CanAm
Encyclopedia
The Canadian-American Challenge Cup or Can-Am, was an SCCA
Sports Car Club of America
The Sports Car Club of America is a club and sanctioning body supporting road racing, rallying, and autocross in the United States. Formed in 1944, it runs many programs for both amateur and professional racers.-History:...

/CASC sports car racing
Sports car racing
Sports car racing is a form of circuit auto racing with automobiles that have two seats and enclosed wheels. They may be purpose-built or related to road-going sports cars....

 series from 1966 to 1986.

History

Can-Am started out as a race series for Group 7 sports racers with two races in Canada (Can) and four races in the United States of America (Am). The series was initially sponsored by Johnson Wax
S. C. Johnson & Son
S.C. Johnson & Son, Inc. , previously known as S. C. Johnson Wax , is a privately held, global manufacturer of household cleaning supplies and other consumer chemicals based in Racine, Wisconsin. It has operations in 72 countries and its brands are sold in over 110...

. The Series was governed by rules called out under the FIA Group 7 category with unrestricted engine capacity and few other technical restrictions.

The Group 7 category was essentially a formule libre for sports cars; the regulations were minimal and permitted unlimited engine sizes (and allowed turbocharging and supercharging), virtually unrestricted aerodynamics, and were as close as any major international racing series ever got to anything goes. As long as the car had two seats and bodywork enclosing the wheels, and met basic safety standards, it was legal. Group 7 had arisen as a category for non-homologated sports car 'specials' in Europe and for a while in the 1960s Group 7 racing was popular in the United Kingdom as well as a class in hillclimb
Hillclimbing
Hillclimbing is a branch of motorsport in which drivers compete against the clock to complete an uphill course....

 racing in Europe. Group 7 cars were designed more for short-distance sprints than for endurance racing. Some Group 7 cars were also built in Japan by Nissan and Toyota, but these did not compete outside their homeland (though some of the Can-Am competitors went over to race against them occasionally).

SCCA sports car racing was becoming more popular with European constructors and drivers, and the United States Road Racing Championship
United States Road Racing Championship
The United States Road Racing Championship was created by the Sports Car Club of America in 1962. It was the first SCCA series for professional racing drivers. SCCA Executive Director John Bishop helped to create the series to recover races that had been taken by rival USAC Road Racing...

 for large-capacity sports racers eventually gave rise to the Group 7 Can-Am series. There was good prize and appearance money and plenty of trade backing; the series was lucrative for its competitors but resulted, by its end, in truly outrageous cars with well over 1000 horsepower
Horsepower
Horsepower is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.Horsepower was originally defined to compare the output of steam engines with the power of draft horses in continuous operation. The unit was widely adopted to measure the...

 (750 kW) (some teams claimed 1500 hp in qualifying trim), wings, active downforce generation, very light weight and unheard of speeds. Similar Group 7 cars ran in the European Interserie
Interserie
Interserie is the name of a European-based motorsport series started in 1970 that allows for a wide variety of racing cars from various eras and series to compete with less limited rules than in other series....

 series, but this was much lower-key than the Can-Am.

On-track, the series was initially dominated by Lola, followed by a period in which it became known as the 'Bruce
Bruce McLaren
Bruce Leslie McLaren , born in Auckland, New Zealand, was a race-car designer, driver, engineer and inventor....

 and Denny Show', the works McLaren team dominating until the Porsche 917
Porsche 917
The Porsche 917 is a racecar that gave Porsche its first overall wins at the 24 Hours of Le Mans in 1970 and 1971. Powered by the Type 912 flat-12 engine of 4.5, 4.9, or 5 litres, the 917/30 variant was capable of a 0- time of 2.3 seconds, 0– in 5.3 seconds, and a top speed of over .There are 6...

 was perfected and became almost unbeatable. After Porsche
Porsche
Porsche Automobil Holding SE, usually shortened to Porsche SE a Societas Europaea or European Public Company, is a German based holding company with investments in the automotive industry....

's withdrawal, Shadow dominated the last season before Can-Am faded away to be replaced by Formula 5000
Formula 5000
Formula 5000 was an open wheel, single seater auto-racing formula that ran in different series in various regions around the world from 1968 to 1982. It was originally intended as a low-cost series aimed at open-wheel racing cars that no longer fit into any particular formula...

. Racing was rarely close - one marque was usually dominant - but the noise and spectacle of the cars made the series highly popular.

The energy crisis
1973 oil crisis
The 1973 oil crisis started in October 1973, when the members of Organization of Arab Petroleum Exporting Countries or the OAPEC proclaimed an oil embargo. This was "in response to the U.S. decision to re-supply the Israeli military" during the Yom Kippur war. It lasted until March 1974. With the...

 and the increased cost of competing in Can-Am meant that the series folded after the relatively lacklustre 1974 season; the single seater Formula 5000
Formula 5000
Formula 5000 was an open wheel, single seater auto-racing formula that ran in different series in various regions around the world from 1968 to 1982. It was originally intended as a low-cost series aimed at open-wheel racing cars that no longer fit into any particular formula...

 series became the leading road-racing series in North America and many of the Can-Am drivers and teams continued to race in this. F5000's reign lasted for only two years, with a second generation of Can-Am following. This was a fundamentally different series based initially on converted Formula 5000
Formula 5000
Formula 5000 was an open wheel, single seater auto-racing formula that ran in different series in various regions around the world from 1968 to 1982. It was originally intended as a low-cost series aimed at open-wheel racing cars that no longer fit into any particular formula...

 cars with closed-wheel bodies. There was also a 2L class based on Formula Two
Formula Two
Formula Two, abbreviated to F2, is a type of open wheel formula racing. It was replaced by Formula 3000 in 1985, but the FIA announced in 2008 that Formula Two would return for 2009 in the form of the FIA Formula Two Championship...

 chassis. The second incarnation of Can-Am faded away as IMSA
IMSA
IMSA can refer to:* International Management Systems Association, original name of the International Project Management Association * Illinois Mathematics and Science Academy, a residential magnet school located in Aurora, Illinois...

 and CART
Champ Car
Champ Car was the name for a class and specification of open wheel cars used in American Championship Car Racing for many decades, primarily for use in the Indianapolis 500 auto race...

 racing became more popular in the early 1980s but remained active until 1987.

