1964 World Sportscar Championship season
Encyclopedia
The 1964 World Sportscar Championship season was the 12th season of FIA 'World Sportscar Championship
' motor racing. It featured the 1964 International Championship for GT Manufacturers which was open to Group 3 GT cars and was contested from February 16, 1964 to October 11, 1964 over a twenty race series. Titles were awarded in three engine capacity divisions:
The season also included the 1964 International Prototype Trophy which was open to Prototype
cars and was contested over four of the twenty championship races. Titles were awarded for:
Note: Some manufacturers (other than the three Division winners) may have been ineligible for championship classification under the minimum race participation regulation.
Note:
Note:
World Sportscar Championship
The World Sportscar Championship was the world series run for sports car racing by the FIA from 1953 to 1992.The championship evolved from a small collection of the most important sportscar, endurance and road racing events in Europe and North America with dozens of gentleman drivers at the grid,...
' motor racing. It featured the 1964 International Championship for GT Manufacturers which was open to Group 3 GT cars and was contested from February 16, 1964 to October 11, 1964 over a twenty race series. Titles were awarded in three engine capacity divisions:
- Division I – Under 1300cc
- Division II – Under 2000cc
- Division III – Over 2000cc
The season also included the 1964 International Prototype Trophy which was open to Prototype
Sports prototype
A sports prototype, also referred to as simply a prototype, is a form of racing car that is used as a top category in sports car racing. These purpose-built racing cars differ from street-legal and production-based racing cars that also compete in sports car racing.Prototype racing cars have...
cars and was contested over four of the twenty championship races. Titles were awarded for:
- Outright
- Under 3000cc
Schedule
The twenty championship races each counted towards one or more of the five FIA Titles, as shown below. A points coefficient multiplication factor was applied for each race to the determine the number of championship points to be awarded.Race | Race name | Circuit or Location | Date | GTI | GTII | GTIII | Prot. | Points Coefficient |
---|---|---|---|---|---|---|---|---|
1 | 2000 km of Daytona | Daytona International Speedway Daytona International Speedway Daytona International Speedway is a race track in Daytona Beach, Florida, United States. Since opening in 1959, it has been the home of the Daytona 500, one of the most prestigious races in NASCAR. In addition to NASCAR, the track also hosts races of ARCA, AMA Superbike, Grand-Am and Motocross... |
February 16 | - | Rd 1 | Rd 1 | - | 1.3 |
2 | 12 Hours of Sebring 12 Hours of Sebring The 12 Hours of Sebring is an annual motorsport endurance race for sports cars held at Sebring International Raceway, a former Army Air Force base in Sebring, Florida... |
Sebring International Raceway | March 21 | Rd 1 | Rd 2 | Rd 2 | Rd 1 | 1.6 |
3 | Targa Florio Targa Florio The Targa Florio was an open road endurance automobile race held in the mountains of Sicily near Palermo. Founded in 1906, it was the oldest sports car racing event, part of the World Sportscar Championship between 1955 and 1973... |
Palermo Palermo Palermo is a city in Southern Italy, the capital of both the autonomous region of Sicily and the Province of Palermo. The city is noted for its history, culture, architecture and gastronomy, playing an important role throughout much of its existence; it is over 2,700 years old... |
April 26 | - | Rd 3 | Rd 3 | Rd 2 | 1.6 |
4 | Monza 3 Hours | Autodromo Nazionale Monza Autodromo Nazionale Monza The Autodromo Nazionale Monza is a race track located near the town of Monza, north of Milan, in Italy. The circuit's biggest event is the Formula One Italian Grand Prix, which has been hosted there since the sport's inception.... |
May 3 | Rd 2 | - | - | - | 1.3 |
5 | 500 km of Spa | Circuit de Spa-Francorchamps Circuit de Spa-Francorchamps The Circuit de Spa-Francorchamps is the venue of the Formula One Belgian Grand Prix and the Spa 24 Hours endurance race. It is also home to the all Volkswagen club event, 25 Hours of Spa, run by the Uniroyal Fun Cup. It is one of the most challenging race tracks in the world, mainly due to its... |
May 17 | - | Rd 4 | Rd 4 | - | 1.3 |
6 | La Consuma Hillclimb | Consuma | May 24 | Rd 3 | - | - | - | 1.0 |
7 | 1000km Nürburgring 1000km Nürburgring The ADAC 1000 km Nürburgring is an endurance race for sports cars held on the Nürburgring in Germany and organized by the ADAC since 1953.- History :... |
