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Bizzarrini Ersus. p. A. was an Italian automotive manufacturer inside 1960s founded by past Alfa Romeo, Ferrari and ISO professional, Giotto Bizzarrini. The company built few highly developed and superior sport and racing autos 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 changed to Bizzarrini S. p. A. in 1966. The Bizzarrini marque has been revived with numerous concept cars in this 2000s.Giotto Bizzarrini was blessed in Livorno, Italy in 1926. His father was some sort of rich landowner who originated a family with strong 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 / her inventions, especially the radio, following which one with the Livorno Library sections has been named The Bizzarrini Selection.Bizzarrini graduated as an engineer inside the University of Pisa with 1953. He taught briefly ahead of joining Alfa Romeo with 1954. He worked for Alfa Romeo coming from 1954 to 1957. He began working regarding Ferrari in 1957, eventually becoming controller regarding experimental, Sports and GT car or truck development. He worked at Ferrari being a developer, designer, test driver, and chief engineer regarding five years. His developments there bundled the Ferrari 250 TR, the Ferrari 250 GT SWB (Small Wheelbase Berlinetta or Berlinetta Passo Corto), and the 1962 Ferrari three hundred GTO.

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Bizzarrini seemed to be fired by Ferrari over 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 and also 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 update a Ferrari 250 GT SWB, with chassis number #2819GT 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 pattern a V-12 engine to get a GT car to be built by another unhappy Ferrari customer, Ferruccio Lamborghini. Lamborghini considered the resulting engine to become too highly strung, and ordered that the idea be detuned.

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Bizzarrini worked since 1964 regarding Iso Rivolta and developed three models: Iso Rivolta GT, Iso Grifo both A3L along with A3C versions. His work was to produce a pressed steel shape chassis for Iso automobiles. Renzo Rivolta hired him as consultant for the Iso Gordon GT venture 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 simply by Giugiaro. Bizzarrini tested the car or truck and was impressed because of the powerful V8 Corvette engine along with the rear De Dion tube for the GT:'Rivolta acquired me test the prototype. I liked its De Dion tube and especially the Corvette serp. It was the new I had driven one. It was superior in order to Ferrari's engines, having the same power but using a more immediate throttle response. 'The Iso Rivolta GT seemed to be a Giugiaro designed 4 seater with beautiful body, speed, comfort and handling, and was a profitable car for ISO along with 799 units sold. Powered by a 327ci Chevrolet Corvette V8 engine which has a classic De Dion rear suspension design with forced steel monocoque bodywork around pressed steel frame chassis. Unveiled to the media in 1963, production continued until 1970.The Iso Grifo A3L seemed to be a monstrous idea for a super coupé, the L coming from Lusso. The result of the actual brilliant Giugiaro and Bizzarrini doing the job together, it was based on a shortened Iso Rivolta GT chassis and was debuted in the 1963 Turin show. The Grifo epitomised this 1960s Italian style using its handsome low and broad handmade bodywork. It was the quickest production car tested by simply Autocar Magazine in 1966 that has a top speed of 160 mph (260 km/h). Later versions of the particular Grifo were powered by way of big block Chevrolet Corvette 435 bhp (324 kW; 441 PS) serps. These 90 handbuilt units are distinguishable because of the raised "pagoda style" details bonnet. Some of these Iso Grifo 7 Litri models were rebuilt later with a great deal larger engines.

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

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

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