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Old 10-01-2010, 11:44 AM
timrf timrf is offline
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Default 2010 cummins milage?

I bought a 2010 with cummins and auto trans . pulling my 28ft 5th wheel on the flat averaging 62 mph the best Iv'e done is 11.5 mpg and no real head wind. In the mountains and long grades 8/9mpg. Igot about 10000 miles on it right now and I'm sure it might inprove a little more with a few more mile on it . I was wondering if there are any changes I can do to inprove the mileage. Oh this is real mileage not going by the computor. Tim
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