In the winter of 1978, Stirano designed an evolution of the old Osella FA2 for the 1979 season: this new car allowed Eddie Cheever to win races at Silverstone, the Pau Grand Prix and Zandvoort.
The Osella FA1, did not achieve good results, only a 12th place at the San Marino GP and Imola collecting 9 drop outs and 4 failed qualifications.
Meanwhile, Stirano went on to dedicate his time to activities parallel to the world of motor racing : together with three partners he founded Alba Engineering and started building a car for Formula 3, test driven by Enzo Coloni.
These "custom" cars were also exported to the United States where they participated at the IMSA Championship with drivers such as Gianpiero Moretti, Jim Trueman and others at the wheel.
The enquiry, which started in 1997, had Stirano, Diego Milen, Roberto Vitali and Giovanni Saccenti (the surveyors team for Williams) up against Tommaso Carletti and Mauro Forghieri.
In the same period he was also providing technical assistance with the creation of Gloria, a company founded by Enrico Glorioso and specializing in the building of racing cars for Junior Championships.
In 2006 Stirano founded the company, Albatech Monaco, an atelier of design and engineering providing consultancy in the automotive and nautical fields Stirano was for a long time a member of ACI CSAI, the Italian racing cars Federation, in the Technical Subcommittee and, as Italian Deputy Member, in the FIA Technical Commission, President of the Motorsport Safety Council until 2006, and Advisor SAE (Society of Automotive Engineers) for Italy from 1993 to 2000.
In 2006 together with Paolo D'Alessio and Mirco Lazzari, he published Formula 1 - La cronaca e le foto più belle del campionato, editing the technical part of the book.