The Shriver/Fohl Morgan Plus 4 SS works to hold off a GT350 Mustang. Photo: Hal CrockerJames Cullen brought his exquisite Ford GT40 MkI from California. Photo: Hal CrockerBoulder Colorado’s Tom Benjamin raced his B Production Shelby Cobra. Photo: Hal CrockerDerek Harling competed with his Lola T91/50 Indy Lights racer. Hal Crocker