Forum Discussion
BB_TX
Apr 12, 2016Nomad
Unless you plan on going really heavy, I think the 3.73 would work fine. I have a 2012 F350 SRW 6.7 3.55 and it pulls my 12,000# + high profile 5er fine, even over Colorado mountain passes. Cruises in overdrive at 65-70 and ~1,600 rpm over relatively flat highway, rarely downshifting.
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