The Mazda

Mazda

is a Japanese automotive manufacturer based in Fuchū, Aki District, Hiroshima Prefecture, Japan.In 2007, Mazda produced almost 1.3 million vehicles for global sales...

 737C was a prototype racing car built for Mazdaspeed

Mazdaspeed

Mazdaspeed is Mazda's in-house race and street car tuning arm. It began in 1968 as "Mazda Sports Corner", a tuning and racing operation run by Takayoshi Ohashi, who also ran Mazda's Tokyo distributor...

 for the 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...

 under the Group C

Group C

Group C was a category of motorsport, introduced by the FIA in 1982 for sports car racing, along with Group A for touring cars and Group B for GTs....

2 formula. It was the final evolution of the initial Mooncraft built design dating back to the 717C. It again used a 2-rotor 13B Wankel engine

Wankel engine

The Wankel engine is a type of internal combustion engine using an eccentric rotary design to convert pressure into a rotating motion instead of using reciprocating pistons. Its four-stroke cycle takes place in a space between the inside of an oval-like epitrochoid-shaped housing and a rotor that...

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Two 737Cs were entered in the 1985 24 Hours of Le Mans

1985 24 Hours of Le Mans

The 1985 24 Hours of Le Mans was the 53rd Grand Prix of Endurance as well as the fourth round of the 1985 World Endurance Championship. It took place at the Circuit de la Sarthe, France, on June 15 and 16 1985....

, finishing 3rd and 6th in the C2 class. The 737Cs were also raced in part of the 1985 World Sportscar Championship season

1985 World Sportscar Championship season

The 1985 World Sportscar Championship season was the 33rd season of FIA World Sportscar Championship motor racing. It featured the 1985 World Endurance Championship which was contested over a series of races for Group C1 and Group C2 Prototypes, Group B GT Cars and IMSA GTP cars...

, managing 8th place for Mazdaspeed

Mazdaspeed

Mazdaspeed is Mazda's in-house race and street car tuning arm. It began in 1968 as "Mazda Sports Corner", a tuning and racing operation run by Takayoshi Ohashi, who also ran Mazda's Tokyo distributor...

 in the C2 teams championship. In the All Japan Sports Prototype Championship

All Japan Sports Prototype Championship

The , abbreviated as JSPC, formed by the Japanese Automobile Federation, was a domestic championship which took place in Japan for Group C and IMSA GTP prototype cars and also featured cars that were eligible for touring car racing in its earlier years...

, Mazda was able to come home 5th in the constructor's championship.

737Cs later ended up in the hands of privateers for the JSPC

All Japan Sports Prototype Championship

The , abbreviated as JSPC, formed by the Japanese Automobile Federation, was a domestic championship which took place in Japan for Group C and IMSA GTP prototype cars and also featured cars that were eligible for touring car racing in its earlier years...

 after Mazda replaced it with the newer 757

Mazda 757

The Mazda 757 was a prototype racing car built by Mazdaspeed for the 24 Hours of Le Mans running under the IMSA-spec GTP class. It replaced the previous lineage of Group C2 class cars which ended with the 737C and was the first chassis built entirely by Mazdaspeed and designed by Nigel Stroud...

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