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Bizzarrini S. p. A. was an Italian automotive manufacturer from the 1960s founded by former Alfa Romeo, Ferrari and ISO professional, Giotto Bizzarrini. The company built a small amount of highly developed and sophisticated sport and racing motor vehicles before failing in 1969. Notable models include your 5300 GT Strada plus the P538S.Originally Prototipi Bizzarrini s. r. l., the name was transformed to Bizzarrini S. p. A. in 1966. The Bizzarrini marque may be revived with numerous concept cars in this 2000s.Giotto Bizzarrini was born in Livorno, Italy in 1926. His father was any rich landowner who originated 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 the inventions, especially the radio, following which one of the Livorno Library sections seemed to be named The Bizzarrini Catalogue.Bizzarrini graduated as an engineer within the University of Pisa with 1953. He taught briefly before joining Alfa Romeo with 1954. He worked for Alfa Romeo through 1954 to 1957. He began working for Ferrari in 1957, eventually becoming controller of experimental, Sports and GT vehicle development. He worked at Ferrari being a developer, designer, test driver, and chief engineer intended for five years. His developments there included 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 over the "palace revolt" of 1961. He became part connected with Automobili Turismo e Sport (ATS)), a company started with 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 upgrade a Ferrari 250 GT SWB, with chassis number #2819GT to be able to GTO specifications. This resulted in the Ferrari 250 GT SWB Drogo also known as the "Breadvan".Bizzarrini's engineering company, Societa Autostar, was commissioned to pattern a V-12 engine for any GT car to possibly be built by another discontented Ferrari customer, Ferruccio Lamborghini. Lamborghini considered the resulting engine being too highly strung, and ordered that it be detuned.

Bizzarrini worked since 1964 pertaining to Iso Rivolta and designed three models: Iso Rivolta GT, Iso Grifo both A3L and A3C versions. His work was to formulate a pressed steel frame chassis for Iso cars and trucks. Renzo Rivolta hired him as consultant towards Iso Gordon GT undertaking which became the Iso Rivolta GT. The Iso Gordon GT prototype was developed from the Gordon-Keeble. The Gordon Keeble GT was designed in 1960 by means of Giugiaro. Bizzarrini tested the automobile and was impressed because of the powerful V8 Corvette engine plus the rear De Dion tube used for the GT:'Rivolta got me test the prototype. I liked its De Dion pipe and especially the Corvette serp. It was the new I had driven one. It was superior for you to Ferrari's engines, having the same power but having a more immediate throttle answer. 'The Iso Rivolta GT seemed to be a Giugiaro designed some seater with beautiful body, speed, comfort and handling, and was a effective car for ISO together with 799 units sold. Powered by a 327ci Chevrolet Corvette V8 engine using a classic De Dion backside suspension design with hard pressed steel monocoque bodywork in excess of pressed steel frame framework. Unveiled to the press in 1963, production continued until 1970.The Iso Grifo A3L had been a monstrous idea for the super coupé, the L coming through Lusso. The result of this brilliant Giugiaro and Bizzarrini working together, it was based using a shortened Iso Rivolta GT chassis and was debuted at the 1963 Turin show. The Grifo epitomised the 1960s Italian style which consists of handsome low and wide handmade bodywork. It was the quickest production car tested through Autocar Magazine in 1966 with a top speed of one hundred sixty mph (260 km/h). Later versions of the Grifo were powered by a big block Chevrolet Corvette 435 bhp (324 kW; 441 PS) powerplant. These 90 handbuilt units are distinguishable through the raised "pagoda style" information bonnet. Some of these Iso Grifo 7 Litri items were rebuilt later with a great deal larger engines.

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The concept of Bizzarrini was to utilize the 3AL cars for competition. The competition versions of the Grifo were named Iso Grifo A3C, C for Competizione or Corsa. A new lightweight riveted aluminium body was designed and also built by Piero Drogo. It was an more boldly designed machine, oriented to endurance events. It uses normal ISO underpinnings even so the engine was moved further the government financial aid the chassis frame compared to Grifo A3L, protruding well into the actual driver's cabin, fitted with hot cams and fed by 4 big Weber carburettors, giving more than 300 bhp (298 kW; 406 PS).

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

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