Check out this garage owned by Craig Jackson from Barrett-Jackson! Looks like he has a Shelby and a few other clunkers sitting around! (Didn't see any 71-73's though)
http://www.youtube.com/watch_popup?v=_M0-xrF2kpA&vq=medium
http://www.youtube.com/watch_popup?v=_M0-xrF2kpA&vq=medium