Can-Am remains a well-remembered form of racing due to its popularity at the time, the spectacular cars and the lineup of talented drivers. Can-Am cars remain popular in historic racing.

Notable drivers

Notable drivers in the original Can-Am series included virtually every acclaimed driver of the late 60s and early 70s. Chris Amon
Chris Amon
Christopher Arthur Amon MBE is a former motor racing driver. He was active in Formula One - racing in the 1960s and 1970s - and is widely regarded to be one of the best F1 drivers never to win a championship Grand Prix...

, Mario Andretti
Mario Andretti
Mario Gabriele Andretti is a retired Italian American world champion racing driver, one of the most successful Americans in the history of the sport. He is one of only two drivers to win races in Formula One, IndyCar, World Sportscar Championship and NASCAR...

, Jack Brabham
Jack Brabham
Sir John Arthur "Jack" Brabham, AO, OBE is an Australian former racing driver who was Formula One champion in , and . He was a founder of the Brabham racing team and race car constructor that bore his name....

, John Cannon, Mark Donohue
Mark Donohue
Mark Neary Donohue, Jr. , nicknamed "Captain Nice", was an American racecar driver known for his ability to set up his own race car as well as driving it to victories. Donohue is probably best known as the driver of the 1500+ bhp “Can-Am Killer” Porsche 917-30 and as the winner of the 1972...

, Vic Elford
Vic Elford
Victor Henry Elford is a former sportscar racing, rallying and Formula One driver from England. He participated in 13 World Championship F1 Grands Prix, debuting on 7 July 1968...

, George Follmer
George Follmer
George Follmer is a retired American race car driver, and one of the most successful road racers of the 1970s. He was born in Phoenix, Arizona....

, Masten Gregory
Masten Gregory
Masten Gregory was a racing driver from the United States. He raced in Formula One between and , participating in 43 World Championship races, and numerous non-Championship races....

, Dan Gurney
Dan Gurney
Daniel Sexton Gurney is an American racing driver, race car constructor, and team owner.The son of a Metropolitan Opera star, he was born in Port Jefferson, New York, but moved to California as a teenager...

, Jim Hall
Jim Hall (race car driver)
Jim Hall is a former racecar driver and constructor from the United States. He competed in Formula One from to , participating in 12 World Championship Grands Prix and numerous non-Championship races....

, Phil Hill
Phil Hill
Philip Toll Hill, Jr., was a United States automobile racer and the only American-born driver to win the Formula One World Drivers' Championship. Hill was described as a "thoughtful, gentle man" and once said, "I'm in the wrong business. I don't want to beat anybody, I don't want to be the big hero...

, Denny Hulme
Denny Hulme
Denis Clive "Denny" Hulme, OBE was a New Zealand racing driver, the 1967 Formula One World Champion for the Brabham team....

, Jacky Ickx
Jacky Ickx
Jacques Bernard "Jacky" Ickx is a Belgian former racing driver who achieved 25 podium finishes in Formula One and six wins in the 24 hours of Le Mans.- Racing career :...

, Parnelli Jones
Parnelli Jones
Rufus Parnell "Parnelli" Jones , is a retired American racing driver and racecar owner. He is most remembered for his 1963 Indianapolis 500 win, and almost winning the 1967 Indy 500 in a turbine car...

, Roger McCluskey
Roger McCluskey
Roger McCluskey was an American race car driver. He was from Tucson, Arizona.He won championship titles in three divisions of USAC -Sprints, Stocks, and Champ Cars. He won the USAC Sprint Car title in 1963 and 1966, the USAC Stock car title in 1969 and 1970. The Champ Car title in 1973...

, Bruce McLaren
Bruce McLaren
Bruce Leslie McLaren , born in Auckland, New Zealand, was a race-car designer, driver, engineer and inventor....

, Paul Newman
Paul Newman
Paul Leonard Newman was an American actor, film director, entrepreneur, humanitarian, professional racing driver and auto racing enthusiast...

, Jackie Oliver
Jackie Oliver
Keith Jack Oliver, better known as Jackie Oliver, is a British former Formula One driver and team-owner from England...

, Sam Posey
Sam Posey
Sam Posey is a retired American racecar driver and sports broadcast journalist.-Driving career:...

, Peter Revson
Peter Revson
Peter Jeffrey Revson was an American race car driver who had successes in Formula One and the Indianapolis 500.-Background:Peter Revson was born in New York City, the son of Julie and Martin Revson....

, Pedro Rodríguez
Pedro Rodriguez (racing driver)
Pedro Rodríguez was a Mexican Grand Prix motor racing driver. He was born in Mexico City and was the older brother of Ricardo Rodríguez.-Career:...

, Swede Savage
Swede Savage
David Earl "Swede" Savage, Jr. was an American race car driver.-Early life:Born in San Bernardino, California, Savage began Soap Box Derby racing at the age of five. He moved up to racing quarter midget cars then at age twelve to Go-Kart racing. By his mid-teens he was racing motorcycles...

, Jo Siffert
Jo Siffert
Joseph Siffert was a Swiss racing driver.Affectionately known as "Seppi" to his family and close friends, Siffert was born in Fribourg, Switzerland, the son of a dairy owner...

, John Cordts
John Cordts
John Cordts was a racing driver from North Bay, Ontario.Cordts participated in one Formula One World Championship Grand Prix, debuting on September 20, 1969. He qualified 19th, but retired his Brabham after 10 laps with an oil leak, while lying 16th...

