Pedzisa mutsara unotevera: Nokuda kwa1968, Cooper angadai akafarira kuva akabatanidzwa kumutsara weCosworth-Ford DFV, asi akanzwa kuti hukama hwayo kuBritish Leyland neMini-Coopers yakaita kuti izvi zvisakurudzirwe. Panzvimbo pezvo, chibvumirano chakaitwa neBRM nokuda kwekushandiswa kweV-12 yayo ye3-litre, yakatanga kugadzirwa semotokari yemitambo, asi iyo BRM pachayo yaizoshandiswa muna 1968. Shanduro yakashandurwa zvishoma yeT86 yakavakwa nokuda kweinjini itsva, yakatumidzwa kuti T86B uye muItaly aimbova mutyairi weFerrari Ludovico Scarfiotti uye murume wechidiki weChirungu Brian Redman vakashandiswa kuti vatyaire. Motokari dzacho dzakakwanisa kupedza katatu kana kuti kana mu
Spanish neMonaco Grands Prix, zvikurukuru nemhaka yokusavimbika kwemakwikwi, asi ipapo Scarfiotti akaurayiwa achityaira Porsche muRossfeld kukwira makomo uye Redman ane tsaona huru muBelgian Grand Prix iyo yakamuisa kunze kwemabasa kwemwedzi inoverengeka. Cooper akapfuurira mwaka wacho nechiunganidzwa chakasiyana-siyana chevatyairi, hapana nomumwe wavo aigona kuita chimwe chinhu cheT86B yakakurisa. Munguva yemwaka, Cooper akavaka chassis yakagadziridzwa, iyo T86C, yaida kutora Alfa Romeo 3-litre V-8 asi chirongwa ichi chakafa.