<prompt> Bhala okuqhubekayo kwalesi sigaba - I-FIA yanquma kusukela ngo-1966, imithetho emisha yezinjini ezingamalitha amathathu yayiyoqala ukusebenza. I-Lotus yayingaqhudelani kangako. Ukuqala ngenjini engu-2 litre Coventry-Climax kuLotus 33, uClark akazange athole amaphuzu kwaze kwaba yiBritish Grand Prix  <response>: futhi waba ngowesithathu emncintiswaneni olandelayo we-Dutch Grand Prix. Kusukela ku-Italian Grand Prix kuqhubeke iLotus yasebenzisa injini ye-BRM H16 eyinkimbinkimbi kakhulu emotweni yeLotus 43, uClark ayinqoba ngayo i-US Grand Prix. Wabuye wathatha indawo yesibili e-Indianapolis 500, kulokhu ngemuva kukaGraham Hill. 