 Nekuunzwa kwaMcLaren kweM14A itsva muna 1970, M7 yakanga ichingova nemumwe chete wekushanda kunze apo Dan Gurney akashandisa M7A pa1970 British Grand Prix. Privateer John Surtees akatenga M7C sechinhu chenguva pfupi kusvikira motokari yake yaSurtees TS7 yagadzirira. Akamhanya nayo paGrand Prix ina, achirega kubva pavatatu ndokupedza ari wechitanhatu muNetherlands. Motokari yacho yakabva yashandurwa kuva yaJo Bonnier uyo akaishandisa kwemimwe mijaho miviri gore iroro. M7D yakashandiswa nguva nenguva neM14D naAndrea de Adamich naNanni Galli, vachikwikwidza uye kutanga mujaho mumwe chete, French Grand Prixuko de Adamich akapedza asina kunyorwa. Pakasvika 1971 mukwikwidzi bedzi worudzi rwacho akanga ari Bonnier neM7C yake. Akachishandisa mumijaho mishanu uye akawana mugumisiro wakanakisisa wechi10 muItaly Grand Prix. 