Just posted a gallery of sprint cars (and a couple mods) from 1991. They are all driver or checker shots (almost all winged - sorry). Even have shots of Steve Kinser and Doug Wolfgang (at Eldora) posed with their cars.
http://www.smugmug.com/gallery/6478277_YaEPy
You can see everything at:
http://www.fscpictorial.smugmug.com
Disclaimer: Photos were shot with a 0.0 megapixel Pentax K1000.