 Nyorai kupfuurira kweiyi ndima - Chassis 7018 yakatanga kuwanika nokuda kwomujaho wechitatu wa1970, asi nemutoro wekutarisira timu imwe chete injini, pamwe nekushomeka kwake mukugadzira iyo yakazove mota yakaoma, Peterson akatadza kuenzana nekumhanya kweanotungamira 701s anotyairwa naStewart naAmon, kunyangwe akaenzanisa zvakanaka nemutyairi ane ruzivo Jo Siffert. Pakutanga kwake muFormula One muSweden akakodzera gumi nemaviri uye ndiye chete March akapedza, achangobva kunze kwemapoinzi ari wechinomwe. 