Lotus 31 [SEP] start time
Lotus 31
The Lotus 31 was a racing car produced by Lotus for the new 1-litre Formula 3 introduced in 1964, replacing the expensive Formula Junior. The chassis was a multi-tubular spaceframe, of similar design to the 1962 Lotus 22 Formula Junior. A Ford Cosworth 105E with Single Choke Weber or SU carburettors produced at 8000rpm. The 31 had little success against the more advanced monocoque cars that dominated in 1964. Records show only 12 were built in 1964/5. 
In 1966 19 cars were built with the Chassis 22
Circuit of the Americas, Lotus mechanics changed the No. 31 car's engine, the fourth since the beginning of the season, entailing a three-minute stop-and-go penalty for the team. The drivers of the No. 31 car recorded the sixth-fastest average LMP2 lap time in qualifying and Charouz went into the rear of Sarrazin's No. 8 Toyota TS030 Hybrid heading towards the first corner, sending the latter car into a spin. At the start of the race, Rossiter made contact with Pierre