Nürburgring Nürburgring The Nürburgring is a motorsport complex around the village of Nürburg, Germany. It features a modern Grand Prix race track built in 1984, and a much longer old North loop track which was built in the 1920s around the village and medieval castle of Nürburg in the Eifel mountains. It is located about... |
May 31 | Rd 4 | Rd 5 | Rd 5 | Rd 3 | 1.6 |
8 | Alpenbergpreis Rossfeld | Rossfeld | June 7 | Rd 5 | - | - | - | 1.0 |
9 | 24 Hours of Le Mans 24 Hours of Le Mans The 24 Hours of Le Mans is the world's oldest sports car race in endurance racing, held annually since near the town of Le Mans, France. Commonly known as the Grand Prix of Endurance and Efficiency, race teams have to balance speed against the cars' ability to run for 24 hours without sustaining... |
Circuit de la Sarthe Circuit de la Sarthe The Circuit des 24 Heures, also known as Circuit de la Sarthe, located near Le Mans, France, is a semi-permanent race course most famous as the venue for the 24 Hours of Le Mans auto race. The track uses local roads that remain open to the public most of the year... |
June 20-21 | - | Rd 6 | Rd 6 | Rd 4 | 2.0 |
10 | International 12 Hours of Reims Grand Prix de la Marne The Grand Prix de la Marne was a Grand Prix motor racing event staged at the Reims-Gueux racecourse, near the city of Reims in the Marne département of north-east France. First held in 1925, it proved to be one of the fastest road races in Europe... |
Reims-Gueux Reims-Gueux Reims-Gueux was a triangular motor racing road course near Reims, France, which hosted 14 French Grands Prix.Reims-Gueux was first established in 1926 on the public roads between the small French villages of Thillois and Gueux. The circuit had two very long straights between the towns, and teams... |
July 5 | - | Rd 7 | Rd 7 | - | 1.0 |
11 | Grosser Bergpreis Freiburg Freiburg Freiburg im Breisgau is a city in Baden-Württemberg, Germany. In the extreme south-west of the country, it straddles the Dreisam river, at the foot of the Schlossberg. Historically, the city has acted as the hub of the Breisgau region on the western edge of the Black Forest in the Upper Rhine Plain... -Schauinsland Schauinsland The Schauinsland , is a mountain in the Black Forest with an elevation of 1,284 m above sea level.... |
Schauinsland Schauinsland The Schauinsland , is a mountain in the Black Forest with an elevation of 1,284 m above sea level.... |
August 9 | - | Rd 8 | Rd 8 | - | 1.0 |
12 | Coppa Citta di Enna | Autodromo di Pergusa Autodromo di Pergusa The Autodromo di Pergusa is an automobile and motorcycle circuit that encircles the only Sicilian natural lake, Pergusa Lake. The circuit is also known as Enna-Pergusa, as the lake is located near the city of Enna.... |
August 16 | - | Rd 9 | - | - | 1.3 |
13 | RAC Royal Automobile Club The Royal Automobile Club is a private club and is not to be confused with RAC plc, a motorists' organisation, which it formerly owned.It has two club houses, one in London at 89-91 Pall Mall, and the other in the countryside at Woodcote Park, Surrey, next to the City of London Freemen's School... Gallaghers Tourist Trophy RAC Tourist Trophy The International Tourist Trophy is an award given by the Royal Automobile Club and awarded semi-annually to the winners of a selected motor racing event each year in the United Kingdom. It was first awarded in 1905 and continues to be awarded to this day, making it the longest lasting trophy in... |
Goodwood Circuit 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... |
August 26 | - | - | Rd 9 | - | 1.3 |
14 | Grosser Bergerpreis Sierra Sierra Sierra can refer to:- Mountains and mountain ranges :* Sierra mountains * Sierra de Juárez, mountain range in Baja California, Mexico... Crans-Montana Crans-Montana Crans-Montana is a ski resort in western Switzerland, in the heart of the Swiss Alps in the canton of Valais. It is located on a plateau above Sierre at an elevation of about 1500 m above sea level, allowing good view over the Valais Alps and Weisshorn in particular... |
Crans-Montana Crans-Montana Crans-Montana is a ski resort in western Switzerland, in the heart of the Swiss Alps in the canton of Valais. It is located on a plateau above Sierre at an elevation of about 1500 m above sea level, allowing good view over the Valais Alps and Weisshorn in particular... |
August 30 | Rd 6 | Rd 10 | Rd 10 | - | 1.0 |
15 | 500 km Nürburgring | Nürburgring Nürburgring The Nürburgring is a motorsport complex around the village of Nürburg, Germany. It features a modern Grand Prix race track built in 1984, and a much longer old North loop track which was built in the 1920s around the village and medieval castle of Nürburg in the Eifel mountains. It is located about... |
September 6 | Rd 7 | - | - | - | 1.0 |