, David Hobbs, Jackie Stewart
Jackie Stewart
Sir John Young Stewart, OBE , better known as Jackie Stewart, and nicknamed The Flying Scotsman, is a Scottish former racing driver and team owner. He competed in Formula One between 1965 and 1973, winning three World Drivers' Championships. He also competed in Can-Am...

 and John Surtees
John Surtees
John Surtees, OBE is a British former Grand Prix motorcycle road racer and Formula One driver from England. He was 500cc motorcycle World Champion in 1956 and 1958–60, Formula One World Champion in 1964, and remains the only person to have won World Championships on both two and four wheels...

 all drove Can-Am cars at one time or another.

Pioneering Technology

Can-Am was the birth place and proving ground for (what was at the time) outrageous technology. Can-Am cars were among the first race cars to sport wings, effective turbocharging
Turbocharger
A turbocharger, or turbo , from the Greek "τύρβη" is a centrifugal compressor powered by a turbine that is driven by an engine's exhaust gases. Its benefit lies with the compressor increasing the mass of air entering the engine , thereby resulting in greater performance...

, ground-effect aerodynamics, and aerospace materials like titanium. This led to the eventual downfall of the original series when costs got very much out of hand, but during its height Can-Am cars were at the cutting edge of racing technology and were frequently as fast as or even faster around laps of circuits used by both series than their contemporary Formula One
Formula One
Formula One, also known as Formula 1 or F1 and referred to officially as the FIA Formula One World Championship, is the highest class of single seater auto racing sanctioned by the Fédération Internationale de l'Automobile . The "formula" designation in the name refers to a set of rules with which...

 cars. Noted constructors in the Can-Am Series included McLaren, Chaparral, Lola, BRM
British Racing Motors
British Racing Motors was a British Formula One motor racing team. Founded in 1945, it raced from 1950 to 1977, competing in 197 Grands Prix and winning 17. In 1962, BRM won the Constructors' Title. At the same time, its driver, Graham Hill became World Champion...

, Shadow and Porsche
Porsche
Porsche Automobil Holding SE, usually shortened to Porsche SE a Societas Europaea or European Public Company, is a German based holding company with investments in the automotive industry....

.

The manufacturers

McLaren cars were specially designed race cars. The Can-Am cars were developments of the sports cars which were introduced in 1964 for the North American sports car races. The development variants M1A and M1B were raced as factory cars in the 1966 with Bruce McLaren and Chris Amon as drivers. In 1967, specifically for the Can-Am series, the McLaren team introduced a new model, the M6A
McLaren M6A
The McLaren M6A was a race car developed by driver Bruce McLaren and his Bruce McLaren Motor Racing team for their entry in 1967 Can-Am season. As a replacement for the team's M1Bs from 1966, the Chevrolet-powered M6A's improved design earned Bruce McLaren and his team their first of multiple...

. The McLaren M6A also introduced what was to become the trademark orange color for the team. The McLaren team was considered very "multi national" for the times and consisted of team owner and leader Bruce McLaren, fellow New Zealander Chris Amon and another "Kiwi" and the 1967 Formula One World Champion,Denny Hulme, Team Manager Teddy Mayer, Mechanics Tyler Alexander, Gary Knutson, Lee Muir, George Bolthoff, Frank Zimmerman, Tom Anderson and Haig Altoonian (all from the USA), Don Beresford & Alec Greaves(UK),Cary Taylor, Jimmy Stone, Chris Charles, Colin Beanland, Alan McCall and Alistair Caldwell(NZ). The M6 series were a full aluminum monocoque design with no uncommon features but, for the times, there was an uncommon attention to detail in preparation by the team members. The M6 series of cars were powered by smallblock Chevy engines built by Al Bartz Engines in Van Nuys, CA., They were the model of reliability. This was followed in 1968 by the M8A, a new design based around the Chevy Mark IV "big block"
Chevrolet Big-Block engine
The Chevrolet big block is a series of large displacement V8 engines that were developed in the USA during the 1950s and 1960s. As American automobiles grew in size and weight following the Second World War the engines powering them had to keep pace...

 engine as a stressed member of the chassis. McLaren went "in house" with their engine shop in 1969. The M8B, M8C, M8D and M20C were developments of that aluminum monocoque chassis.
McLaren so dominated the 1967-1971 seasons that Can-Am was often called the "Bruce and Denny Show" after the drivers who very often finished 1-2. There was even a 1-2-3 finish at the Michigan International Speedway on September 28, 1969. McLaren 1st, Hulme 2nd, Gurney 3rd. Sadly, 9 months later, Bruce McLaren lost his life on June 2, 1970 at Goodwood
Goodwood Circuit
Goodwood Circuit is an historic venue for both two- and four-wheeled motorsport in the United Kingdom. The 2.4 mile circuit is situated near Chichester, West Sussex, close to the south coast of England, on the estate of Goodwood House, and completely encircles Chichester/Goodwood Airport...

 when the rear bodywork of his prototype M8D detached during testing resulting in a totally uncontrollable car and a fatal high-speed crash. McLaren continued to succeed in Can-Am after Bruce's death with a number of other drivers, but the works Porsche
Porsche
Porsche Automobil Holding SE, usually shortened to Porsche SE a Societas Europaea or European Public Company, is a German based holding company with investments in the automotive industry....

 effort with turbocharged flat-12 engines and a high development budget meant that they could not keep up with the 917. Although private McLarens continued in the series, the works team withdrew to concentrate on Formula One (and USAC, for several years). Team McLaren went on to become a several time F1 champion and is still very much a part of F1.

Jim Hall
Jim Hall (race car driver)
Jim Hall is a former racecar driver and constructor from the United States. He competed in Formula One from to , participating in 12 World Championship Grands Prix and numerous non-Championship races....

's Chaparrals were very innovative, following his success in the United States Road Racing Championship (USRRC).
Jim Hall's 2 series Chaparrals (built and engineered with a high degree of covert support from Chevrolet
Chevrolet
Chevrolet , also known as Chevy , is a brand of vehicle produced by General Motors Company . Founded by Louis Chevrolet and ousted GM founder William C. Durant on November 3, 1911, General Motors acquired Chevrolet in 1918...

