[2][3] The car was equipped with an adjustable elevated wing above the cockpit that generated downforce (or down thrust) for enhanced braking and cornering speeds to reduce lap times.
During qualifying, the car lapped the circuit four seconds faster than the Porsche factory team 550s.
Driving a Lotus 18, May qualified 13th for the Monaco Grand Prix but was forced to retire due to an oil leak.
He finished his second race, the French Grand Prix, in eleventh place after starting from 22nd on the grid.
May led the exhaust gases from one cylinder bank through a long pipe around the engine, where they cooled down and mixed with the too hot exhaust gases from the other cylinder bank, reaching a temperature that the turbine could tolerate.