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Bizzarrini Ersus. p. A. was an Italian automotive manufacturer from the 1960s founded by ex - Alfa Romeo, Ferrari and ISO engineer, Giotto Bizzarrini. The company built a small number of highly developed and innovative sport and racing vehicles before failing in 1969. Notable models include the particular 5300 GT Strada as well as the P538S.Originally Prototipi Bizzarrini azines. r. l., the name was transformed to Bizzarrini S. p. A. in 1966. The Bizzarrini marque continues to be revived with several concept cars in the actual 2000s.Giotto Bizzarrini was created in Livorno, Italy in 1926. His father was any rich landowner who originated a family with solid roots in Tuscany and the city of Livorno. His grandfather, also named Giotto Bizzarrini, was a biologist who had caused Guglielmo Marconi on his inventions, especially the radio, following which one with the Livorno Library sections seemed to be named The Bizzarrini Library.Bizzarrini graduated as an engineer in the University of Pisa inside 1953. He taught briefly previous to joining Alfa Romeo inside 1954. He worked for Alfa Romeo from 1954 to 1957. He began working pertaining to Ferrari in 1957, eventually becoming controller of experimental, Sports and GT car development. He worked at Ferrari as a developer, designer, test driver, and chief engineer with regard to five years. His developments there bundled the Ferrari 250 TR, the Ferrari 250 GT SWB (Short Wheelbase Berlinetta or Berlinetta Passo Corto), and the 1962 Ferrari 300 GTO.

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Bizzarrini seemed to be fired by Ferrari in the "palace revolt" of 1961. He became part connected with Automobili Turismo e Hobby (ATS)), a company started by the ex-Ferrari engineers to develop a Formula 1 single seater and also a GT sport car, the A. T. S. Serenissima.One of ATS's fiscal backers, Count Giovanni Volpi, owner of Scuderia Serenissima, hired Bizzarrini to upgrade a Ferrari 250 GT SWB, with chassis number #2819GT to be able to GTO specifications. This resulted in this Ferrari 250 GT SWB Drogo often known as the "Breadvan".Bizzarrini's engineering company, Societa Autostar, was commissioned to design and style a V-12 engine for any GT car to become built by another disappointed Ferrari customer, Ferruccio Lamborghini. Lamborghini considered the resulting engine for being too highly strung, and ordered that the idea be detuned.

Bizzarrini worked since 1964 pertaining to Iso Rivolta and developed three models: Iso Rivolta GT, Iso Grifo both A3L in addition to A3C versions. His work was to develop a pressed steel body chassis for Iso vehicles. Renzo Rivolta hired him as consultant on the Iso Gordon GT task which became the Iso Rivolta GT. The Iso Gordon GT prototype was made from the Gordon-Keeble. The Gordon Keeble GT ended up being designed in 1960 by Giugiaro. Bizzarrini tested the car or truck and was impressed from the powerful V8 Corvette engine along with the rear De Dion tube used for the GT:'Rivolta experienced me test the prototype. I liked its De Dion tv and especially the Corvette engine. It was the very first time that I had driven one. It was superior to be able to Ferrari's engines, having the same power but which has a more immediate throttle reply. 'The Iso Rivolta GT ended up being a Giugiaro designed several seater with beautiful system, speed, comfort and handling, and was a prosperous car for ISO together with 799 units sold. Powered by a 327ci Chevrolet Corvette V8 engine having a classic De Dion raise suspension design with constrained steel monocoque bodywork in excess of pressed steel frame chassis. Unveiled to the mass media in 1963, production continued until 1970.The Iso Grifo A3L ended up being a monstrous idea for any super coupé, the L coming by Lusso. The result of this brilliant Giugiaro and Bizzarrini operating together, it was based over a shortened Iso Rivolta GT chassis and was debuted in the 1963 Turin show. The Grifo epitomised your 1960s Italian style using its handsome low and broad handmade bodywork. It was the speediest production car tested by means of Autocar Magazine in 1966 which has a top speed of 160 mph (260 km/h). Later versions of the Grifo were powered by way of a big block Chevrolet Corvette 435 bhp (324 kW; 441 PS) serps. These 90 handbuilt units are distinguishable with the raised "pagoda style" details bonnet. Some of these Iso Grifo 7 Litri models were rebuilt later with even bigger engines.

Thinking about Bizzarrini was to operate the 3AL cars for competition. The competition versions from the Grifo were named Iso Grifo A3C, C for Competizione or even Corsa. A new lightweight riveted lightweight alloy body was designed and built by Piero Drogo. It was an aggressively designed machine, oriented to endurance backrounds. It uses normal ISO underpinnings though the engine was moved further last the chassis frame as opposed to Grifo A3L, protruding well into the driver's cabin, fitted with hot cams and fed by several big Weber carburettors, giving more than 400 bhp (298 kW; 406 PS).

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About 29 A3C sport cars were built under the ISO name. Five of these twenty nine cars were bodied with plastic/fiberglass by Piero Drogo with Carrozzeria Sports Cars with Modena. A3Cs were widely competed. Some cars entered the particular 1964 and 1965 The Mans 24 hour, 1965 Nürburgring 1000 and also 1965 Sebring. It achieved a Le Mans class win in both years and also a 9th overall in 1965 without the need of factory support. A3Cs were one in the fastest cars on LeMans' Mulsanne Immediately in both years.

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