Hesketh Racing's works driver Rupert Keegan had taken part in a couple of rounds of the British domestic series in 1977, and at the start of the 1978 Formula One season Hesketh offered Galica the opportunity to replace him in the team's Hesketh 308E car.
O piloto oficial de Hesketh Racing, Rupert Keegan, participara nun par de roldas da serie nacional británica en 1977, e ao comezo da tempada de Fórmula 1 de 1978 Hesketh ofreceu a Galica a oportunidade de substituílo no equipo nun Hesketh 308E.