So, when we decided to build a big block duster starting with a /6 car, we knew we would have to upgrade to an 8.75 rearend. Didn't really think about bolt pattern when we saw an A-body 8.75 rearend with Richmond 4.11 sure grip came up cheap in our area. It was out of a '71 340 duster and our car is a '73 bbp. I know, we should have swapped bbp axles into the housing. But it slipped by and now we have mixed bolt patterns. So we hit up the mopar nationals meet and found a pair of sbp cragers with all the correct lug nuts. And picked up a set of 4 bbp cragers from a guy local selling them. They are used, but in decent shape overall with some pitting and rust. What do you think?
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