Teo was the main driver, but as he was already contracted to race in the United States based CART/PPG World Series for Forsythe Racing, Corrado, who had driven for Osella in 1983, substituted for him in 3 races where the respective F1 and CART schedules clashed.
Teo era o piloto principal, pero como xa fora contratado para competir nos Estados Unidos na CART/PPG World Series con Forsythe Racing, Corrado, que xa pilotara para Osella en 1983, substituíuno en 3 carreiras, nas que coincidian as datas de F1 e CART.