Ramba uchinyora ndima iyi - Muna 1966, FIA yakapeta kaviri kukura kweinjini kubva pa 1.5 kusvika ku 3 litita, izvo zvakaona motokari dzichimhanya nokukurumidza zvikuru panzira nenzvimbo zvisina kuchinjwa kubvira pamberi peHondo Yenyika II. Ikoku kwakaguma netsaona dzinoverengeka dzakauraya. Rufu rwemutyairi wenyeredzi yaChapman Jim Clark paHockenheimring muFormula Two mujaho muna 1968 yaive nguva yekuchinja: vatyairi vakati wandei, kusanganisira Clark's Lotus kutsiva, Jochen Rindt, uye Grand Prix Drivers 'Association (GPDA), vakatanga kubvunza kuchengetedzeka kwemutambo. Rindt amene akaurawa mukati mokurovedza pa 1970 Italian Grand Prix
; akawana mubairo wokukunda makwikwi evatyairi gore iroro.