In September 1936, motor racing's legislative body, the AIACR (Association Internationale des Automobile Clubs Reconnus), decreed the parameters of the new Grand Prix formula from 1938 onwards. The key elements: a maximum displacement of three litres for supercharged engines, or of 4.5 litres for naturally aspirated units, a minimum weight of 400 or up to 850 kilograms, depending on the engine's displacement. ... Read More
