| 1976 USAC Championship Car season | |
|---|---|
| USAC National Championship Trail | |
| Season | |
| Races | 13 |
| Start date | March 14 |
| End date | November 7 |
| Awards | |
| National champion |  Gordon Johncock |
| Indianapolis 500 winner | Johnny Rutherford |
The 1976 USAC Championship Car season consisted of 13 races, beginning in Avondale, Arizona on March 14 and concluding at the same location on November 7. The USAC National Champion was Gordon Johncock and the Indianapolis 500 winner was Johnny Rutherford.
All races running on Oval/Speedway.
Note: David Hobbs, Danny Ongais and Vern Schuppan were not eligible for points.
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The 1982 CART PPG Indy Car World Series season, the fourth in the CART era of U.S. open-wheel racing, consisted of 11 races, beginning in Avondale, Arizona on March 28 and concluding at the same location on November 6. The PPG Indy Car World Series Drivers' Champion was Rick Mears. Rookie of the Year was Bobby Rahal.
The 1983 CART PPG Indy Car World Series season was the 5th national championship season of American open wheel racing sanctioned by CART. The season consisted of 13 races. Al Unser was the national champion, and the rookie of the year was Teo Fabi. The 1983 Indianapolis 500 was sanctioned by USAC, but an arrangement was made such that it counted towards the CART points championship. Tom Sneva won the Indy 500, after three previous runner-up finishes.
The 1971 USAC Championship Car season consisted of 12 races, beginning in Rafaela, Argentina on February 28 and concluding in Avondale, Arizona on October 23. The USAC National Champion was Joe Leonard and the Indianapolis 500 winner was Al Unser. For 1971 it was decided that there should be three separate points championships, for paved ovals, dirt ovals, and road courses.
The 1972 USAC Championship Car season consisted of ten races, beginning in Avondale, Arizona on March 18 and concluding at the same location on November 4. The USAC National Champion was Joe Leonard and the Indianapolis 500 winner was Mark Donohue. Jim Malloy was killed at Indianapolis in practice; he was 40 years old.
The 1973 USAC Championship Car season consisted of 16 races, beginning in College Station, Texas on April 7 and concluding in Avondale, Arizona on November 3. The first race of the season, in Avondale, Arizona on March 17, was postponed by rain and eventually cancelled due to infrastructure damage caused by the rain and scheduling conflicts. Bob Criss was killed in a private test at Phoenix before he could enter another event. He was 35 years old. The USAC National Champion was Roger McCluskey and the Indianapolis 500 winner was Gordon Johncock.
The 1974 USAC Championship Car season consisted of 14 races, beginning in Ontario, California on March 3 and concluding in Avondale, Arizona on November 2. The USAC National Champion was Bobby Unser and the Indianapolis 500 winner was Johnny Rutherford. Due to the events of the 1973 Indianapolis 500 significant improvements were made to the cars for safety concerns. Wings were reduced in size, and pop-off valves were added to the turbocharger plenums in order to reduce horsepower and curtail speeds.
The 1975 USAC Championship Car season consisted of 13 races, beginning in Ontario, California on March 2 and concluding in Avondale, Arizona on November 9. The USAC National Champion was A. J. Foyt and the Indianapolis 500 winner was Bobby Unser.
The 1977 USAC Championship Car season consisted of 14 races, beginning in Ontario, California on March 6 and concluding in Avondale, Arizona on October 29. The USAC National Champion was Tom Sneva and the Indianapolis 500 winner was A. J. Foyt. The schedule included a road course for the first time since 1970.
The 1978 USAC Championship Car season consisted of 18 races, beginning at Phoenix on March 18 and concluding at the same location on October 28. The USAC National Champion was Tom Sneva and the Indianapolis 500 winner was Al Unser. This was the last year before the first USAC/CART "Split". By winning the Indianapolis 500, Pocono 500, and California 500, Al Unser swept the Indy car "Triple Crown", the only driver in history to do so.