16 | Coppa Inter-Europa | Autodromo Nazionale Monza Autodromo Nazionale Monza The Autodromo Nazionale Monza is a race track located near the town of Monza, north of Milan, in Italy. The circuit's biggest event is the Formula One Italian Grand Prix, which has been hosted there since the sport's inception.... |
September 6 | - | Rd 11 | - | - | 1.3 |
17 | Double 500 km Bridgehampton Grand Prix The Bridgehampton Grand Prix was a sports car race held at Bridgehampton Race Circuit between 1961 and 1969.-Results:... |
Bridgehampton Race Circuit Bridgehampton Race Circuit Bridgehampton Race Circuit was a race track located near Sag Harbor, New York, United States. The circuit opened in 1957, following a series of road races held from 1949 until 1953... |
September 19 | Rd 8 | Rd 12 | Rd 11 | - | 1.6 |
18 | Double 500 km Bridgehampton Grand Prix The Bridgehampton Grand Prix was a sports car race held at Bridgehampton Race Circuit between 1961 and 1969.-Results:... |
Bridgehampton Race Circuit Bridgehampton Race Circuit Bridgehampton Race Circuit was a race track located near Sag Harbor, New York, United States. The circuit opened in 1957, following a series of road races held from 1949 until 1953... |
September 20 | Rd 9 | Rd 13 | - | - | 1.3 |
19 | Tour de France Tour de France automobile Tour de France Automobile was a sports car race held on roads around France, first held in 1899 at speeds of 30 mph . The first event was won by René de Knyff driving a Panhard et Levassor... |
September 11-20 | - | - | Rd 12 | - | 1.3 | |
20 | 1000 km de Paris | Autodrome de Montlhéry Autodrome de Montlhéry Autodrome de Montlhéry is an automobile racetrack, officially called L’autodrome de Linas-Montlhéry, located across the towns of Linas Bruyères-le-Châtel and Ollainville, outside Paris in the southside.... |
October 11 | Rd 10 | Rd 14 | - | - | 1.6 |
International Championship for GT Manufacturers
- Points were awarded for the top six positions in each division in each race on a 9-6-4-3-2-1 basis with the relevant points coefficient applied (see Schedule above).
- Points were awarded only for the position gained by the best placed car from each manufacturer in each division at each race.
- Only the best six race results plus one hillclimb result were retained towards the final classification.
- Manufacturers had to enter at least six races and one hillclimb to be eligible for championship classification.
International Prototypes Trophy
- Points were awarded for the top six positions outright and in the Under 3000cc division in each race on a 9-6-4-3-2-1 basis with the relevant points coefficient applied (see Schedule above).
- Points were awarded only for the position gained by the best placed car from each manufacturer at each race.
- All points were retained towards the final classification.
- Manufacturers had to enter all four Trophy races to be eligible for championship classification.
Results
Division I (1300 cc)
Pos | Manufacturer | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | Total |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Abarth Abarth Abarth is an Italian racing car maker founded by Austrian-Italian Carlo Abarth and Italian Armando Scagliarini in Turin in 1949. Its logo depicts a stylized scorpion on a red and yellow background.- History :... -Simca Simca Simca was a French automaker, founded in November 1934 by Fiat. It was directed from July 1935 to May 1963 by the Italian Henri Théodore Pigozzi... |
14,4 | 11,7 | 9 | 14,4 | (9) | (9) | 9 | 14,4 | 59,9 | ||||||||||||
2 | Triumph Triumph Motor Company The Triumph Motor Company was a British car and motor manufacturing company. The Triumph marque is owned currently by BMW. The marque had its origins in 1885 when Siegfried Bettmann of Nuremberg initiated S. Bettmann & Co and started importing bicycles from Europe and selling them with his own... |
3 | 14,4 | 6,4 | 24 | |||||||||||||||||
3 | Alpine | 6,4 | 7,8 | 14,4 | ||||||||||||||||||
4 | Lotus | 4,8 | 3,9 | 4 | 12,7 | |||||||||||||||||
5 | Fiat Fiat FIAT, an acronym for Fabbrica Italiana Automobili Torino , is an Italian automobile manufacturer, engine manufacturer, financial, and industrial group based in Turin in the Italian region of Piedmont. Fiat was founded in 1899 by a group of investors including Giovanni Agnelli... -Abarth Abarth Abarth is an Italian racing car maker founded by Austrian-Italian Carlo Abarth and Italian Armando Scagliarini in Turin in 1949. Its logo depicts a stylized scorpion on a red and yellow background.- History :... |
2,6 | 6 | (1) | 2 | 10,6 | ||||||||||||||||
6 | Alfa Romeo Alfa Romeo Alfa Romeo Automobiles S.p.A. is an Italian manufacturer of cars. Founded as A.L.F.A. on June 24, 1910, in Milan, the company has been involved in car racing since 1911, and has a reputation for building expensive sports cars... |
9,6 | 11,7 | 11,7 | ||||||||||||||||||
