Tuhia he haere tonu mo tenei whitianga - Na te whakauru a McLaren i te M14A hou i te tau 1970, kotahi noa iho te mahi a te M7 i te wa i whakamahia ai e Dan Gurney he M7A i te 1970 British Grand Prix. I hokona e Privateer John Surtees te M7C hei aukati tae noa ki tana ake motuka Surtees TS7 kua rite. I whakataetae ia i nga Grand Prix e wha, i mutu i te toru me te whakaoti i te tuaono i te Netherlands. Na ka huri te motuka ki a Jo Bonnier nana i whakamahi mo etahi atu whakataetae e rua i tera tau. I whakamahia te M7D me te M14D e Andrea de Adamich me Nanni Galli, e tohu ana me te tiimata i te whakataetae kotahi anake, te French Grand Prix i mutu ai a de Adamich. I te tau 1971, ko te momo anake o te momo anake ko Bonnier me tana M7C. I whakamahia e ia i ngā whakataetae e rima, ā, ko tana hua tino pai ko te 10 i te Italian Grand Prix
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