What Differential Do You Have in Your 1965 Barracuda?

RustyRatRod said
I THOUGHT 65 was the first year for the 8 3/4, BUT it would have been the 741 center, not the 489. Mike, did they not make it in those until 66?
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741 and 742 came first. 741 cases were used in the A bodies and 742 in the B bodies.