Quote:
No,
unless you live in a world you never have to start and stop,
has no hills,
and you never have to get your car up to speed.
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That is what I use 1st ,2nd, 3rd. and 4th for. high-way I stay in 5th and that is final gear ratio controls RPM over distance.. around town the 4:44 will most likely get better MPG.
when i had my old 56 chevy i blew a rear end every month . I used up every one the junk yard had . Went from 3:08 to 4:56 and I could tell what I had by my MPG and my RPM in 3rd. (high gear) and they were strongly related