Cosworth is a British automotive engineering company founded in London in 1958, specialising in high-performance internal combustion engines, powertrain, and electronics for automobile racing (motorsport) and mainstream automotive industries. Cosworth is based in Northampton, England, with facilities in Cottenham, England, Silverstone, England, and Indianapolis, IN, US.
Lotus Group is a British multinational automotive manufacturer of luxury sports cars and electric vehicles.
Mario Gabriele Andretti is an American former racing driver and businessman, who competed in Formula One from 1968 to 1982, and IndyCar from 1964 to 1994. Andretti won the Formula One World Drivers' Championship in 1978 with Lotus, and won 12 Grands Prix across 14 seasons. In American open-wheel racing, Andretti won four IndyCar National Championship titles and the Indianapolis 500 in 1969; in stock car racing, he won the Daytona 500 in 1967. In endurance racing, Andretti is a three-time winner of the 12 Hours of Sebring.
Harry Ferguson Research Limited was a British company founded by Harry Ferguson who was mostly known as "the father of the modern farm tractor". He was also a pioneer aviator, becoming one of the first to build and fly his own aeroplane in Ireland, and also went on to develop four-wheel drive systems for cars including pioneering their use in Formula One racing cars. The company was based in Siskin Drive, in Coventry, England.
The DFV is an internal combustion engine that was originally produced by Cosworth for Formula One motor racing. The name is an abbreviation of Double Four Valve, the engine being a V8 development of the earlier four-cylinder FVA, which had four valves per cylinder.
The 1971 Formula One season was the 25th season of the Fédération Internationale de l'Automobile's Formula One motor racing. It featured the 22nd World Championship of Drivers, the 14th International Cup for F1 Manufacturers and a number of non-championship races open to Formula One cars. The World Championship was contested over eleven races between 6 March and 3 October.
Vel's Parnelli Jones Racing, commonly referred to simply as Parnelli or VPJ, was a motor racing constructor and team from the United States. The team was formed in 1969 by former USAC racer Parnelli Jones and his business partner Velko "Vel" Miletich. Parnelli was initially solely concerned with USAC racing, where success came quickly; their driver Al Unser won the Indianapolis 500 race in 1970, driving a VPJ Colt, after leading 190 of the 200 racing laps. Unser went on to win the USAC championship. Unser repeated the Indy 500 win in 1971 with a new Colt built without the left side chassis offset that had been made illegal by 1971 rules, ending the season in fourth place in the USAC drivers points while teammate Joe Leonard won the championship.
Rufus Parnell "Parnelli" Jones was an American professional racing driver and racing team owner. He is notable for his accomplishments while competing in the Indianapolis 500 and the Baja 1000 desert race, and the Trans-Am Championship series. In 1962, he became the first driver to qualify over 150 mph (240 km/h). He won the race in 1963, then famously broke down while leading the 1967 race with three laps to go in a turbine car. During his career as an owner, he won the Indy 500 in 1970–1971 with driver Al Unser.
Team Lotus was the motorsport sister company of English sports car manufacturer Lotus Cars. The team ran cars in many motorsport categories including Formula One, Formula Two, Formula Ford, Formula Junior, IndyCar, and sports car racing. More than thirty years after its last race, Team Lotus remained one of the most successful racing teams of all time, winning seven Formula One Constructors' titles, six Drivers' Championships, and the Indianapolis 500 in the United States between 1962 and 1978. Under the direction of founder and chief designer Colin Chapman, Lotus was responsible for many innovative and experimental developments in critical motorsport, in both technical and commercial arenas.
Anthony "Andy" Granatelli was an American businessman, most prominent as the CEO of STP as well as a major figure in automobile racing events.
The 52nd International 500 Mile Sweepstakes was held at the Indianapolis Motor Speedway in Speedway, Indiana on Thursday May 30, 1968. Bobby Unser won the first of his three Indy 500 victories. This was the final Indianapolis 500 to feature a front-engined car in the starting field. Of the 33 cars, 32 were rear-engined machines. Jim Hurtubise's entry, which dropped out after only nine laps, was the last front-engine car to race in the 500. This was also the first 500 won by a turbocharged engine.
The Lotus 56 was a gas turbine-powered four-wheel-driven racing car, designed by Maurice Philippe as Team Lotus's STP-backed entry in the 1968 Indianapolis 500. All three cars entered and retired from the race with Joe Leonard's car expiring while leading just eight laps from the finish.
The 53rd International 500 Mile Sweepstakes was an auto race held at the Indianapolis Motor Speedway in Speedway, Indiana on Friday, May 30, 1969. It was the third round of the 1969 USAC Championship Car season. Polesitter A. J. Foyt led the race in the early stages, looking to become the first four-time winner of the 500. Near the halfway point, however, a lengthy pit stop to repair a broken manifold put him many laps down. Despite a hard-charging run towards the end, he wound up managing only an eighth-place finish, 19 laps down. Lloyd Ruby, a driver with a hard-luck reputation at the Speedway, was leading the race just after the midpoint. During a pit stop, he pulled away with the fueling hose still attached, ripped a hole in the fuel tank, and was out of the race. The incident put Mario Andretti in the lead for rest of the way.
Joseph Paul Leonard was an American professional motorcycle racer and racecar driver.
The Lotus 19 or Monte Carlo is a mid-engine sports-racing car designed by Colin Chapman of Lotus and built from 1960 until 1962.
Four-wheel drive (4WD) has only been tried a handful of times in Formula One. In the World Championship era since 1950, only eight such cars are known to have been built.
The STP-Paxton Turbocar was an American racing car, designed by Ken Wallis as the STP entry in the Indianapolis 500. Parnelli Jones drove it in the 1967 event. After leading for much of the race, a transmission failure with only eight miles left ended the run. It crashed during qualification for the 1968 race; the damage was not fixed and the car ended its career.
The Ford-Cosworth Indy V8 engine is a series of mechanically similar, turbocharged, 2.65-liter V-8 engines, designed and developed by Ford in partnership with Cosworth for use in American open-wheel racing. It was produced for over 30 years and was used in the United States Auto Club (USAC) Championship Car series, CART, and Champ Car World Series between 1976 and 2007. The DFX engine was the Indy car version of the highly successful 3-liter Ford-Cosworth DFV Formula One engine developed by former Lotus engineer Keith Duckworth and Colin Chapman backing from Ford for the Lotus 49 to campaign the 1967 season. This engine had 155 wins between 1967 and 1985 in F1. The DFX variant was initially developed for Indy car use by Parnelli Jones in 1976, with Cosworth soon taking over. This engine won the Indianapolis 500 ten consecutive years from 1978 to 1987, as well as winning all USAC and CART championships between 1977 and 1987. It powered 81 consecutive Indy car victories from 1981 to 1986, with 153 Indy car victories total.
The Ford Indy V8 engine is a V-8 engine, initially specially designed by Ford for Indy car racing, from 1963 onwards, winning the Indy 500 four times as Ford, plus once as Foyt in 1977.
The Brawner Hawk is a series of open-wheel race car chassis designed and developed by automotive mechanic and engineer Clint Brawner for U.S.A.C. Indy car racing, between 1965 and 1969. It successfully won the 1969 Indianapolis 500, driven by Mario Andretti.
Graham Hill 
Jochen Rindt 
Mario Andretti 
