Actually the PHS has a load of information. Did you receive a copy of the billing history? That has all the as-built details. If you ordered by fax, you should have received a follow up packet with the full decode by mail. If not, we can decode it for you if you post it.

How about a couple of photos of the rear end showing the rear cover? I am betting that it's going to be a 10 bolt 8.2" '70 Chevy originally with 3.08 posi rather than a Pontiac rear. The rear diff cover on a Chevy is round/oval; on a BOP it has scallops on left and right.