's research and development division) were leaders in the application of aerodynamics to racecars culminating with the introduction of the 2E in 1966, the first of the high wing race cars. The 2E was a defining design, and the 2G was a development of that basic design. The FIA banned movable aerodynamic devices and Chaparral responded with the 2H 1969. The 2H broke new ground, seeking to reduce drag but didn't achieve much success. The 2J that followed was perhaps the ultimate example of what Group 7 rules could allow in a racing car. It was a twin-engined car, with the by-then usual big-block Chevrolet engine providing the driving force, and a tiny snowmobile engine powering a pair of fans at the back of the car. These fans, combined with the moveable Lexan
Lexan
Lexan is a registered trademark for SABIC Innovative Plastics' brand of polycarbonate resin thermoplastic. Polycarbonate polymer is produced by reacting bisphenol A with carbonyl dichloride, also known as phosgene. Lexan is the brand name for polycarbonate sheet and resin in a wide range of grades...

 'skirts' around the bottom of the car created a vacuum underneath the car, effectively providing the same level of downforce as the huge wings of previous vehicles, without the drag. Although far too mechanically complex to survive in racing environments, the theory was sound, and would appear in Formula One a few years later, first in Colin Chapman
Colin Chapman
Anthony Colin Bruce Chapman CBE was an influential British designer, inventor, and builder in the automotive industry, and founder of Lotus Cars....

's Lotus
Team Lotus
Team Lotus was the motorsport sister company of English sports car manufacturer Lotus Cars. The team ran cars in many motorsport series including Formula One, Formula Two, Formula Ford, Formula Junior, IndyCar and sports car racing...

 cars, and even more directly in the BT46B
Brabham BT46
The Brabham BT46 was a Formula One racing car, designed by Gordon Murray for the Brabham team, owned by Bernie Ecclestone, for the 1978 Formula One season. The car featured several radical design elements, the most obvious of which was the use of flat panel heat exchangers on the bodywork of the...

 'Fan Car' of 1978.

The Lola T-70, T-160-165, T-220, T-260, and T-310 were campaigned by the factory and various customers, and were primarily Chevy powered. The Lola T-70
Lola T70
The Lola T70 was built for sports car racing, popular in the mid to late 1960s. Developed by Lola Cars in 1965 in Great Britain, the T70 was made for endurance racing...

 driven by John Surtees
John Surtees
John Surtees, OBE is a British former Grand Prix motorcycle road racer and Formula One driver from England. He was 500cc motorcycle World Champion in 1956 and 1958–60, Formula One World Champion in 1964, and remains the only person to have won World Championships on both two and four wheels...

 won the first Can-Am championship in 1966. Lola continued to experiment with new designs versus McLaren
McLaren
McLaren Racing Limited, trading as Vodafone McLaren Mercedes, is a British Formula One team based in Woking, Surrey, United Kingdom. McLaren is best known as a Formula One constructor but has also competed and won in the Indianapolis 500 and Canadian-American Challenge Cup...

 which refined the design each year. The 1971 Lola T-260 had some success with Jackie Stewart
Jackie Stewart
Sir John Young Stewart, OBE , better known as Jackie Stewart, and nicknamed The Flying Scotsman, is a Scottish former racing driver and team owner. He competed in Formula One between 1965 and 1973, winning three World Drivers' Championships. He also competed in Can-Am...

 taking two victories. In 1972 a radical new design, the Lola T-310, made its appearance. The T-310 was the longest and widest Can-Am car of the era versus the short stubby T-260. The T-310 was delivered late and suffered handling problems the entire year with its best finish a fourth at Watkins Glen
Watkins Glen International
Watkins Glen International is an auto race track located near Watkins Glen, New York, at the southern tip of Seneca Lake. The facility is owned by International Speedway Corporation...

.

British-born mechanic and engineer Peter Bryant designed the Ti22 (occasionally known as the Autocoast after one of the team's major backers) as an American-built challenger to the British McLarens and Lolas. The car made extensive use of titanium
Titanium
Titanium is a chemical element with the symbol Ti and atomic number 22. It has a low density and is a strong, lustrous, corrosion-resistant transition metal with a silver color....

 in its chassis and suspension, and Bryant experimented with aerodynamics
Aerodynamics
Aerodynamics is a branch of dynamics concerned with studying the motion of air, particularly when it interacts with a moving object. Aerodynamics is a subfield of fluid dynamics and gas dynamics, with much theory shared between them. Aerodynamics is often used synonymously with gas dynamics, with...

 and with early use of carbon-fibre to reduce weight. Although the car was quick it did not achieve consistent success; problems with the team's funding saw Bryant move on to Don Nichols' UOP
UOP LLC
UOP LLC, formerly known as Universal Oil Products, is a multi-national company developing and delivering technology to the petroleum refining, gas processing, petrochemical production, and major manufacturing industries....

-sponsored Shadow team. The Shadow marque had made its debut with an astonishing car with tiny wheels and radiators mounted on top of the rear wing designed by Trevor Harris; this was unsuccessful, and more conventional cars designed by Bryant replaced them; Bryant was sidelined when Shadow moved into Formula One but after his departure turbocharged Shadow came to dominate as Porsche and McLaren faded from the scene.

The Porsche 908
Porsche 908
The Porsche 908 was a racing car from Porsche, introduced in 1968 to continue the Porsche 906/Porsche 910/Porsche 907 series of models designed under Ferdinand Piech....

spyder was used in Can Am, but was underpowered (350 hp) and mainly used by underfunded teams. It did win the 1970 Road Atlanta
Road Atlanta
Road Atlanta is a 2.54-mile road course located just north of Braselton, Georgia, USA. The facility is utilized for a wide variety of events, including professional and amateur sports car and motorcycle races, racing and driving schools, corporate programs and testing for motorsports teams...

 race though when the more powerful cars fell out. The 917PA, a spyder version of the 917K
Porsche 917
The Porsche 917 is a racecar that gave Porsche its first overall wins at the 24 Hours of Le Mans in 1970 and 1971. Powered by the Type 912 flat-12 engine of 4.5, 4.9, or 5 litres, the 917/30 variant was capable of a 0- time of 2.3 seconds, 0– in 5.3 seconds, and a top speed of over .There are 6...

