1973 USAC Championship Car Season
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1973 USAC Championship Car Season
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. In this tragic season, two drivers were killed at the Indianapolis Motor Speedway. Art Pollard died in an accident while practicing for the Indy 500 while Swede Savage, who crashed during the race, died by complications one month later. Another driver, Salt Walther, suffered serious burns surviving a crash at the start of the race. In response to those accidents, USAC revised the rules in time for the Pocono 500. The rear wing ...
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1973 In Sports
1973 in sports describes the year's events in world sport. Alpine skiing * Alpine Skiing World Cup ** Men's overall season champion: Gustav Thöni, Italy ** Women's overall season champion: Annemarie Pröll, Austria American football * January 14 − Super Bowl VII: the Miami Dolphins (AFC) won 14–7 over the Washington Redskins (NFC) to complete the only perfect (unbeaten and untied) season in the history of the NFL ** Location: Los Angeles Memorial Coliseum ** Attendance: 90,182 ** MVP: Jake Scott, FS (Miami) * Rose Bowl (1972 season): ** The Southern California Trojans won 42–17 over the Ohio State Buckeyes to win college football national championship * O. J. Simpson becomes the first player in NFL history to rush for more than 2,000 yards in a single season. Association football * Brazil – Palmeiras wins the Campeonato Brasileiro * England – FA Cup – Sunderland wins 1–0 over Leeds United * 1 January 1973, Edinburgh, Scotland, Edinburgh Derby between Heart ...
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Salt Walther
David "Salt" Walther (November 22, 1947 – December 27, 2012) was a driver in the USAC and CART Championship Car series. He also drove NASCAR stock cars and unlimited hydroplane boats, and was a car owner in USAC. Walther is best remembered for a crash at the start of the 1973 Indianapolis 500 that left him critically injured. He recovered from his injuries, returned in 1974, and placed 9th in the 1976 race. He also co-drove a car with Bob Harkey to 10th place in 1975. He was the son of George Walther Jr., owner of Dayton Steel Foundry, who fielded Indy 500 cars for Juan Manuel Fangio in 1958 and Mike Magill in 1959. His German-born grandfather George Walther Sr. established the foundry and was a prominent inventor and industrialist. His brother, George "Skipp" Walther III, was fatally injured while trying to qualify as an Unlimited driver at Miami Marine Stadium, in 1974. David Walther was given the nickname "Salt" during his teen years, owing to his boat racing. He is ...
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Milwaukee 225
The ABC Supply Wisconsin 250 at Milwaukee IndyFest Presented by the Metro Milwaukee Honda Dealers was an IndyCar Series race held at the Milwaukee Mile in West Allis, Wisconsin. History Open wheel racing at the track dates back to 1937. AAA sanctioned races in 1937–1939, 1941, and 1946–1955. The track was paved in 1954. USAC sanctioned Championship car races from 1956 to 1979. In 1980, the race switched to a CART/Champ Car race, and continued through 2006. IndyCar started holding races at the track in 2004, and thus for a brief time from 2004 to 2006, the track hosted both a Champ Car race (June) and an IndyCar race (August). Starting in 2007, IndyCar became the lone event. The race was put on hiatus for 2010, stemming from management difficulties regarding payment of sanctioning fees. In 2011, the race returned and continued to be held through 2015. After the 2011 race the promoter withdrew due to losses and the race was again at risk of cancellation. Michael Andretti ...
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Johnny Rutherford (driver)
John Sherman "Johnny" Rutherford III (born March 12, 1938), also known as "Lone Star JR", is an American former automobile racing driver. During an Indy Car career that spanned more than three decades, he scored 27 wins and 23 pole positions in 314 starts. He became one of ten drivers to win the Indianapolis 500 at least three times, winning in 1974, 1976, and 1980. He also won the CART championship in 1980. Rutherford began racing modified stock cars in 1959 and he also dabbled in stock car racing, making 35 NASCAR Cup Series starts from 1963 to 1988. Rutherford won in his first start, at Daytona International Speedway driving for Smokey Yunick. This made him one of the youngest drivers ever to win in NASCAR history, in a full points-paying NASCAR race. Racing career In 1959, Rutherford started driving modified stock cars in Dallas. He joined the International Motor Contest Association sprint car circuit in 1961 leading it for most of 1962. Rutherford later joined the United ...
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Indiana
Indiana () is a U.S. state in the Midwestern United States. It is the 38th-largest by area and the 17th-most populous of the 50 States. Its capital and largest city is Indianapolis. Indiana was admitted to the United States as the 19th state on December 11, 1816. It is bordered by Lake Michigan to the northwest, Michigan to the north, Ohio to the east, the Ohio River and Kentucky to the south and southeast, and the Wabash River and Illinois to the west. Various indigenous peoples inhabited what would become Indiana for thousands of years, some of whom the U.S. government expelled between 1800 and 1836. Indiana received its name because the state was largely possessed by native tribes even after it was granted statehood. Since then, settlement patterns in Indiana have reflected regional cultural segmentation present in the Eastern United States; the state's northernmost tier was settled primarily by people from New England and New York, Central Indiana by migrants fro ...
