Under cover... just waiting for a car show

This just makes me curious... rat rod? or Roth creation?

I sometimes can tell what the car under the cover is, but these have me stumped... I can tell it's a Chevy by the back rim... even probably a Camaro

'79 Trans Am?
GN?
'58 Fury?
Ford Victoria?
Also see: http://justacarguy.blogspot.com/2007/07/no-idea-why-this-photographer-likes.html#links