Category | Can-Am (Group 7) | ||||
---|---|---|---|---|---|
Constructor | Shadow | ||||
Designer(s) | Tony Southgate | ||||
Predecessor | Shadow DN2 | ||||
Technical specifications | |||||
Chassis | Aluminum fiberglass monocoque | ||||
Suspension (front) | Double wishbone, Coil springs over Damper, Anti-roll bar | ||||
Suspension (rear) | Twin lower links, Single upper links, Twin trailing-arms, Coil springs over Shock absorbers, Anti-roll bar | ||||
Length | 180 in (457.2 cm) | ||||
Width | 80 in (203.2 cm) | ||||
Wheelbase | 105 in (2,667.0 mm) | ||||
Engine | Chevrolet 7,439–8,112 cc (454–495 cu in) V8 engine naturally-aspirated mid-engined | ||||
Transmission | Hewland LG-500 4-speed manual | ||||
Power | 745–850 hp (556–634 kW) | ||||
Weight | 1,860 lb (843.7 kg) | ||||
Tyres | Firestone | ||||
Competition history | |||||
Notable entrants | Phoenix Racing Organizations | ||||
Notable drivers | Jackie Oliver George Follmer | ||||
Debut | 1974 Can-Am Mosport | ||||
| |||||
Teams' Championships | 1: (Phoenix Racing Organizations) | ||||
Constructors' Championships | 1: Shadow | ||||
Drivers' Championships | 1: 1974 Can-Am (Jackie Oliver) |
The Shadow DN4 is a sports prototype race car, built to Group 7 racing specifications, for competition in the Can-Am series, and later the World Sportscar Championship, in 1974 and 1976. Jackie Oliver successfully clinched 1974 Can-Am Championship season in this car, winning 4 out of the 5 races that season. [1] [2] [3] [4] [5] [6] [7]
Denis Clive Hulme, commonly known as Denny Hulme, was a New Zealand racing driver who won the 1967 Formula One World Drivers' Championship for the Brabham team. Between his debut at Monaco in 1965 and his final race in the 1974 US Grand Prix, he started 112 Grand Prix, resulting eight victories and 33 trips to the podium. He also finished third in the overall standing in 1968 and 1972.
Thomas Maldwyn Pryce was a British racing driver from Wales known for winning the Brands Hatch Race of Champions, a non-championship Formula One race, in 1975 and for the circumstances surrounding his death. Pryce is the only Welsh driver to have won a Formula One race and is also the only Welshman to lead a Formula One World Championship Grand Prix: two laps of the 1975 British Grand Prix.
Peter Jeffrey Revson was an American race car driver and heir to the Revlon cosmetics fortune. He was a two-time Formula One race winner and had success at the Indianapolis 500.
Jean-Pierre Jacques Jarier is a French former Grand Prix racing driver. He drove for Formula One teams including Shadow, Team Lotus, Ligier, Osella and Tyrrell Racing. His best finish was third and he also took three pole positions.
Keith Jack "Jackie" Oliver is a British former Formula One driver and team-owner from England. He became known as the founder of the Arrows team as well as a racing driver, although during his driving career he won both the 24 Hours of Le Mans race and the Can-Am championship.
George Follmer is an American former auto racing driver, and one of the most successful road racers of the 1970s. He was born in Phoenix, Arizona. His family moved to California when he was just an infant.
Mark Neary Donohue Jr., nicknamed "Captain Nice," and later "Dark Monohue," was an American race car driver and engineer known for his ability to set up his own race car as well as driving it to victories.
Shadow Racing Cars was a Formula One and sports car racing team, founded and initially based in the United States although later Formula One operations were run from the British base in Northampton. The team held an American licence from 1973 to 1975 and a British licence from 1976 to 1980, thus becoming the first constructor to officially change its nationality. Their only F1 victory, at the 1977 Austrian Grand Prix, was achieved as a British team.
David Paul Kennedy is a former racing driver from the Republic of Ireland. He was one of his country's first Grand Prix drivers, and is widely seen as having helped pioneer the Irish move into international racing.
The Canadian-American Challenge Cup, or Can-Am, was an SCCA/CASC sports car racing series from 1966 to 1987.
