WIW Dana 60

Went to the local bone yard looking for the '71/'72 Dart that was there....gone, so was most of there older stuff. But I found a '74 Power Wagon that still has the Dana in it. Also a '77 Cordoba original 400 (missing) that had the exahust manifolds and 727.
How much do you think the rear end would be worth paying for? In an artical I just read the took a Dana and shortend it for a pass car... beats the 2K for a new one. I really don't have a use for it at this time but wouldn't mind it in my '56 and getting rid of the C body 8 3/4 I have in my shed. I'm going to go back next week and ask how much they want for it.