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Bizzarrini S. p. A. was an Italian automotive manufacturer from the 1960s founded by ex- Alfa Romeo, Ferrari and ISO manufacture, Giotto Bizzarrini. The company built few highly developed and sophisticated sport and racing cars before failing in 1969. Notable models include this 5300 GT Strada as well as the P538S.Originally Prototipi Bizzarrini ersus. r. l., the name was transformed to Bizzarrini S. p. A. in 1966. The Bizzarrini marque may be revived with quite a few concept cars in the particular 2000s.Giotto Bizzarrini was given birth to in Livorno, Italy in 1926. His father was a new 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 their inventions, especially the radio, following which one of the Livorno Library sections ended up being named The Bizzarrini Catalogue.Bizzarrini graduated as an engineer inside University of Pisa in 1953. He taught briefly previous to joining Alfa Romeo in 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 being a developer, designer, test driver, and chief engineer intended 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 has been fired by Ferrari in the "palace revolt" of 1961. He became part associated with Automobili Turismo e Sports activity (ATS)), a company started with the ex-Ferrari engineers to build a Formula 1 single seater and 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 up grade a Ferrari 250 GT SWB, with chassis number #2819GT in order to GTO specifications. This resulted in the particular Ferrari 250 GT SWB Drogo also called the "Breadvan".Bizzarrini's engineering company, Societa Autostar, was commissioned to pattern a V-12 engine to get a GT car to become built by another discontented Ferrari customer, Ferruccio Lamborghini. Lamborghini considered the resulting engine to become too highly strung, and ordered that that be detuned.

Mini Workshop Manual

Bizzarrini worked since 1964 intended for Iso Rivolta and formulated three models: Iso Rivolta GT, Iso Grifo both A3L as well as A3C versions. His work was to produce a pressed steel figure chassis for Iso cars and trucks. Renzo Rivolta hired him as consultant on the Iso Gordon GT undertaking which became the Iso Rivolta GT. The Iso Gordon GT prototype got its start from the Gordon-Keeble. The Gordon Keeble GT has been designed in 1960 by means of Giugiaro. Bizzarrini tested the vehicle and was impressed because of the powerful V8 Corvette engine plus the rear De Dion tube useful for the GT:'Rivolta had me test the prototype. I liked its De Dion tubing and especially the Corvette serps. It was the new I had driven one. It was superior to help Ferrari's engines, having the same power but with a more immediate throttle reaction. 'The Iso Rivolta GT seemed to be a Giugiaro designed several seater with beautiful entire body, speed, comfort and handling, and was a profitable car for ISO using 799 units sold. Powered by a 327ci Chevrolet Corvette V8 engine having a classic De Dion backed suspension design with forced steel monocoque bodywork above pressed steel frame framework. Unveiled to the media in 1963, production continued until 1970.The Iso Grifo A3L was a monstrous idea for a super coupé, the L coming through Lusso. The result of the actual brilliant Giugiaro and Bizzarrini operating together, it was based using a shortened Iso Rivolta GT chassis and was debuted with the 1963 Turin show. The Grifo epitomised the actual 1960s Italian style which consists of handsome low and broad handmade bodywork. It was the fastest production car tested simply by Autocar Magazine in 1966 using a top speed of one hundred sixty mph (260 km/h). Later versions of this Grifo were powered by way of big block Chevrolet Corvette 435 bhp (324 kW; 441 PS) serp. These 90 handbuilt units are distinguishable because of the raised "pagoda style" details bonnet. Some of these Iso Grifo 7 Litri devices were rebuilt later with a whole lot larger engines.

Mini Workshop Manual

The thought of Bizzarrini was to use the 3AL cars for levels of competition. The competition versions from the Grifo were named Iso Grifo A3C, C for Competizione or perhaps Corsa. A new lightweight riveted aluminium lightweight body was designed along with built by Piero Drogo. It was an more boldly designed machine, oriented to endurance races. It uses normal ISO underpinnings though 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 cams and fed by several big Weber carburettors, giving more than 400 bhp (298 kW; 406 PS).

Around 29 A3C sport cars were built beneath the ISO name. Five of these up to 29 cars were bodied with plastic/fiberglass by Piero Drogo from Carrozzeria Sports Cars in Modena. A3Cs were widely competed. Some cars entered the 1964 and 1965 The Mans 24 hour, 1965 Nürburgring 1000 in addition to 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 Directly in both years.

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