Quote:
Originally Posted by Jim-Bob
I have a 1985 Cutlass with a 355 Chevy that picked up 2-3 city mpg by going from a 2.41 gear to a 3.23. In a car that was getting 12 mpg, that is a very significant change.
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Is it possible that the gearing change allowed the torque converter to lock up at city speeds? Or even just allowed the trans to shift into top gear more often?