 Le Mans car, was raced, but its normally aspirated flat-12
Flat-12
A flat-12 is an internal combustion engine in a flat configuration, having 12 cylinders.The flat-12 is wider than a V12...

 was underpowered (530 hp). In 1971 the 917/10 was introduced. This was still not turbocharged, but was lighter and had cleaner body work, and Jo Siffert
Jo Siffert
Joseph Siffert was a Swiss racing driver.Affectionately known as "Seppi" to his family and close friends, Siffert was born in Fribourg, Switzerland, the son of a dairy owner...

 managed to finish fourth in the championship.

For 1972 the 917/10K with a turbo charged 900 horsepower 5 liter flat-12 was introduced. Prepared by Roger Penske
Roger Penske
Roger S. Penske is the owner of the automobile racing team Penske Racing, the Penske Corporation, and other automotive related businesses. A winning racer in the late 1950s, Penske was named 1961's Sports Car Club of America Driver of the Year by Sports Illustrated...

 and driven by Mark Donohue and George Follmer these cars won six of the nine races. In 1972 Porsche introduced an even more powerful car, the 917/30KL. Nicknamed the Turbopanzer this car was truly a monster. With 1100/1580 horsepower (820/1161 kW in race/qualifying spec) on tap from a 5.4 liter flat-12 and only weighing in at 1800 lb (816 kg) with better downforce this car won six of eight races in the 1973 championship
1973 Can-Am season
The 1973 Canadian-American Challenge Cup season was the eighth season of the Can-Am auto racing series. It consisted of FIA Group 7 racing cars running two-hour sprint events. It began June 10, 1973 and ended October 28, 1973 after eight rounds.-Schedule:...

 . The Porsche dominance was such that engine rules were changed to try to reduce the dominance of one marque by enforcing a fuel-consumption rule for 1974. This kind of alteration of rules to promote equality is not unknown in other forms of American motorsport. In 1975, after the demise of the category for which the car had been created, Mark Donohue drove this car to a closed course world speed record of 221 mph (356 km/h) at the Talladega Superspeedway
Talladega Superspeedway
Talladega Superspeedway is a motorsports complex located north of Talladega, Alabama, United States. It is located on the former Anniston Air Force Base just outside the small city of Lincoln. It was constructed by International Speedway Corporation, a business controlled by the France Family, in...

 (then called the Alabama International Motor Speedway). It was capable of over 250 mph (402 km/h) on the straights.

These marques dominated the series for most of its existence; other vehicles occasionally appeared but were essentially making up the numbers. Well-established European manufacturers like Ferrari
Scuderia Ferrari
Scuderia Ferrari is the racing team division of the Ferrari automobile marque. The team currently only races in Formula One but has competed in numerous classes of motorsport since its formation in 1929, including sportscar racing....

 and BRM
British Racing Motors
British Racing Motors was a British Formula One motor racing team. Founded in 1945, it raced from 1950 to 1977, competing in 197 Grands Prix and winning 17. In 1962, BRM won the Constructors' Title. At the same time, its driver, Graham Hill became World Champion...

 appeared at various times with little success, March
March Engineering
March Engineering was a Formula One constructor and manufacturer of customer racing cars from the United Kingdom. Although only moderately successful in Grand Prix competition, March racing cars enjoyed much better achievement in other categories of competition including Formula Two, Formula Three,...

 tried to get a share of the lucrative market in 1970-1 but couldn't establish themselves, and Ford
Ford Motor Company
Ford Motor Company is an American multinational automaker based in Dearborn, Michigan, a suburb of Detroit. The automaker was founded by Henry Ford and incorporated on June 16, 1903. In addition to the Ford and Lincoln brands, Ford also owns a small stake in Mazda in Japan and Aston Martin in the UK...

 flitted across the scene with a number of unsuccessful cars based on the GT40 and its successors. Americam specialist marques like McKee and Caldwell competed, alongside real exotica like the astonishing four-engined Macs-It special.

Decline and revival

1974 was the last year for the original Can-Am championship. Spiraling costs, a recession in North America following the oil crisis
1973 oil crisis
The 1973 oil crisis started in October 1973, when the members of Organization of Arab Petroleum Exporting Countries or the OAPEC proclaimed an oil embargo. This was "in response to the U.S. decision to re-supply the Israeli military" during the Yom Kippur war. It lasted until March 1974. With the...

, and dwindling support and interest led to the series being cancelled and the last scheduled race of the 1974 season not being run. The Can-Am name still held enough drawing power to lead SCCA to introduce a revised Can-Am series in 1977 based on a closed-wheel version of the rules of the recently canceled Formula A/5000 series. This grew steadily in status, particularly during the USAC/CART wars of the late 70s and early 80s, and attracted some top road-racing teams and drivers and a range of vehicles including specials based on rebodied single seaters (particularly Lola F5000s) and also bespoke cars from constructors like March as well as smaller manufacturers. To broaden the appeal of the series a 2L class was introduced for the last several years - cars often being derived from F2/Formula Atlantic. The series peaked in the early 80s but as the CART Indycar
Champ Car
Champ Car was the name for a class and specification of open wheel cars used in American Championship Car Racing for many decades, primarily for use in the Indianapolis 500 auto race...

 series and IMSA
International Motor Sports Association
The International Motor Sports Association is an American sports car auto racing sanctioning body based in Braselton, Georgia. It was started by John Bishop, a former employee of SCCA , and his wife Peggy in 1969 with help from Bill France, Sr...

's GTP championship
IMSA GT Championship
IMSA GT was a sports car racing series organized by International Motor Sports Association. Races took place primarily in the United States and occasionally in Canada.-History:...

 grew in stature it faded away and was gone by 1986.