Team Penske is an American professional auto racing organization, competing in the IndyCar Series, NASCAR Cup Series, IMSA SportsCar Championship and FIA World Endurance Championship. Debuting at the 1966 24 Hours of Daytona, the organization has also competed in various other types of professional racing such as Formula One, Can-Am, Trans Am, FIA World Endurance Championship and Australian Supercars. Altogether, Team Penske has earned over 500 victories and over 40 championships in all of auto racing. Team Penske is a division of Penske Corporation, and is owned and chaired by Roger Penske. The team president is Tim Cindric.
The Arrows A1 was the car with which Arrows Grand Prix International competed in the 1978 and 1979 Formula One seasons. It replaced the Arrows FA1, which was banned by the London High Court on 31 July 1978 after a legal protest from the Shadow team on the grounds that it was a carbon-copy of the Shadow DN9. Arrows anticipated that they would lose against Shadow and designed and built the A1 in under 60 days whilst the court case was being heard. Hence Arrows were able to present the Arrows A1 to the press just three days after the court case ended and did not miss any races.
Tony Southgate is a British engineer and former racing car designer. He designed many successful cars, including Jaguar's Le Mans-winning XJR-9, and cars for almost every type of circuit racing. He was responsible for the chassis design of Ford's RS200 Group B rally car. Southgate was employed as chief designer or technical director for many Formula One teams for over twenty years. These teams included BRM, Shadow and Arrows. Southgate retired after producing the Audi R8C, which was a major influence in the Bentley Speed 8, which won Le Mans in 2003. He continues to be a regular visitor to current and historic race meetings.
The Shadow DN1 was a Formula One car used by the Shadow team during the 1973 Formula One season and the early stages of the following season. The car was the first Formula One car for Shadow, which had previously participated in the CanAm Sportscar Series. It was designed by former BRM engineer Tony Southgate. The DN1 was also driven by Graham Hill for his privateer team, Embassy Hill.
The Shadow DN3 was a Formula One car used by the Shadow team during the 1974 Formula One season. It also appeared twice during the early stages of the 1975 Formula One season in an updated DN3B form. Designed by former BRM engineer Tony Southgate, the best finish achieved in a DN3 was Jean-Pierre Jarier's third place at the Monaco Grand Prix.
The 1975 SCCA/USAC Formula 5000 Championship was the ninth running of the Sports Car Club of America's professional open wheel automobile racing series and the second to be sanctioned jointly by the Sports Car Club of America and the United States Automobile Club. The championship was open to cars complying with the SCCA's 5 litre American stock block engine specifications and to cars complying with the USAC's 161 cid turbocharged, 255 cid DOHC or 320 cid stock block engine regulations.
The Matra Company's racing team, under the names of Matra Sports, Equipe Matra Elf and Equipe Matra Sports, was formed in 1965 and based at Champagne-sur-Seine (1965–1967), Romorantin-Lanthenay (1967–1969) and Vélizy-Villacoublay (1969–1979). In 1979 the team was taken over by Peugeot and renamed as Automobiles Talbot.
The Shadow DN2, also known as the Shadow Mk.III, is a purpose-built sports prototype race car, designed, developed and built by Shadow Racing Cars to Group 7 racing specifications, to compete in the Can-Am racing series, in 1972 and 1973. It was powered by an extremely powerful Chevrolet big-block engine, developing between 800–1,200 hp (600–890 kW), depending on boost pressure levels, and generating an asphalt-shredding 985 lb⋅ft (1,335 N⋅m) of torque The turbocharged system was used for three races, then the team switched back to a naturally aspirated engine, still producing 735 hp (548 kW); which was more than enough to get the job done.
The Shadow DN6 was a race car designed and built by Shadow Racing Cars for Formula 5000 racing in 1975, and competed until 1976, when the SCCA Continental Championship dissolved. It was driven by Jackie Oliver, who only managed to win one race with it, at Road America in 1976. The DN6, was powered by both a 5.0-liter Chevrolet V8 engine, but also later used a Dodge 305 cu in (5.00 L) small-block engine.