I consistently get 22 mpg at 65 - 70 mph freeway driving which tachs out
about 2000 rpm. Pulling a 7000 lb trailer I get 16 mpg driving 1/2 mountains
and 1/2 flat land. Tach is all over the place when in tow/haul and in the
mountains and again around 2000 rpm on the flats. I've got a '04 LB7. Check
out http://forum.thedieselpage.com/cgi-bin/ultimatebb.cgi if you haven't
already, a bunch of great guys and more info than you could ever want.
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