The name was once again revived in 1998, when the United States Road Racing Championship
United States Road Racing Championship
The United States Road Racing Championship was created by the Sports Car Club of America in 1962. It was the first SCCA series for professional racing drivers. SCCA Executive Director John Bishop helped to create the series to recover races that had been taken by rival USAC Road Racing...

 broke away from IMSA. Their top prototype class was named Can-Am, but the series would fold before the end of 1999 before being replaced by the Grand American Road Racing Championship. The Can-Am name would not be retained in the new series.

Eventually, the GTPs would evolve into Le Mans Prototype
Le Mans Prototype
A Le Mans Prototype is a type of sports prototype race car most notably used in the 24 Hours of Le Mans, American Le Mans Series and Le Mans Series...

s, the top class of the American Le Mans Series
American Le Mans Series
The American Le Mans Series presented by Tequila Patrón is a sports car racing series based in the United States and Canada. It consists of a series of endurance and sprint races, and was created in the spirit of the 24 Hours of Le Mans. Teams compete in one of five classes: LMP1, LMP2 and LMPC...

. While significantly different from Can Am series vehicles, LMPs provide a high performance prototype pioneering new technologies, but limited compared to their spiritual predecessors of Can-Am by regulations in the name of cost control and safety. From 2004-09, the LMPs would be divided into the under 6000cc LMP1 class and the under 4000cc LMP2 class, comparable to the Can Am Series' 5000cc maximum.

Champions

Year Driver Team Car
1966
1966 Can-Am season
The 1966 Canadian-American Challenge Cup season was the inaugural season of the Can-Am auto racing series. It was for FIA Group 7 racing cars running two-hour sprint events. It began September 11, 1966 and ended November 13, 1966 after six rounds.-Schedule:...

John Surtees
John Surtees
John Surtees, OBE is a British former Grand Prix motorcycle road racer and Formula One driver from England. He was 500cc motorcycle World Champion in 1956 and 1958–60, Formula One World Champion in 1964, and remains the only person to have won World Championships on both two and four wheels...

Team Surtees
Surtees
The Surtees Racing Organisation was a race team that spent nine seasons as a constructor in Formula One, Formula 2, and Formula 5000.-History:...

Lola T70
Lola T70
The Lola T70 was built for sports car racing, popular in the mid to late 1960s. Developed by Lola Cars in 1965 in Great Britain, the T70 was made for endurance racing...

-Chevrolet
Chevrolet
Chevrolet , also known as Chevy , is a brand of vehicle produced by General Motors Company . Founded by Louis Chevrolet and ousted GM founder William C. Durant on November 3, 1911, General Motors acquired Chevrolet in 1918...

1967
1967 Can-Am season
The 1967 Canadian-American Challenge Cup season was the second season of the Can-Am auto racing series. It involved FIA Group 7 racing cars running two-hour sprint events. It began September 3, 1967 and ended November 12, 1967 after six rounds.-Schedule:...

  Bruce McLaren
Bruce McLaren
Bruce Leslie McLaren , born in Auckland, New Zealand, was a race-car designer, driver, engineer and inventor....

Bruce McLaren Motor Racing
McLaren
McLaren Racing Limited, trading as Vodafone McLaren Mercedes, is a British Formula One team based in Woking, Surrey, United Kingdom. McLaren is best known as a Formula One constructor but has also competed and won in the Indianapolis 500 and Canadian-American Challenge Cup...

McLaren M6A
McLaren M6A
The McLaren M6A was a race car developed by driver Bruce McLaren and his Bruce McLaren Motor Racing team for their entry in 1967 Can-Am season. As a replacement for the team's M1Bs from 1966, the Chevrolet-powered M6A's improved design earned Bruce McLaren and his team their first of multiple...

-Chevrolet
1968
1968 Can-Am season
The 1968 Canadian-American Challenge Cup season was the third season of the Can-Am auto racing series. It consisted of FIA Group 7 racing cars running two-hour sprint events. It began September 1, 1968 and ended November 10, 1968 after six rounds.-Schedule:...

  Denny Hulme
Denny Hulme
Denis Clive "Denny" Hulme, OBE was a New Zealand racing driver, the 1967 Formula One World Champion for the Brabham team....

Bruce McLaren Motor Racing
McLaren
McLaren Racing Limited, trading as Vodafone McLaren Mercedes, is a British Formula One team based in Woking, Surrey, United Kingdom. McLaren is best known as a Formula One constructor but has also competed and won in the Indianapolis 500 and Canadian-American Challenge Cup...

McLaren M8A-Chevrolet
1969
1969 Can-Am season
The 1969 Canadian-American Challenge Cup season was the fourth season of the Can-Am auto racing series. It consisted of FIA Group 7 racing cars running two-hour sprint events. It began June 1, 1969 and ended November 9, 1969 after eleven rounds....

  Bruce McLaren
Bruce McLaren
Bruce Leslie McLaren , born in Auckland, New Zealand, was a race-car designer, driver, engineer and inventor....

Bruce McLaren Motor Racing
McLaren
McLaren Racing Limited, trading as Vodafone McLaren Mercedes, is a British Formula One team based in Woking, Surrey, United Kingdom. McLaren is best known as a Formula One constructor but has also competed and won in the Indianapolis 500 and Canadian-American Challenge Cup...

McLaren M8B-Chevrolet
1970
1970 Can-Am season
The 1970 Canadian-American Challenge Cup season was the fifth season of the Can-Am auto racing series. It consisted of FIA Group 7 racing cars running two-hour sprint events. It began June 14, 1970 and ended November 1, 1970 after ten rounds....

  Denny Hulme
Denny Hulme
Denis Clive "Denny" Hulme, OBE was a New Zealand racing driver, the 1967 Formula One World Champion for the Brabham team....

