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Old 06-11-2011, 09:03 PM   #10 (permalink)
slowmover
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Join Date: Oct 2009
Location: Fort Worth, Texas
Posts: 2,442

2004 CTD - '04 DODGE RAM 2500 SLT
Team Cummins
90 day: 19.36 mpg (US)
Thanks: 1,422
Thanked 733 Times in 554 Posts
Mallinson has a series of stories (this one about an O/O) to improve efficiency.

There are several "guru"s out there; another is Kevin Rutherford.

And don't knock 6-8 mpg. Try comparison to a pickup truck pulling heavy loads (where the most I know of being towed regularly is 15k). A big truck can handle 52k in some standard configurations. The pickup is straining to maintain above 10-mpg.
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