71' - 72' Buick Skylark for sure, from what I have read. Oldsmobiles are a good place to look also in that vintage from what I have seen. 73' - up will not bolt in directly, they made some changes to the mounting. I was in salvage yard a few weeks ago, they had a decent 71' skylark - factory 350 2bbl car, I looked under it and it definitely had a factory 8.5 rear. My father's LA built 72' Chevelle had an 8.2 from the factory, 307 2bbl. Some claim they started to install them starting in 1970, I have yet to see one factory installed in a car that early.
HTH
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1972 SS 454 Chevelle LS5/M21/12 bolt 3.73 posi
1969 Malibu COPO L72/M20/12 bolt 3.31 posi
1968 Malibu LQ9/4L80E/12 bolt 3.73 posi
Last edited by carpoor; 05-06-2012 at 06:24 PM.
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