Evel Knievel 1972. On January 7 and 8, 1971, Knievel set the record by selling over 100,000 tickets to back-to-back performances at the Houston Astrodome. On February 28, he set a new world record by jumping 19 cars with his Harley-Davidson XR-750 at the Ontario Motor Speedway in Ontario, California. The 19-car jump was filmed for the movie "Evel Knievel." Knievel held the record for 27 years until Bubba Blackwell jumped 20 cars in 1998 with an XR-750. In 2015, Doug Danger surpassed that number with 22 cars, accomplishing this feat on Evel Knievel's actual vintage 1972 Harley-Davidson XR-750. On May 10,
1971 World Sportscar Championship 1971 World Sportscar Championship The 1971 International Championship for Makes season was the 19th season of FIA World Sportscar Championship motor racing. It was open to Group 6 Sports Prototypes, Group 5 Sportscars, and Group 4 Special GT Cars and was contested over an eleven race series which ran from 10 January to 24 July 1971. Porsche won the championship, and the German manufacturer also won the International Cup for GT Cars. † - Sports Prototypes and Sportscars only, GT class did not participate. Championship points were awarded to the top 6 finishers in each race in the order of