In 1979, a significant amount of progress was made in aerodynamics and to challenge Lotus, Forghieri realised he had to follow their lead and design a ground effect car for 1979.
En 1979, cunha cantidade significativa de avances na aerodinámica desafiaron á Lotus, Forghieri decatouse de que tiña que seguir o seu exemplo e deseñou un coche con efecto solo para 1979.