Not sure what year your car is or what auto it has, but 3.73s are my favorite for all around drivablity. My '67 had 2.80s with the 3 speed auto. Such a dog off the line but a rocket at highway speeds. I now have a 5 speed manual and 3.73s. Couldnt be happier. Great off the line torque and low rpms at 75 mph.
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