Workhorse 8.1 liter poor fuel mileage
I have a 2005 Fleetwood Southwind 37c with the 8100 Vortec V8 with an Allison 5 speed transmission with 28000 miles that gets very poor gas mileage, about 6 mpg towing my boat or pickup and 7 mpg empt...
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Just let you know your not the only one in that boat. I had a 04 SW 37c. I bought it with 17 K and traded it at 32k. My average mpg, towing a Jeep Liberty ranged between 6 &7. I checked each tankful using math not the computer readout in which It often showed one or more mpg. My unit was all stock and mileage tracked during trips from western US to Texas
