Whakakī i te rerenga e whai ake nei: Mo te tau 1968, kua hiahia a Cooper ki te whakauru atu ki te rarangi mo te Cosworth-Ford DFV, engari i whakaaro ia ko ona hononga ki a British Leyland me nga Mini-Coopers kaore i pai. Engari, i whakaritea he kirimana ki a BRM mo te whakamahinga o tana 3-ra V-12, i whakaarohia i te timatanga hei waahanga motuka hākinakina, engari ko te BRM ano ka whakamahia i te 1968. I hangaia he putanga whakarereke iti o te T86 mo te miihini hou, i tapaina ko te T86B me te kaihauturu o mua o Ferrari o Itari a Ludovico Scarfiotti me te taiohi Ingarihi a Brian Redman i whakamahia hei taraiwa. I taea e ngā motokā te whakaoti i te toru, i te whā i roto i te
Ko nga Tohu Nui o Spain me Monaco, na te kore o te whakataetae, engari i mate a Scarfiotti i te taraiwa o te Porsche i te pikitanga o Rossfeld me Redman he aitua nui i te Belgian Grand Prix i kore ai ia e mahi mo etahi marama. I haere tonu a Cooper i te wa me te kohinga o nga taraiwa, kaore tetahi i taea te mahi i tetahi mea o te T86B. I te wa o te wa, i hangaia e Cooper he taraiwa whakarereke, te T86C, i hangaia hei tango i te Alfa Romeo 3-ra V-8 engari i mate te kaupapa.