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Bizzarrini Utes. p. A. was an Italian automotive manufacturer within the 1960s founded by previous Alfa Romeo, Ferrari and ISO engineer, Giotto Bizzarrini. The company built a small amount of highly developed and state-of-the-art sport and racing vehicles before failing in 1969. Notable models include this 5300 GT Strada and also the P538S.Originally Prototipi Bizzarrini utes. r. l., the name was altered to Bizzarrini S. p. A. in 1966. The Bizzarrini marque continues to be revived with several concept cars in the particular 2000s.Giotto Bizzarrini was delivered in Livorno, Italy in 1926. His father was the rich landowner who originated a family with powerful roots in Tuscany plus 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 seemed to be named The Bizzarrini Catalogue.Bizzarrini graduated as an engineer from the University of Pisa throughout 1953. He taught briefly just before joining Alfa Romeo with 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 auto development. He worked at Ferrari being a developer, designer, test driver, and chief engineer for five years. His developments there involved the Ferrari 250 TR, the Ferrari 250 GT SWB (Small Wheelbase Berlinetta or Berlinetta Passo Corto), and the 1962 Ferrari 300 GTO.

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

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Bizzarrini worked since 1964 for Iso Rivolta and produced three models: Iso Rivolta GT, Iso Grifo both A3L as well as A3C versions. His work was to develop a pressed steel body chassis for Iso autos. Renzo Rivolta hired him as consultant on the Iso Gordon GT venture which became the Iso Rivolta GT. The Iso Gordon GT prototype originated 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 through the powerful V8 Corvette engine as well as the rear De Dion tube useful for the GT:'Rivolta acquired me test the prototype. I liked its De Dion tube and especially the Corvette serps. It was the very first time I had driven a single. It was superior to be able to Ferrari's engines, having the same power but using a more immediate throttle answer. 'The Iso Rivolta GT was a Giugiaro designed 4 seater with beautiful human body, speed, comfort and handling, and was a productive car for ISO having 799 units sold. Powered by a 327ci Chevrolet Corvette V8 engine with a classic De Dion back suspension design with pressed steel monocoque bodywork over pressed steel frame framework. Unveiled to the media in 1963, production continued until 1970.The Iso Grifo A3L had been a monstrous idea for a super coupé, the L coming coming from Lusso. The result of your brilliant Giugiaro and Bizzarrini doing the job together, it was based using a shortened Iso Rivolta GT framework and was debuted for the 1963 Turin show. The Grifo epitomised the particular 1960s Italian style with its handsome low and broad handmade bodywork. It was the fastest production car tested through Autocar Magazine in 1966 having a top speed of one hundred sixty 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) serp. These 90 handbuilt units are distinguishable by the raised "pagoda style" details bonnet. Some of these Iso Grifo 7 Litri products were rebuilt later with even bigger engines.

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The idea of Bizzarrini was to utilize the 3AL cars for rivalry. The competition versions from the Grifo were named Iso Grifo A3C, C for Competizione or even Corsa. A new lightweight riveted aluminium lightweight body was designed and also built by Piero Drogo. It was an boldy designed machine, oriented to endurance contests. It uses normal ISO underpinnings but the engine was moved further the government financial aid the chassis frame as opposed to Grifo A3L, protruding well into the particular driver's cabin, fitted with hot cams and fed by several big Weber carburettors, giving more than 500 bhp (298 kW; 406 PS).

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All around 29 A3C sport cars were built under the ISO name. Five of these twenty nine cars were bodied inside plastic/fiberglass by Piero Drogo from Carrozzeria Sports Cars within Modena. A3Cs were widely raced. Some cars entered this 1964 and 1965 Le Mans 24 hour, 1965 Nürburgring 1000 and 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 from the fastest cars on LeMans' Mulsanne Immediately in both years.

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