Alfa Romeo Giulietta Spider (101) '1958–62
drag coefficients
Alfa Romeo Giulia 1600 Spider (101.23) '1962–65
Ferrari 365 GTS/4 "Daytona" Worldwide '1971–72
Alfa Romeo Spider 1600 "Duetto" (105.03) '1966–67
Ferrari 365 GTS/4 "Daytona" UK-spec '1971–72
Ferrari 365 GTS/4 "Daytona" North America '1971–73
Ferrari 275 GTS Prototipo Worldwide '02–10.1964