2009 ram crewcab, hemi, rambox. 3.21 rear end . 351,200
On the clock. Towed a 6500 travel trailer . Best milage 6-8 mpg. If heavy winds a lot less.
It would grunt starting off, once on high way i would use tow/haul mode. Pull it in 4th or 5th. Sometimes it would shift back and forth 5-4 ...
i have a 2009 with hemi , rambox ... 142,000 miles .. Live in Texas drove from Dallas to corpus 410 mile ... kept at 68 miles ph ... avg 20.2 mpg .... The faster you go the mpg starts to drop .... On mine 68 is the sweet zone ?
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