 In 1963 he was hired by Lamborghini as their chief designer, where he (along with Paolo Stanzani, and Bob Wallace) designed the chassis of the Lamborghini Espada and Miura.In 1969 he started to design race cars for Frank Williams, founder and manager of the WilliamsF1 Formula One team.In 1972, Dallara founded and established Dallara Automobili in Parma, Italy.