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Bizzarrini S. p. A. was an Italian automotive manufacturer in the 1960s founded by past Alfa Romeo, Ferrari and ISO professional, Giotto Bizzarrini. The company built few highly developed and superior sport and racing motor vehicles before failing in 1969. Notable models include your 5300 GT Strada and the P538S.Originally Prototipi Bizzarrini ersus. r. l., the name was transformed to Bizzarrini S. p. A. in 1966. The Bizzarrini marque has become revived with numerous concept cars in the 2000s.Giotto Bizzarrini was born in Livorno, Italy in 1926. His father was a new rich landowner who originated from a family with strong roots in Tuscany plus the city of Livorno. His grandfather, also named Giotto Bizzarrini, was a biologist who had worked with Guglielmo Marconi on the inventions, especially the radio, following which one in the Livorno Library sections ended up being named The Bizzarrini Stockpile.Bizzarrini graduated as an engineer in the University of Pisa with 1953. He taught briefly just before joining Alfa Romeo in 1954. He worked for Alfa Romeo from 1954 to 1957. He began working for Ferrari in 1957, eventually becoming controller regarding experimental, Sports and GT vehicle development. He worked at Ferrari as being a developer, designer, test driver, and chief engineer with regard to five years. His developments there incorporated the Ferrari 250 TR, the Ferrari 250 GT SWB (Small Wheelbase Berlinetta or Berlinetta Passo Corto), and the 1962 Ferrari 400 GTO.

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Bizzarrini had been fired by Ferrari during the "palace revolt" of 1961. He became part of Automobili Turismo e Sports activity (ATS)), a company started from the ex-Ferrari engineers to produce a Formula 1 single seater as well as a GT sport car, the A. T. S. Serenissima.One of ATS's financial backers, Count Giovanni Volpi, owner of Scuderia Serenissima, hired Bizzarrini to up grade a Ferrari 250 GT SWB, with chassis number #2819GT to help GTO specifications. This resulted in your Ferrari 250 GT SWB Drogo also called the "Breadvan".Bizzarrini's engineering company, Societa Autostar, was commissioned to design a V-12 engine for the GT car to always be built by another not satisfied Ferrari customer, Ferruccio Lamborghini. Lamborghini considered the resulting engine to be too highly strung, and ordered that the item be detuned.

Bizzarrini worked since 1964 with regard to Iso Rivolta and formulated three models: Iso Rivolta GT, Iso Grifo both A3L and A3C versions. His work was to develop a pressed steel figure chassis for Iso automobiles. Renzo Rivolta hired him as consultant towards Iso Gordon GT project which became the Iso Rivolta GT. The Iso Gordon GT prototype was developed from the Gordon-Keeble. The Gordon Keeble GT had been designed in 1960 by Giugiaro. Bizzarrini tested the car or truck and was impressed by the powerful V8 Corvette engine and also the rear De Dion tube for the GT:'Rivolta got me test the prototype. I liked its De Dion tv and especially the Corvette motor. It was the very first time that I had driven one. It was superior to help Ferrari's engines, having the same power but which has a more immediate throttle reply. 'The Iso Rivolta GT has been a Giugiaro designed 4 seater with beautiful physique, speed, comfort and handling, and was a productive car for ISO using 799 units sold. Powered by a 327ci Chevrolet Corvette V8 engine which has a classic De Dion backed suspension design with pushed steel monocoque bodywork in excess of pressed steel frame framework. Unveiled to the media in 1963, production continued until 1970.The Iso Grifo A3L had been a monstrous idea to get a super coupé, the L coming through Lusso. The result of this brilliant Giugiaro and Bizzarrini doing work together, it was based over a shortened Iso Rivolta GT framework and was debuted at the 1963 Turin show. The Grifo epitomised the 1960s Italian style having its handsome low and broad handmade bodywork. It was the speediest production car tested simply by Autocar Magazine in 1966 that has a top speed of 160 mph (260 km/h). Later versions of the actual Grifo were powered by way of big block Chevrolet Corvette 435 bhp (324 kW; 441 PS) engine. These 90 handbuilt units are distinguishable through the raised "pagoda style" info bonnet. Some of these Iso Grifo 7 Litri models were rebuilt later with even bigger engines.

The thought of Bizzarrini was to utilize 3AL cars for competition. The competition versions from the Grifo were named Iso Grifo A3C, C for Competizione or Corsa. A new lightweight riveted lightweight alloy body was designed in addition to built by Piero Drogo. It was an boldy designed machine, oriented to endurance backrounds. It uses normal ISO underpinnings even so the engine was moved further the government financial aid the chassis frame as opposed to Grifo A3L, protruding well into the actual driver's cabin, fitted with hot cameras and fed by four big Weber carburettors, giving more than four hundred bhp (298 kW; 406 PS).

All-around 29 A3C sport cars were built underneath the ISO name. Five of these 29 cars were bodied with plastic/fiberglass by Piero Drogo on Carrozzeria Sports Cars throughout Modena. A3Cs were widely ran. Some cars entered the actual 1964 and 1965 Le Mans 24 hour, 1965 Nürburgring 1000 and also 1965 Sebring. It achieved a Le Mans class win in both years along with a 9th overall in 1965 without having factory support. A3Cs were one in the fastest cars on LeMans' Mulsanne Right in both years.

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