Gas Mileage
What kind of gas mileage could you get with a 37 foot fleetwood motor home with a: 454 Chevy Engine Allison Transmission Tag Axle. Are we talking 4 mpg, 6 mpg, or possibly 8 mpg. I'm just l...
Forum Discussion
A lot depends on the weight, gearing, and how you drive, but at 37 ft with a tag axle you might weigh 20,000 lbs or more. You are more likely to average below 8 mpg. I have a 33 ft MH with a 454 TBI and a 4 speed transmission that weighs about 15,000 lbs fully loaded (13,500 ULW) and have averaged 8.6 MPG over 85,000 miles of travel.
