The car was designed by Julien's former apprentice, the Belgian mechanic Christian Vanderpleyn, who had been with the garage (and the racing team) since the very late 1950s and who would stay on until 1988.
O coche foi deseñado polo ex aprendiz de Julien, o mecánico belga Christian Vanderpleyn, que estivera no garaxe (e co equipo de carreiras) desde finais de 1950 e que se quedaría ata 1988.