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I'v been thinking on buying a motorhome and was wandering what the differance was in gas milage between a big block and a small block or between a 20 ft and a 26 ft if anyone has compared them please let me know thanx.
My husband and I recently purchased him a 1979 Dodge Flair Motorhaome, and he took it to work for the first trip, and he got only 2 miles per gallon approximatly, I was curious what should this vehicle be getting??? Something seems very wrong with this. The vehicle only had about 60,000 miles on it.
With Chevy 454s I got 7.5 - 10 got the 7.5 with 25ft southwind..getting 9.8 with 33ft win. A lot depends on load rear ends, and transmission gearing,alignment, tires etc.
I'v been thinking on buying a motorhome and was wandering what the differance was in gas milage between a big block and a small block or between a 20 ft and a 26 ft if anyone has compared them please let me know thanx.
Its been my experience that some mopar engines have the same firing order as the small block chevy. So can you give me the exact firing order on a 1976 (440)big block?
There is almost no difference, the gas milage is determined by the frontal area of the coach , and the speed you go through the air.
Weight doesnt matter very much, and with a fairly new coach {less than 40 years} the choice of engine doesnt change the fuel use too mutch.
534 Fords get 2 to 4 mpg , but everything else is fine.
FAST FRED
Right on the button. It takes a certain amount of power to overcome wind resistance, road angle, inertia, component friction, etc. To achieve this power, a certain amount of fuel must be converted into a useable form, (expanding gases), engine size doesn't change the equation, except for maximum engine output. Engine effeciency in converting the fuel into useable power will make a difference between makes, but there is not much difference in this respect between the different makes of engines.
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