Kammala wannan jumla: A cikin gwaji, Graham Hill ya sami Lotus 49 mai sauƙin tuƙi da amsawa, amma ƙarfin injin Ford yana da wahalar sarrafawa da farko. V8 zai ba da kwatsam na iko wanda Hill ya yi ajiyar game da shi. Bayan tafiyarsa ta farko a cikin motar, ya ce a cikin irin salon da ya dace, 'Ya sami wasu poke! Ba wani tsohon kayan aiki ba ne. ' Duk da haka, Jim Clark ya lashe tseren farko a Zandvoort tare da sauƙi kuma ya ɗauki wasu nasara uku a lokacin kakar, amma rashin amincewa da DFV ya ƙare da fatansa na gasar. Yana da matsaloli a tseren farko na Hill, kuma yana da matsala a cikin babbar gasar Belgium, wanda aka gudanar a Spa-Francorchamps mai nisan kilomita 14.73. Clark da Hill sun fada cikin matsalolin amincinsa a Grand Prix na Faransa, wanda aka gudanar a Le Mans Bugatti Circuit (karamin kewayawa ta amfani da wani ɓangare na hanyar da aka yi amfani da ita don 24 Hours na Le Mans), kuma ya rasa Jack Brabham. Sai Clark ya rasa man fetur a Monza a lokacin da
Babban gasar Italiya. Kuskuren injiniya ya kashe Lotus gasar a wannan shekara, amma an ji cewa 1968 zai zama shekara mafi kyau bayan Cosworth da Lotus sun kammala zane-zanen su, wanda ya kasance a fili hanyar ci gaba.