Im not sure if this is the proper place to post this but: 3790628 1137 1067-Out of a 67 Impala 10 bolt. Im fairly sure its 3.36 ratio, but I wanna make sure its and 8.2" Also there was a 10 bolt rearend sitting at the junkward that looked to be from an A-Body. It had a big "B" on the top of the carrier housing. Ring Gear # : 41x 15 GM HT 277 2. Is this an 8.2 or 8.5? What ratio if its an 8.2"? Thanks!!