My wife had a '96 Explorer with the OHV 4.0L and 2WD. On my best behavior, I managed 19mpg on straight highway driving at about 60mph. And about 16mpg in mixed driving. That thing was a dog.
This guy has the SOHC 4.0L and some mods that should benefit mpg. I can see it being possible, but unlikely. And highly unlikely at 70mph.
Mike
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