The last time it was used was by the Haas Lola team at the 1986 San Marino Grand Prix, with Patrick Tambay qualifying 11th but retiring with engine troubles after just five laps.
Terakhir kali mesin Hart digunakan oleh tim Haas Lola di Grand Prix San Marino 1986 dengan Patrick Tambay lolos ke-11 namun tersingkir dari lomba karena masalah mesin setelah hanya 5 lap.