Re: mopar rear axle
My personal experience was that the extra performance of the Dana 60 made up for it's increased weight. The car did not slow down a bit. That seems to be most folks experience. If you can take out ballast to make up for the increased weight folks report the car picking up.
Of course changing the ratio in a Dana is a much bigger deal than a 8 3/4.
Your mileage may vary.
Bill
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