The 1979 USAC Championship Car season consisted of seven races, beginning in Ontario, California on March 25 and concluding in West Allis, Wisconsin on August 12. The USAC National Champion was A. J. Foyt and the Indianapolis 500 winner was Rick Mears. With the exception of the Indianapolis 500, most top drivers instead competed in races sanctioned by CART.
The 1981–82 USAC Championship Car season consisted of six races, beginning in Speedway, Indiana, on May 24, 1981, and concluding at the same location on May 30, 1982. The USAC National Champion was George Snider. The season included two Indianapolis 500 races. The 1981 winner was Bobby Unser, while the 1982 winner was Gordon Johncock. The schedule included dirt courses for the first time since 1970.
The 1970 USAC Championship Car season consisted of 18 races, beginning in Avondale, Arizona on March 28 and concluding at the same location on November 21. There was also one non-championship event at Pikes Peak, Colorado. The USAC National Champion and Indianapolis 500 winner was Al Unser. After this season, dirt courses did not reappear in the USAC Championship until 1981-82. Road courses after this season did not reappear in the USAC Championship until 1977. The Pikes Peak Auto Hill Climb was the only non-championship event.
The 1956 USAC Championship Car season consisted of 12 races, beginning in Speedway, Indiana, on May 30 and concluding in Phoenix, Arizona, on November 12. There were also three non-championship events. The USAC National Champion was Jimmy Bryan and the Indianapolis 500 winner was Pat Flaherty. This was the first year that the National Championship was sanctioned by the USAC, after the withdrawal of the AAA from all forms of racing after the 1955 season.
The 1955 AAA Championship Car season consisted of 11 races, beginning in Speedway, Indiana on May 30 and concluding in Phoenix, Arizona on November 6. There was also one non-championship event in Mechanicsburg, Pennsylvania. The AAA National Champion and Indianapolis 500 winner was Bob Sweikert. Manny Ayulo was killed at Indianapolis while practicing for the 1955 Indianapolis 500, and Bill Vukovich, the two-time defending winner, was killed in the race itself. Jack McGrath, the two-time champion, was killed in the final race at Phoenix on lap 85. This was the last year of the AAA National Championship; USAC sanctioned the series starting the next year.
The USAC Stock Car division was the stock car racing class sanctioned by the United States Auto Club (USAC). The division raced nationally; drivers from USAC's open wheel classes like Indy cars, Silver Crown, sprints, and midgets frequently competed in races and won championships. Several NASCAR drivers raced in USAC Stock Cars at various points in their careers.
The 1950 AAA Championship Car season consisted of 13 races, beginning in Speedway, Indiana on May 30 and concluding in Darlington, South Carolina on December 10. There were also two non-championship events. The AAA National Champion was Henry Banks, and the Indianapolis 500 winner was Johnnie Parsons.
The 1947 AAA Championship Car season consisted of 11 races, beginning in Speedway, Indiana, on May 30 and concluding in Arlington, Texas, on November 2. The AAA National Champion was Ted Horn, and the Indianapolis 500 winner was Mauri Rose.
The 1946 AAA Championship Car season was the first season of American Championship car racing following World War II. After four years without automobile racing in the United States, the AAA Contest Board was initially concerned about having enough races, enough entrants, and suitable equipment, to contest season on such short notice for 1946. Even the Indianapolis 500 was in doubt, as the Indianapolis Motor Speedway had been fallen into a terrible state of neglect during the war years.
The 1932 AAA Championship Car season consisted of six races, beginning in Speedway, Indiana on May 30 and concluding in San Leandro, California on November 13. The AAA National Champion was Bob Carey and the Indianapolis 500 winner was Fred Frame.
The 1930 AAA Championship Car season consisted of eight races, beginning in Langhorne, Pennsylvania on May 3 and concluding in Syracuse, New York on September 6. The AAA National Champion and Indianapolis 500 winner was Billy Arnold.
