Rédelé commissioned him to organize a motor development department of their own to reduce dependence on those of Gordini, Mignotet and Moteur Moderne.
[3][6] In 1971, he tuned a R16’s engine to be mounted on a chassis designed by André de Cortanze for the French F3 Championship.
[7] In 1973, before the merger between Alpine and Renault-Gordini, Jean Terramorsi, Chairman of the second company, sent Dudot to the United States to study the potential of turbo technology in motorsport.
[2][11] In 1986, he led the design of the EF15B[12] power plant, which included for the first time in Formula One the pneumatic valve return, an innovation that would have a major impact on the era of atmospheric engines.
[2][3][12] At the end of 1997 Renault left Formula One and Dudot was hired as Prost Grand Prix’s Technical Director on 1 November 1997, but in June 1999 he was replaced by Alan Jenkins.