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 have the same engine and transmission. My last three summer trips of 3000-4000 miles resulted in average mpg of 7.31, 7.33, 7.70. That was with the toad.
