Mazda R100 Rotary Coupe #33 1969

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As for motorsport, Mazda raced its R100 with blind ambition. Mazda was, after all, very proud of its new rotary engine, and in July 1969 the factory entered two R100s in the famous Spa-Francorchamps 24-hour, a production-type race where many of the world's manufacturers entered to compare product against opposition product. The Spa R100s ran with their Cosmo type all-aluminum 10A engines. By this stage Mazda's 10A peripheral ported engines were capable of 200+hp, but the Spa engines were held to around 187hp for endurance reasons. Still the small R100s put in a big performance to finish a very respectable 5th and 6th overall behind factory 911s Porsches. For the 1970 Spa-Francorchamps race, an R100 again came 5th outright. Locally, R100s were tried at Bathurst and a few touring car rounds but didn't do very well.

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