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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I get between 6 to 8 and 7 to 7.5 mpg. is all I average when towing my Liberty, after 28000 mi. it hasn't changed.