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Speedway, Indiana
Speedway is a town in Wayne Township, Marion County, Indiana, United States. The population was 11,812 at the 2010 U.S. Census. Speedway, which is an enclave of Indianapolis, is the home of the Indianapolis Motor Speedway. History Speedway was laid out in 1912 as a residential suburb. It took its name from the Indianapolis Motor Speedway. It is an early example of a residential community planned for the industrial plants located nearby. Carl G. Fisher, James A. Allison, Frank Wheeler, and Arthur Newby, founders of the Indianapolis Motor Speedway, planned the suburb of Speedway west of the track. Fisher and Allison owned plants that needed workers, the Prest-O-Lite factory and Allison Engine Company. The investors' goal was to create a city without horses, where residents would drive automobiles, as well as participate in creating mechanical parts for new modes of transportation. The Speedway Historic District was listed on the National Register of Historic Places in 2005. Geo ...
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Mario Andretti
Mario Gabriele Andretti (born February 28, 1940) is an Italian-born American former racing driver. One of the most successful drivers in the history of motorsports, Andretti is one of only two drivers to have won races in Formula One, IndyCar, the World Sportscar Championship, and NASCAR (the other being Dan Gurney). He has also won races in midget car racing and sprint car racing. During his career, Andretti won the 1978 Formula One World Championship, four IndyCar titles (three under USAC sanctioning, and one in CART), and IROC VI. To date, he remains the only driver ever to win the Indianapolis 500 ( 1969), Daytona 500 ( 1967) and the Formula One World Championship, and, along with Juan Pablo Montoya, the only driver to have won a race in the NASCAR Cup Series, Formula One, and an Indianapolis 500. As of 2021, Andretti's victory at the 1978 Dutch Grand Prix is the last Formula One win by an American driver. Andretti had 109 career wins on major circuits. Andretti had a long ...
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New Jersey
New Jersey is a state in the Mid-Atlantic and Northeastern regions of the United States. It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delaware River and Pennsylvania; and on the southwest by Delaware Bay and the state of Delaware. At , New Jersey is the fifth-smallest state in land area; but with close to 9.3 million residents, it ranks 11th in population and first in population density. The state capital is Trenton, and the most populous city is Newark. With the exception of Warren County, all of the state's 21 counties lie within the combined statistical areas of New York City or Philadelphia. New Jersey was first inhabited by Native Americans for at least 2,800 years, with the Lenape being the dominant group when Europeans arrived in the early 17th century. Dutch and Swedish colonists founded the first European settlements in the state. The British later seized control o ...
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Trenton, New Jersey
Trenton is the capital city of the U.S. state of New Jersey and the county seat of Mercer County. It was the capital of the United States from November 1 to December 24, 1784.New Jersey County Map
New Jersey Department of State. Accessed July 10, 2017.
The city's metropolitan area, including all of Mercer County, is grouped with the New York combined statistical area by the

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Trenton Speedway
Trenton Speedway was a racing facility located near Trenton, New Jersey at the New Jersey State Fairgrounds. Races for the United States' premier open-wheel and full-bodied racing series of the times were held at Trenton Speedway. Racing history The first race at the Fairgrounds was held on September 24, 1900, but there was no further racing there until 1907. Regular racing began in 1912 and continued until 1941. A new 1 mile dirt oval was opened in 1946. In 1957 the track was paved. It operated in that configuration until 1968 when the track was expanded to 1.5 miles (2.41 km) and a "kidney bean" shape with a 20° right-hand dogleg on the back stretch and a wider turn 3 & 4 complex than turns 1 & 2. The track closed in 1980 and the Fairgrounds itself closed 3 years later. The former site of the speedway is now occupied by the Grounds for Sculpture, a UPS shipping facility, and the housing development known as "Hamilton Lakes". Champ Car at Trenton Speedway Trenton was a lo ...
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Al Unser
Alfred Unser (May 29, 1939 – December 9, 2021) was an American automobile racing driver, the younger brother of fellow racing drivers Jerry and Bobby Unser, and father of Al Unser Jr. He was the second of four men ( A. J. Foyt, himself, Rick Mears and Hélio Castroneves) to have won the Indianapolis 500 four times (1970, 1971, 1978, 1987), the fourth of five to have won the race in consecutive years, and won the National Championship in 1970, 1983, and 1985. The Unser family has won the Indy 500 a record nine times. He was the only person to have both a sibling (Bobby) and child (Al Jr.) as fellow Indy 500 winners. Al's nephews Johnny and Robby Unser have also competed in that race. In 1971, he became the only driver to date to win the race on his birthday (his 32nd). After his son Al Unser Jr. joined the national championship circuit in 1983, Unser was generally known by the retronyms "Al Unser Sr." or "Big Al." Personal life Unser was born in Albuquerque, New Mexico, ...
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Bobby Unser
Robert William Unser (February 20, 1934 – May 2, 2021) was an American automobile racer. At his induction into the Motorsports Hall of Fame of America in 1994, he had the fourth most IndyCar Series wins at 35 (behind his brother Al, A. J. Foyt, and Mario Andretti). Unser won the 1968 and 1974 United States Automobile Club (USAC) national championships. He won the Pikes Peak International Hill Climb overall title 10 times (13 times when class wins are included). He was the brother of Al, Jerry Unser and Louis Unser, the father of Robby Unser and the uncle of Al Unser Jr. and Johnny Unser. The Unser family has won the Indianapolis 500 a record nine times, with Bobby and Al Unser Sr. being the only set of brothers to win in the race's history. Bobby Unser was one of ten drivers to have won the 500 three or more times and the first of two (followed by Rick Mears) to have won in three decades (1968, 1975, 1981). Early life Unser was born in Colorado Springs, Colorado, the son o ...
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