Fuel Mileage
Silvero8:
I am regularly getting 10.6 mpg average; 60 mph on the highway and some around town driving. I run at 1200 rpm, and thinking somwday of changing the rear from 3.56 to 3.36 to improve the fuel mileage just a bit more.
We'll see . . .
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Highway OPie (Speed Gray) Grand Rapids, MI: 2003 Peterbilt 379 Motorhome; 550 hp 6NZ Caterpillar C15, Eaton-Fuller 18 speed transmission, 3.36 rear; 63" sleeper and 16' Morgan box.(highwayopie@aol.com). There are many Peterbilts, but this one is mine!
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