Bizzarrini Utes. p. A. was an Italian automotive manufacturer from the 1960s founded by previous Alfa Romeo, Ferrari and ISO engineer, Giotto Bizzarrini. The company built few highly developed and innovative sport and racing automobiles before failing in 1969. Notable models include the 5300 GT Strada plus the P538S.Originally Prototipi Bizzarrini utes. r. l., the name was changed to Bizzarrini S. p. A. in 1966. The Bizzarrini marque has become revived with numerous concept cars in the particular 2000s.Giotto Bizzarrini was created in Livorno, Italy in 1926. His father was any rich landowner who originated from a family with solid roots in Tuscany as well as the city of Livorno. His grandfather, also named Giotto Bizzarrini, was a biologist who had caused Guglielmo Marconi on his or her inventions, especially the radio, following which one on the Livorno Library sections seemed to be named The Bizzarrini Selection.Bizzarrini graduated as an engineer inside University of Pisa inside 1953. He taught briefly before joining Alfa Romeo inside 1954. He worked for Alfa Romeo via 1954 to 1957. He began working regarding Ferrari in 1957, eventually becoming controller associated with experimental, Sports and GT vehicle development. He worked at Ferrari as a developer, designer, test driver, and chief engineer pertaining to five years. His developments there included the Ferrari 250 TR, the Ferrari 250 GT SWB (Quick Wheelbase Berlinetta or Berlinetta Passo Corto), and the 1962 Ferrari 300 GTO.
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Bizzarrini was fired by Ferrari through the "palace revolt" of 1961. He became part associated with Automobili Turismo e Sport (ATS)), a company started from the ex-Ferrari engineers to create a Formula 1 single seater along with a GT sport car, the A. T. S. Serenissima.One of ATS's personal backers, Count Giovanni Volpi, owner of Scuderia Serenissima, hired Bizzarrini to enhance a Ferrari 250 GT SWB, with chassis number #2819GT for you to GTO specifications. This resulted in the actual Ferrari 250 GT SWB Drogo also known as the "Breadvan".Bizzarrini's engineering company, Societa Autostar, was commissioned to layout a V-12 engine for the GT car to always be built by another discontented 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 for Iso Rivolta and formulated three models: Iso Rivolta GT, Iso Grifo both A3L as well as A3C versions. His work was to build up a pressed steel body chassis for Iso vehicles. Renzo Rivolta hired him as consultant towards Iso Gordon GT task which became the Iso Rivolta GT. The Iso Gordon GT prototype originated from the Gordon-Keeble. The Gordon Keeble GT has been designed in 1960 by means of Giugiaro. Bizzarrini tested the automobile and was impressed with the powerful V8 Corvette engine as well as the rear De Dion tube for the GT:'Rivolta received me test the prototype. I liked its De Dion tv and especially the Corvette serps. It was the very first time that I had driven a single. It was superior in order to Ferrari's engines, having the same power but having a more immediate throttle reply. 'The Iso Rivolta GT had been a Giugiaro designed 4 seater with beautiful human body, speed, comfort and handling, and was a prosperous car for ISO having 799 units sold. Powered by a 327ci Chevrolet Corvette V8 engine having a classic De Dion raise suspension design with pushed 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 has been a monstrous idea for just a super coupé, the L coming from Lusso. The result of this brilliant Giugiaro and Bizzarrini doing the job together, it was based on the shortened Iso Rivolta GT framework and was debuted at the 1963 Turin show. The Grifo epitomised the actual 1960s Italian style using its handsome low and extensive handmade bodywork. It was the speediest production car tested by means of Autocar Magazine in 1966 which has a top speed of one hundred sixty mph (260 km/h). Later versions of the Grifo were powered by way of big block Chevrolet Corvette 435 bhp (324 kW; 441 PS) engine. These 90 handbuilt units are distinguishable from the raised "pagoda style" info bonnet. Some of these Iso Grifo 7 Litri models were rebuilt later with a whole lot larger engines.
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The idea of Bizzarrini was to utilize 3AL cars for competitors. The competition versions with the Grifo were named Iso Grifo A3C, C for Competizione or maybe Corsa. A new lightweight riveted lightweight alloy body was designed and also built by Piero Drogo. It was an more boldly designed machine, oriented to endurance backgrounds. 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 some big Weber carburettors, giving more than 600 bhp (298 kW; 406 PS).
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Close to 29 A3C sport cars were built beneath ISO name. Five of these twenty nine cars were bodied inside plastic/fiberglass by Piero Drogo from Carrozzeria Sports Cars in Modena. A3Cs were widely raced. Some cars entered this 1964 and 1965 The Mans 24 hour, 1965 Nürburgring 1000 along with 1965 Sebring. It achieved a Le Mans class win in both years along with a 9th overall in 1965 without any factory support. A3Cs were one of the fastest cars on LeMans' Mulsanne Right in both years.
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