This deal is actually a complete mess. In addition to the things David noted, one of the big differences is the upper and lower control arm bushings. They changed them all over the place. 70 Camaros shared the same as 69 Camaros, but the 70 Firebird didn't. They changed the Camaro units to match the Firebird in 71 (lowers, if I recall), then they changed everything at least one more time.
It's important to know what year the SUBFRAME is when you look at this stuff, lots of them have been replced with units from the boneyard, etc, so you have to be a bit careful when ordering the goods.
Mark
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