He left the basic Lotus 59 construction untouched and only changed the central monocoque section, which contained the two fuel tanks. The chassis mounts have been modified and the front has been adapted to the new regulations to reduce the radiator inlet. Since only engines up to a maximum of 1600 cc were allowed in Formula 2 from 1967 to 1971, the car received a 1.6-liter Cosworth FVA four-cylinder engine and a Hewland F.T.200 gearbox.[3]