Lotus 31

The Lotus 31 was 1964, the first 1 -liter Formula 3 racing car of British motor sport teams Lotus.

The Lotus 31 was the first racing car of the British brand for the new 1- liter formula - third Was derived from the car Lotus 22 Formula Junior cars from 1962. The car had a tubular space frame was then placed in a small number of items. By mid- 1964 all the copies were sold. However, many privateers upgraded the car to the Formula Junior. Usually a BMC engine Janspeed or a 997 cc engine Cosworth used, which could also be used in the formula were Junior.

Lotus could but the experience with the construction of the Cooper Formula Junior and Formula 3 race car did not catch up in the shorter and as the season was in the British Formula 3 Championship all about Jackie Stewart, who in a Cooper went to the team of Ken Tyrrell at the start. The Lotus 31 could realize a win in only one Formula Junior race. In Formula 3, they remained winless.

In 1965, an improved version available and the car finally replaced in 1966 by the Lotus 41.