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...
Are you pulling anything? If you get over several tanks and mixed driving between 8-9 be very very happy. 7-8 be happy. 5-6 perhaps a bit disappointed, and slow down.
I had a 31 ft with a 454 and averaged low 8's, no tow. High was low 10's on flat roads, real gas.