At the Turin Motor Show of 1966, Achille Candide, scion of a family of entrepreneurs from Puglia and owner of a Ford dealership in Lecce, came with a folder of sketches which outlined a car he had in mind to build: a rear engined sports two-seater, with very low centre of gravity. His intention was to present them to Iseglio Domenico, a former designer of Bizzarrini and Bertone, and recent founder and owner of Stile Italia. The idea of building a light and fun car, aimed at a younger audience. Iseglio immediately set to work. He employed Moretti (formerly "Abarth") for the design of the frame and Virginio Conreria for the preparation of the engine, and began to weave the "canvas" administrative order to conduct the business. He offered the car to Ford, to market the product in their network and began negotiations with the lenders. Ford accepted willingly, eager to cover the shortage of its range in the field of sports cars aimed at young audiences, and decided to supply the engines fitted to the "Taunus 20 M". After achieves the appropriate agreements with the banks, the Siva (Società Italiana Vendita Automobili) was founded, with plans to build 300 cars in 1969 and another 500 in 1970. Just before the summer 1966 construction of prototypes began, with modern box-frame, surmounted by a light body in aluminum like a "plate". The engine, a Ford 2000 cc six-cylinder, 85 hp, which, after the "treatment" of Conreria, develops 145 hp was perfect for a car that hardly weighs 850 kilograms. They worked feverishly to finish the prototypes for the Exhibition of Turin of 1967, where it was presented as a static model for the exhibition and prototypes that will work for testing at the Circuit Valentino reserved for the press. The car, named "Sirio" (named after the brightest star), received a great response from both the public and the specialists, comforted by a significant number of orders.