Re: 8.5 rear end for 1980 G body GM
Seems to me that QA-1 offers adjustible upper trailing arms that have an offset for the purpose of installing an A body 12 bolt in a later G body car as a bolt-in.I bought stronger trailing arms for my '68 Chevelle wagon from them and got a catalog someplace. Their stuff is pretty nice, as well. While a 12 bolt is getting rather pricey, there is an excellent selection of gears and a small block car probably can't break it. Also I think someone makes an aftermarket bolt in 12 bolt housing now for the A body.
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