run all day at 80+ and ~2600 rpm and got 18.3 mpg. Mr. Cummins didn't mind it a bit! 4.10 or even maybe 4.30s would be fine for a SB gasser. Craig
