I agree with Dave. Unless the majority of the driving will be on the freeway. For getting around town you would definately be happier with a lower gear rear. I have 3:90 with a granny 4sp and an O.D. It's a combo that gives me the best of both worlds.

1962 Fleetside 4spd 235 w/O.D. posi 3:90
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1990 Subaru Legacy Wagon AWD 2.2 5sp
2013 Ram Tradesman C/V
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