Bruce McLaren Motor Racing
McLaren
McLaren Racing Limited, trading as Vodafone McLaren Mercedes, is a British Formula One team based in Woking, Surrey, United Kingdom. McLaren is best known as a Formula One constructor but has also competed and won in the Indianapolis 500 and Canadian-American Challenge Cup...

McLaren M8D-Chevrolet
1971
1971 Can-Am season
The 1971 Canadian-American Challenge Cup season was the sixth season of the Can-Am auto racing series. It consisted of FIA Group 7 racing cars running two-hour sprint events. It began June 13, 1971 and ended October 31, 1971 after ten rounds.-Schedule:...

  Peter Revson
Peter Revson
Peter Jeffrey Revson was an American race car driver who had successes in Formula One and the Indianapolis 500.-Background:Peter Revson was born in New York City, the son of Julie and Martin Revson....

Bruce McLaren Motor Racing
McLaren
McLaren Racing Limited, trading as Vodafone McLaren Mercedes, is a British Formula One team based in Woking, Surrey, United Kingdom. McLaren is best known as a Formula One constructor but has also competed and won in the Indianapolis 500 and Canadian-American Challenge Cup...

McLaren M8F-Chevrolet
1972
1972 Can-Am season
The 1972 Canadian-American Challenge Cup season was the seventh season of the Can-Am auto racing series. It consisted of FIA Group 7 racing cars running two-hour sprint events...

  George Follmer
George Follmer
George Follmer is a retired American race car driver, and one of the most successful road racers of the 1970s. He was born in Phoenix, Arizona....

  Penske Racing
Penske Racing
Penske Racing is a racing team that competes in the IndyCar Series and NASCAR. They also previously competed in road racing, and Formula One. Penske Racing is a division of Penske Corporation, and is owned and chaired by Roger Penske...

Porsche 917
Porsche 917
The Porsche 917 is a racecar that gave Porsche its first overall wins at the 24 Hours of Le Mans in 1970 and 1971. Powered by the Type 912 flat-12 engine of 4.5, 4.9, or 5 litres, the 917/30 variant was capable of a 0- time of 2.3 seconds, 0– in 5.3 seconds, and a top speed of over .There are 6...

/10
1973
1973 Can-Am season
The 1973 Canadian-American Challenge Cup season was the eighth season of the Can-Am auto racing series. It consisted of FIA Group 7 racing cars running two-hour sprint events. It began June 10, 1973 and ended October 28, 1973 after eight rounds.-Schedule:...

  Mark Donohue
Mark Donohue
Mark Neary Donohue, Jr. , nicknamed "Captain Nice", was an American racecar driver known for his ability to set up his own race car as well as driving it to victories. Donohue is probably best known as the driver of the 1500+ bhp “Can-Am Killer” Porsche 917-30 and as the winner of the 1972...

  Penske Racing
Penske Racing
Penske Racing is a racing team that competes in the IndyCar Series and NASCAR. They also previously competed in road racing, and Formula One. Penske Racing is a division of Penske Corporation, and is owned and chaired by Roger Penske...

Porsche 917
Porsche 917
The Porsche 917 is a racecar that gave Porsche its first overall wins at the 24 Hours of Le Mans in 1970 and 1971. Powered by the Type 912 flat-12 engine of 4.5, 4.9, or 5 litres, the 917/30 variant was capable of a 0- time of 2.3 seconds, 0– in 5.3 seconds, and a top speed of over .There are 6...

/30KL
1974
1974 Can-Am season
The 1974 Canadian-American Challenge Cup season was the ninth and final season of the original Can-Am auto racing series. It consisted of FIA Group 7 racing cars running half hour Sprint races followed by hour long Cup races...

Jackie Oliver
Jackie Oliver
Keith Jack Oliver, better known as Jackie Oliver, is a British former Formula One driver and team-owner from England...

Shadow Racing Cars
Shadow Racing Cars
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 Britain.-1971-1972: Early years in CanAm series:...

Shadow
Shadow Racing Cars
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 Britain.-1971-1972: Early years in CanAm series:...

 DN4A-Chevrolet
1975-6 No series
1977   Patrick Tambay
Patrick Tambay
Patrick Daniel Tambay is a French former racing driver. He competed in 123 Formula One World Championship Grands Prix, winning twice, securing 5 pole positions and scoring a total of 103 Championship points...

  Haas
Carl Haas
Carl A. Haas is an American auto racing impresario. He co-owned the Newman/Haas/Lanigan Racing team in the IndyCar Series with the late Paul Newman and Mike Lanigan. He also owned Carl A...

-Hall
Jim Hall (race car driver)
Jim Hall is a former racecar driver and constructor from the United States. He competed in Formula One from to , participating in 12 World Championship Grands Prix and numerous non-Championship races....

 Racing
Lola T333CS-Chevrolet
1978   Alan Jones   Haas
Carl Haas
Carl A. Haas is an American auto racing impresario. He co-owned the Newman/Haas/Lanigan Racing team in the IndyCar Series with the late Paul Newman and Mike Lanigan. He also owned Carl A...

-Hall
Jim Hall (race car driver)
Jim Hall is a former racecar driver and constructor from the United States. He competed in Formula One from to , participating in 12 World Championship Grands Prix and numerous non-Championship races....

 Racing
Lola T333CS-Chevrolet
1979   Jacky Ickx
Jacky Ickx
Jacques Bernard "Jacky" Ickx is a Belgian former racing driver who achieved 25 podium finishes in Formula One and six wins in the 24 hours of Le Mans.- Racing career :...

  Carl Haas
Carl Haas
Carl A. Haas is an American auto racing impresario. He co-owned the Newman/Haas/Lanigan Racing team in the IndyCar Series with the late Paul Newman and Mike Lanigan. He also owned Carl A...

 Racing
Lola T333CS-Chevrolet
1980   Patrick Tambay
Patrick Tambay
Patrick Daniel Tambay is a French former racing driver. He competed in 123 Formula One World Championship Grands Prix, winning twice, securing 5 pole positions and scoring a total of 103 Championship points...