7 | René Bonnet René Bonnet René Bonnet was a French driver and automobile constructor.He started building race cars in 1936 with Charles Deutsch and in 1946 they founded Deutsch et Bonnet in Champigny-sur-Marne, using Citroën and Panhard mechanics. They separated in 1961 and René Bonnet founded the firm Automobiles René... |
9,6 | 9,6 | |||||||||||||||||||
8 | Austin-Healey Austin-Healey Austin-Healey was a British sports car maker. The marque was established through a joint-venture arrangement, set up in 1952 between Leonard Lord of the Austin division of the British Motor Corporation and the Donald Healey Motor Company, a renowned automotive engineering and design... |
5,2 | 5,2 | |||||||||||||||||||
9= | NSU NSU Motorenwerke AG NSU Motorenwerke AG, normally just NSU, was a German manufacturer of automobiles, motorcycles and pedal cycles, founded in 1873. It was acquired by Volkswagen Group in 1969... |
4,8 | 4,8 | |||||||||||||||||||
9= | Glas Glas Hans Glas GmbH is a former German automotive company, which was based in Dingolfing. Originally a maker of farm machinery, Glas evolved first into a producer of motor scooters, then automobiles... |
4,8 | 3 | 4,8 | ||||||||||||||||||
11 | Honda Honda is a Japanese public multinational corporation primarily known as a manufacturer of automobiles and motorcycles.Honda has been the world's largest motorcycle manufacturer since 1959, as well as the world's largest manufacturer of internal combustion engines measured by volume, producing more than... |
4 | 4 | |||||||||||||||||||
12 | Marcos Marcos (automobile) Marcos was a British sports car manufacturer. The name was a combination of founders Jem Marsh and Frank Costin.-History:Marcos was founded in Luton, in Bedfordshire, England, in 1959 by Jem Marsh and Frank Costin. Frank Costin had earlier worked on the De Havilland Mosquito fighter-bombers and... |
1 | 1 |
Division II (2000 cc)
Pos | Manufacturer | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | Total |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 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.... |
(11,7) | 14,4 | 14,4 | (11,7) | 14,4 | 9 | 18 | (9) | (1,3) | (4) | (11,7) | 14,4 | (11,7) | 14,4 | 99 | ||||||
2 | Alfa Romeo Alfa Romeo Alfa Romeo Automobiles S.p.A. is an Italian manufacturer of cars. Founded as A.L.F.A. on June 24, 1910, in Milan, the company has been involved in car racing since 1911, and has a reputation for building expensive sports cars... |
6,4 | 6,4 | 4 | (2,6) | (1,3) | 3,2 | 5,2 | 4,8 | 30 | ||||||||||||
3 | Abarth Abarth Abarth is an Italian racing car maker founded by Austrian-Italian Carlo Abarth and Italian Armando Scagliarini in Turin in 1949. Its logo depicts a stylized scorpion on a red and yellow background.- History :... -Simca Simca Simca was a French automaker, founded in November 1934 by Fiat. It was directed from July 1935 to May 1963 by the Italian Henri Théodore Pigozzi... |
2,6 | (1) | 11,7 | 9 | 3,9 | 26,2 | |||||||||||||||
4 | MG | 4,8 | 4,8 | |||||||||||||||||||
5 | Lotus-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... |
3,2 | 3,2 | |||||||||||||||||||
6= | Volvo Volvo AB Volvo is a Swedish builder of commercial vehicles, including trucks, buses and construction equipment. Volvo also supplies marine and industrial drive systems, aerospace components and financial services... |
2,6 | 2,6 | |||||||||||||||||||
6= | Sunbeam | 2,6 | 2,6 | |||||||||||||||||||
8 | Lotus | 1,6 | 1,6 |
Division III (+2000 cc)
Pos | Manufacturer | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | Total |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Ferrari Ferrari Ferrari S.p.A. is an Italian sports car manufacturer based in Maranello, Italy. Founded by Enzo Ferrari in 1929, as Scuderia Ferrari, the company sponsored drivers and manufactured race cars before moving into production of street-legal vehicles as Ferrari S.p.A. in 1947... |
11,7 | (4,8) | 14,4 | 11,7 | 14,4 | 12 | (9) | 6 | (3,9) | (3) | 14,4 | 84,6 | |||||||||
2 | Shelby | 3,9 | 14,4 | 9,6 | (1,3) | (1,6) | 18 | 9 | 11,7 | (9) | 11,7 | 78,3 | ||||||||||
3 | Jaguar | 4 | 2,6 | 6,6 | ||||||||||||||||||
4 | A.C. AC Cars AC Cars Group Ltd. formerly known as Auto Carriers Ltd. is a British specialist automobile manufacturer and one of the oldest independent car marques founded in Britain... |
4 | 4 | |||||||||||||||||||
5 | Lancia Lancia Lancia Automobiles S.p.A. is an Italian automobile manufacturer founded in 1906 by Vincenzo Lancia and which became part of the Fiat Group in 1969. The company has a long history of producing distinctive cars and also has a strong rally heritage. Some modern Lancias are seen as presenting a more... |
1,6 |
Note: Some manufacturers (other than the three Division winners) may have been ineligible for championship classification under the minimum race participation regulation.
