In 1990, with ZR-1 and L-98 Corvettes and the United States Auto Club (USAC) and the overall governing body of Federation Internationale De automobile (FIA), in Ft. Stockton, Texas, set three world records (averaging 175.885 MPH including pit stops for 24 hours.); twelve International Class Records, and a 5,000 mile record (173.791 MPH). The 50 year old legendary Ab Jenkins' record was finally broken by the Morrison Corvette ZR1's.