  Carl Haas
Carl Haas
Carl A. Haas is an American auto racing impresario. He co-owned the Newman/Haas/Lanigan Racing team in the IndyCar Series with the late Paul Newman and Mike Lanigan. He also owned Carl A...

 Racing
Lola T530-Chevrolet
1981   Geoff Brabham
Geoff Brabham
Geoff Brabham is an Australian racing driver. He is the son of three-time Formula One World Champion Jack Brabham. Brabham spent the majority of his racing career in the United States. He raced successfully in CART early in his career. In ten appearances in the Indianapolis 500, with a best result...

  Team VDS Lola T530-Chevrolet / VDS 001-Chevrolet
1982   Al Unser Jr.   Galles Racing
Galles Racing
Galles Racing is a former auto racing team owned by Rick Galles that competed in the CART series, Can-Am and Indy Racing League, winning the 1990 CART Championship and 1992 Indianapolis 500 with driver Al Unser, Jr..-Early years:...

Frissbee GR3-Chevrolet
1983   Jacques Villeneuve
Jacques Villeneuve (elder)
Jacques Villeneuve Sr. also known as Jacquo or Uncle Jacques is a Canadian racer. He is the younger brother of the late Gilles Villeneuve, and uncle to Jacques Villeneuve . He was born in the small town of Berthierville, Quebec, Canada. He is now frequently known as Uncle Jacques because of the...

  Canadian Tire Frissbee GR3-Chevrolet
1984   Michael Roe   Norwood/Walker VDS 002-Chevrolet / VDS 004-Chevrolet
1985   Rick Miaskiewicz
Rick Miaskiewicz
Rick Miaskiewicz is a former American race car driver from Pittsburgh. He won the Can-Am championship in 1985, the series' next to last year of operations and then moved to the CART series for 1986. He competed in five races in a Cosworth powered March chassis. He returned the following year...

  Mosquito Autosport Frissbee GR3-Chevrolet
1986   Horst Kroll   Kroll Racing Frissbee KR3-Chevrolet

Under 2 Litre class champions

Year Driver Team Car
1979   Tim Evans   Diversified Engineering Services Lola T290-Ford
1980   Gary Gove   Pete Lovely
Pete Lovely
Gerard Carlton "Pete" Lovely , was a racecar driver and businessman from the United States. He was born in Livingston, Montana.-Racing career:...

 VW
Ralt RT2
Ralt
RALT was a manufacturer of single-seater racing cars, founded by ex-Jack Brabham associate Ron Tauranac after he sold out his interest in Brabham to Bernie Ecclestone. Ron and his brother had built some specials in Australia in the 1950s under the RALT name...

-Hart
Brian Hart Ltd.
Brian Hart Ltd., also known as Hart and Hart Racing Engines was a motor racing engine manufacturer that participated in 157 Formula One Grands Prix, powering a total of 368 entries....

1981   Jim Trueman
Jim Trueman
James R. Trueman was an American businessperson and automobile racing team owner. His most successful business ventures were Red Roof Inn motels and the Truesports racing team. Bobby Rahal won the 1986 Indianapolis 500 for the team...

  TrueSports
Truesports
Truesports was an automobile racing team founded by Jim Trueman based in Hilliard, Ohio. The team is best known for winning the 1986 Indianapolis 500 and back-to-back CART championships in 1986 and 1987....

Ralt RT2
Ralt
RALT was a manufacturer of single-seater racing cars, founded by ex-Jack Brabham associate Ron Tauranac after he sold out his interest in Brabham to Bernie Ecclestone. Ron and his brother had built some specials in Australia in the 1950s under the RALT name...

-Hart
Brian Hart Ltd.
Brian Hart Ltd., also known as Hart and Hart Racing Engines was a motor racing engine manufacturer that participated in 157 Formula One Grands Prix, powering a total of 368 entries....

1982   Bertil Roos
Bertil Roos
Bertil Roos is a former racing driver from Gothenburg, Sweden. He participated in a single Formula One Grand Prix, his home race in 1974, from which he retired with transmission failure....

  Elite Racing Marquey CA82-Hart
Brian Hart Ltd.
Brian Hart Ltd., also known as Hart and Hart Racing Engines was a motor racing engine manufacturer that participated in 157 Formula One Grands Prix, powering a total of 368 entries....

1983   Bertil Roos
Bertil Roos
Bertil Roos is a former racing driver from Gothenburg, Sweden. He participated in a single Formula One Grand Prix, his home race in 1974, from which he retired with transmission failure....

  Roos Racing School Scandia B3-Hart
Brian Hart Ltd.
Brian Hart Ltd., also known as Hart and Hart Racing Engines was a motor racing engine manufacturer that participated in 157 Formula One Grands Prix, powering a total of 368 entries....

1984   Kim Campbell   Tom Mitchell Racing March 832
March Engineering
March Engineering was a Formula One constructor and manufacturer of customer racing cars from the United Kingdom. Although only moderately successful in Grand Prix competition, March racing cars enjoyed much better achievement in other categories of competition including Formula Two, Formula Three,...

-BMW
BMW
Bayerische Motoren Werke AG is a German automobile, motorcycle and engine manufacturing company founded in 1916. It also owns and produces the Mini marque, and is the parent company of Rolls-Royce Motor Cars. BMW produces motorcycles under BMW Motorrad and Husqvarna brands...

1985   Lou Sell   Sell Racing March 832
March Engineering
March Engineering was a Formula One constructor and manufacturer of customer racing cars from the United Kingdom. Although only moderately successful in Grand Prix competition, March racing cars enjoyed much better achievement in other categories of competition including Formula Two, Formula Three,...

-BMW
BMW
Bayerische Motoren Werke AG is a German automobile, motorcycle and engine manufacturing company founded in 1916. It also owns and produces the Mini marque, and is the parent company of Rolls-Royce Motor Cars. BMW produces motorcycles under BMW Motorrad and Husqvarna brands...


External links

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