International Prototypes Trophy
Pos | Manufacturer | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | Total |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 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.... |
4,8 | 14,4 | 9,6 | 6 | 34,8 | ||||||||||||||||
2 | Alpine | 9,6 | 9,6 | |||||||||||||||||||
3 | Austin-Healey Austin-Healey Austin-Healey was a British sports car maker. The marque was established through a joint-venture arrangement, set up in 1952 between Leonard Lord of the Austin division of the British Motor Corporation and the Donald Healey Motor Company, a renowned automotive engineering and design... |
1,6 | 1,6 |
Note:
- FerrariFerrariFerrari S.p.A. is an Italian sports car manufacturer based in Maranello, Italy. Founded by Enzo Ferrari in 1929, as Scuderia Ferrari, the company sponsored drivers and manufactured race cars before moving into production of street-legal vehicles as Ferrari S.p.A. in 1947...
scored 46.8 points but was deemed ineligible for classification as it had not contested the Prototype category at all four races. - IsoIso RivoltaIso Rivolta was an automobile and motorbike manufacturer in Italy, predominantly active from the late 1940s through the early 1970s. They are known for the iconic Isetta 'bubble car' of the 1950s, and for a number of powerful performance cars in the 60s and early 70s.-History:Iso Rivolta was...
, MG & ChevroletChevroletChevrolet , 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...
also scored points but were ineligible for classification for the same reason.
- 3000 cc
Pos | Manufacturer | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | Total |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 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.... |
14,4 | 14,4 | 14,4 | 18 | 62,4 | ||||||||||||||||
2 | Alpine | 3,2 | 9,6 | 12 | 24,8 | |||||||||||||||||
3 | Austin-Healey Austin-Healey Austin-Healey was a British sports car maker. The marque was established through a joint-venture arrangement, set up in 1952 between Leonard Lord of the Austin division of the British Motor Corporation and the Donald Healey Motor Company, a renowned automotive engineering and design... |
4,8 | 4,8 | 4 | 11,6 |
Note:
- MG, Rene BonnetRené BonnetRené Bonnet was a French driver and automobile constructor.He started building race cars in 1936 with Charles Deutsch and in 1946 they founded Deutsch et Bonnet in Champigny-sur-Marne, using Citroën and Panhard mechanics. They separated in 1961 and René Bonnet founded the firm Automobiles René...
, TriumphTriumph Motor CompanyThe Triumph Motor Company was a British car and motor manufacturing company. The Triumph marque is owned currently by BMW. The marque had its origins in 1885 when Siegfried Bettmann of Nuremberg initiated S. Bettmann & Co and started importing bicycles from Europe and selling them with his own...
, DivaDiva (car manufacturer)Diva was a British manufacturer of sports cars from 1961 to 1966. It was a subsidiary of the Tunex Conversions Co set up by Don Sim in Camberwell, London but in 1966 Diva Cars Limited became its registered name...
, MartiniMartini (cars)Martini Cars is a constructor of Formula racing cars from France, founded by Renato "Tico" Martini in 1965, when Martini and partner Bill Knight founded the Winfield Racing School at the Magny-Cours circuit...
& VolvoVolvoAB Volvo is a Swedish builder of commercial vehicles, including trucks, buses and construction equipment. Volvo also supplies marine and industrial drive systems, aerospace components and financial services...
all scored points but were deemed ineligible for classification as they had not contested the Prototype category at all four races..