November 30, 1968 MRJ article, "Step-By-Step: Mike Steube Builds A Chassis":
March 15, 1969 MRJ article, "The New Two-Rail Chassis":
May 17, 1969 MRJ article, "- Lighter & Shorter: It's Worth A Try -":
Next are some Sports and GT car pictures from other races during the MCS/USRA time frame.
February 30, 1969 MRJ car pictures, "Hinsdale Manufacturer's Race Feb. 8":
April 15, 1969 MRJ car pictures, "2nd Mura Pro-Am Spectacular Race Apr. 5":
June 16, 1969 MRJ car pictures, "Mura/Cobra East - West Spectacular May 31":
