[gbrown]

Ok, things are getting weird... my VIN says I've got a C10, but according to the pics of the rear diff and my LMC catalog, I'm thinking I've got a 3/4 ton rear. Can anyone help me ID it? Unfortunately, the truck is at my dad's house so I'm doing the best I can with pics, see below:

(Yes that's a cardboard gasket and, yes, it was dry when I took the cover off)