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Bizzarrini Utes. p. A. was an Italian automotive manufacturer in the 1960s founded by ex - Alfa Romeo, Ferrari and ISO professional, Giotto Bizzarrini. The company built a small number of highly developed and sophisticated sport and racing automobiles before failing in 1969. Notable models include the 5300 GT Strada and also the P538S.Originally Prototipi Bizzarrini ohydrates. r. l., the name was transformed to Bizzarrini S. p. A. in 1966. The Bizzarrini marque continues to be revived with a number of concept cars in the actual 2000s.Giotto Bizzarrini was created in Livorno, Italy in 1926. His father was a new rich landowner who originated in a family with solid roots in Tuscany and also the city of Livorno. His grandfather, also named Giotto Bizzarrini, was a biologist who had worked with Guglielmo Marconi on his inventions, especially the radio, following which one of the Livorno Library sections ended up being named The Bizzarrini Library.Bizzarrini graduated as an engineer inside University of Pisa inside 1953. He taught briefly just before joining Alfa Romeo throughout 1954. He worked for Alfa Romeo by 1954 to 1957. He began working regarding Ferrari in 1957, eventually becoming controller regarding experimental, Sports and GT vehicle development. He worked at Ferrari to be a developer, designer, test driver, and chief engineer pertaining to five years. His developments there integrated the Ferrari 250 TR, the Ferrari 250 GT SWB (Brief Wheelbase Berlinetta or Berlinetta Passo Corto), and the 1962 Ferrari three hundred GTO.

Bizzarrini has been fired by Ferrari in the "palace revolt" of 1961. He became part of Automobili Turismo e Sports activity (ATS)), a company started by the ex-Ferrari engineers to make a Formula 1 single seater and a GT sport car, the A. T. S. Serenissima.One of ATS's monetary backers, Count Giovanni Volpi, owner of Scuderia Serenissima, hired Bizzarrini to up grade a Ferrari 250 GT SWB, with chassis number #2819GT for you to GTO specifications. This resulted in this Ferrari 250 GT SWB Drogo generally known as the "Breadvan".Bizzarrini's engineering company, Societa Autostar, was commissioned to style a V-12 engine for any GT car to be built by another unhappy Ferrari customer, Ferruccio Lamborghini. Lamborghini considered the resulting engine to be too highly strung, and ordered that that be detuned.

Bizzarrini worked since 1964 with regard to Iso Rivolta and developed three models: Iso Rivolta GT, Iso Grifo both A3L along with A3C versions. His work was to develop a pressed steel shape chassis for Iso vehicles. Renzo Rivolta hired him as consultant towards the Iso Gordon GT project which became the Iso Rivolta GT. The Iso Gordon GT prototype got its start from the Gordon-Keeble. The Gordon Keeble GT ended up being designed in 1960 through Giugiaro. Bizzarrini tested the car or truck and was impressed by the powerful V8 Corvette engine and the rear De Dion tube used by the GT:'Rivolta experienced me test the prototype. I liked its De Dion conduit and especially the Corvette serps. It was the first time I had driven one. It was superior to help Ferrari's engines, having the same power but using a more immediate throttle reaction. 'The Iso Rivolta GT was a Giugiaro designed four seater with beautiful entire body, speed, comfort and handling, and was a successful car for ISO together with 799 units sold. Powered by a 327ci Chevrolet Corvette V8 engine using a classic De Dion back suspension design with forced steel monocoque bodywork more than pressed steel frame chassis. Unveiled to the media in 1963, production continued until 1970.The Iso Grifo A3L has been a monstrous idea for the super coupé, the L coming from Lusso. The result of the actual brilliant Giugiaro and Bizzarrini doing work together, it was based using a shortened Iso Rivolta GT chassis and was debuted with the 1963 Turin show. The Grifo epitomised the 1960s Italian style using its handsome low and broad handmade bodywork. It was the most effective production car tested by simply Autocar Magazine in 1966 which has a top speed of one hundred sixty mph (260 km/h). Later versions of your Grifo were powered by way of big block Chevrolet Corvette 435 bhp (324 kW; 441 PS) serps. These 90 handbuilt units are distinguishable from the raised "pagoda style" deal bonnet. Some of these Iso Grifo 7 Litri items were rebuilt later with a whole lot larger engines.

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The thought of Bizzarrini was to utilize 3AL cars for rivalry. The competition versions from the Grifo were named Iso Grifo A3C, C for Competizione or Corsa. A new lightweight riveted aluminum body was designed and built by Piero Drogo. It was an strongly designed machine, oriented to endurance backrounds. It uses normal ISO underpinnings but the engine was moved further last the chassis frame versus Grifo A3L, protruding well into the driver's cabin, fitted with hot cams and fed by a number of big Weber carburettors, giving more than 600 bhp (298 kW; 406 PS).

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About 29 A3C sport cars were built underneath the ISO name. Five of these 28 cars were bodied in plastic/fiberglass by Piero Drogo from Carrozzeria Sports Cars throughout Modena. A3Cs were widely ran. Some cars entered the particular 1964 and 1965 The Mans 24 hour, 1965 Nürburgring 1000 in addition to 1965 Sebring. It achieved a Le Mans class win in both years plus a 9th overall in 1965 without having factory support. A3Cs were one on the fastest cars on LeMans' Mulsanne Directly in both years.

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