May 1964
Allen Grant drives car number 8, Cheetah and Jerry Titus drives car number 16, Cheetah.
Ken Miles drives car number 50, Shelby 289 Cobra.
Don Wester drives car number 60, Porsche 904 GTS.
May 1964 #110 Lotus 23
May 1964 #29 Lotus Mark VI-Buick
Car number 66, Jim Hall, Chaparral
Ed Leslie drives car number 98, Shelby Cobra 289.