Re: Mopar 8 3/4 VS 8 1/4
I ran a 8 1/4 for years in a 72 Duster 340. Broke one tooth once on ring gear. Car ran mid 11's in "stocker trim". Full interior all steel. I think it is less hassle with 8 3/4 being able to use a spool and not have to replace the Posi in the 8 1/4 every few years or so. I did change to an 8 3/4 but made a gear change so I can't say if one is faster.
Monty
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