Kammala wannan magana: An yi amfani da Dijon a 1984, kuma a lokacin injina masu turbo sun kasance kusan ko'ina, sai dai ƙungiyar Tyrrell waɗanda har yanzu suna amfani da injin Cosworth V8. Hukumar kula da wasannin motsa jiki ta duniya a wancan lokacin, FISA, ta kafa manufar kwangilar dogon lokaci tare da madaidaiciya guda ɗaya a kowace Grand Prix. Zaɓin ya kasance tsakanin Dijon da Ricard <unk> ƙaramar hanyar Prenois tana da motocin da ke kewaye da su a cikin minti 1 da na biyu, kuma Ricard shine babban wurin gwaji na Formula One a lokacin. Saboda haka, aka zaɓi Ricard, kuma ya yi gasar daga shekara ta 1985 zuwa 1990. Daga 1986 zuwa gaba, Formula One ta yi amfani da gajartacciyar hanyar da'irar, bayan hatsarin da ya kashe Elio de Angelis a cikin saurin Verriere. De Angelis bai ji rauni ba sakamakon hadarin, duk da haka motarsa ta kama da wuta kuma babu marshals da za su taimaka masa saboda zaman gwaji ne, kuma ya mutu sakamakon shan hayaki a asibiti washegari. Ba a yi amfani da waɗannan sassan biyu masu sauri da kuma ɓangaren saman ɓangaren ba don tseren tsere biyar da suka gabata. Prost ya lashe tsere uku na karshe a can, wanda 1988 ya kasance nasara mai ban mamaki; ya wuce abokin aikinsa Ayrton Senna a Curbe de Signes a ƙarshen Mistral Straight mai sauri kuma ya jagoranci jagora har zuwa gamawa, kuma a 1990 (wanda aka hana injunan turbo-turbo) ya jagoranci fiye da zagaye 60 da Italiyanci Ivan Capelli da Brazilian Maurício Gugelmin a cikin rashin kuɗi, Adrian Newey ya tsara motocin Leyton-House <unk> motoci biyu da suka kasa cancanta a gasar
taron da ya gabata a Mexico. Prost, yanzu yana tuka Ferrari bayan ya tuka McLaren daga 1984 zuwa 1989, ya yi cajin tsere na ƙarshe kuma ya wuce Capelli don cin nasarar; Gugelmin ya yi ritaya a baya.