What Differential Do You Have in Your 1965 Barracuda?

cosgig said
The 8 3/4” was available by late 1965, although always as an extra cost option. Mopars big fix for the weakness was to make the 7 1/4” Suregrip standard on the 4bbl cars. I would bet that under warranty, the 8 3/4” was not the first repair, it was probably given to repeat “offenders”, after a couple times into the dealership.
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A few years ago I had what I thought was an original 65 Cuda 273 4 bbl car. It had a 7 1/4 with sure grip 10 in drums. Who knows if original rear end. But if the original rear end out, Ron Slobes yard was just down the road and 7 1/4 A rears with sure grip and 10 in drums were heap.