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Is it possible to get more than 5mpg with this engine. Its in a 24ft class A.
Assuming the engine mechanicals, the carburation, and ignition components are in good shape, there's little else that can be done except to get rid of as much weight as possible and reduce speed. Wind resistance increases by a factor of four as speed doubles, so you can take that into account. 5-7 mpg is about the norm for a big block anything in an RV, depending on the state of technology of the engine. An increse in mileage of say 10%, would only result in 1/2 mile per gallon gain in mileage, and 10% increase would be hard to achieve.
Is it possible to get more than 5mpg with this engine. Its in a 24ft class A.
I own a 79' foretravel, 33ft. with a dodge 440-3. My mileage when not towing is 8 to 10 mpg. When towing a 16ft. trailer, fully loaded, mileage drops to around 7mpg.
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