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Old 01-02-2017, 06:23 PM
Dan Stokes Dan Stokes is offline
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Join Date: Sep 2012
Location: Wilmington, NC by the Atlantic ocean
Posts: 2,530
On my Dodge/Cummins (mine is pre-Ram) with the tuner set on "Towing" it blows some smoke if I take off at full rack. In other words, it blows smoke a lot! But I get 24MPG on the highway and 18 when towing the race truck and trailer over the mountains so I don't think it's wasting too much fuel. Even around town I get 14-16 MPG depending on the driving cycle for that tank full (how much highway vs. city use).

Dan
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