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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It's just you are an honest guy quoting gas mileage in the real world. There are so many factors determining gas mileage on a motorhome. The wind is a huge factor and whether you are going up or down in elevation. With my DP pulling a 6000 lb load in all honestly I only average about 7 driving 65. One day heading east out of Flagstaff I averaged 11.5 driving 70 mph. That is with a strong tail wind and going down in elevation. So I could brag that I get 11.5 mpg when in reality it was only one day under special circumstances. ;)
