1970 C10 lwb frame to 1964-1965? c20 lwb body?

[Schoolboyrick]

So I have a 1970 c10 longbed that runs strong the bodies just shot, so that being said I've been searching all over craigslist for a body and had no luck, so I decided to see if there were any k10s or c20s and I found a c20,

http://sanantonio.craigslist.org/cto/4549057116.html

I've talked to the owner and I'm finding out what it takes to get it's papers, but any way is it possible to even put this body on my frame?

New to this forum please help!!!!