<prompt> Nyora kupfuurira kweiyi ndima - Mushure mekuvaka mota yeGP yaJean Behra, iyo yakazozivikanwa seBehra-Porsche, Colotti akavaka yake Grand Prix mota inonzi Tec-Mec F415, yakavakirwa paMaserati 250F muna 1959, naFritz dOrey semutyairi uyo akapedza 10th pa1959 French Grand Prix  <response>: . Panenge panguva imwe cheteyo, Alf Francis, Chief Engineer paRob Walker Racing, akatanga kushanda naColotti, achichinja zita reTec-Mec kuva Colotti-Francis. 