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So if I calculated correctly with my 400 engine 3.07:1 rear gear ratio Mated to an overdrive transmission ..My final crushing Rpm on the interstate @ 70-75mph would be near 1440 RPM ..I’m a noob but that’s too low correct ?
I’m getting 10-12mpg with it now on interstate ..Yes looking for better MPG a lot of the places I go hunting are 3/4 hrs away and on the highway with 3speed automatic pushing 70mph is hard on the old girl with All time 4wheel drive