Massive racing picture collections

http://www.racingsportscars.com/photo.html

Sebring 12hrs in 1973 is one of the best I've seen so far, well as far as chrome bumper vettes go

Theres alsothis gallery

1973 mid Ohio has a nice selection

http://www.pbase.com/mwphoto

Thanks for posting trhe links. Lots of great pictures!