I found this excellent article of vintage F1 and racing on speedhunters.com written by John Brooks. Amazing and unusual pictures from a time when motor sports was a deadly affair:
http://speedhunters.com/archive/2010/07/27/photo-roll-gt-gt-film-speed.aspx


It really worth a read.

Some pics:



Look at this guys smoking while putting out the flames of a totaled F1 car that crashed into the audience: