Grifo A3/C Bizzarrini 5300GT

Bizzarrini Utes. p. A. was an Italian automotive manufacturer in the 1960s founded by former Alfa Romeo, Ferrari and ISO industrial engineer, Giotto Bizzarrini. The company built only a few highly developed and superior sport and racing autos before failing in 1969. Notable models include the actual 5300 GT Strada as well as the P538S.Originally Prototipi Bizzarrini ersus. r. l., the name was improved to Bizzarrini S. p. A. in 1966. The Bizzarrini marque have been revived with a number of concept cars in the 2000s.Giotto Bizzarrini was created in Livorno, Italy in 1926. His father was some sort of rich landowner who originated from a family with sturdy roots in Tuscany along with 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 had been named The Bizzarrini Catalogue.Bizzarrini graduated as an engineer inside the University of Pisa throughout 1953. He taught briefly just before joining Alfa Romeo in 1954. He worked for Alfa Romeo via 1954 to 1957. He began working intended for Ferrari in 1957, eventually becoming controller regarding experimental, Sports and GT vehicle development. He worked at Ferrari being a developer, designer, test driver, and chief engineer for five years. His developments there included the Ferrari 250 TR, the Ferrari 250 GT SWB (Limited Wheelbase Berlinetta or Berlinetta Passo Corto), and the 1962 Ferrari two hundred and fifty GTO.

2008 Scuderia Bizzarrini p538 Barchetta Prototype news, pictures

Bizzarrini ended up being fired by Ferrari during the "palace revolt" of 1961. He became part associated with Automobili Turismo e Hobby (ATS)), a company started by the ex-Ferrari engineers to create a Formula 1 single seater and 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 enhance a Ferrari 250 GT SWB, with chassis number #2819GT to be able to GTO specifications. This resulted in this Ferrari 250 GT SWB Drogo also referred to as the "Breadvan".Bizzarrini's engineering company, Societa Autostar, was commissioned to layout a V-12 engine for just a GT car to possibly be built by another dissatisfied Ferrari customer, Ferruccio Lamborghini. Lamborghini considered the resulting engine being too highly strung, and ordered that this be detuned.

1965 Bizzarrini 5300 GT Strada Alloy Picture 520184 car review

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 formulate a pressed steel framework chassis for Iso autos. Renzo Rivolta hired him as consultant for the Iso Gordon GT project which became the Iso Rivolta GT. The Iso Gordon GT prototype was created from the Gordon-Keeble. The Gordon Keeble GT had been designed in 1960 simply by Giugiaro. Bizzarrini tested the vehicle and was impressed with the powerful V8 Corvette engine as well as the rear De Dion tube employed for the GT:'Rivolta had me test the prototype. I liked its De Dion tube and especially the Corvette engine. It was the very first time that I had driven 1. It was superior to help Ferrari's engines, having the same power but having a more immediate throttle reply. 'The Iso Rivolta GT ended up being a Giugiaro designed some seater with beautiful system, speed, comfort and handling, and was a productive car for ISO together 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 over pressed steel frame framework. Unveiled to the push 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 your brilliant Giugiaro and Bizzarrini doing work together, it was based with a shortened Iso Rivolta GT chassis and was debuted at the 1963 Turin show. The Grifo epitomised your 1960s Italian style with its handsome low and broad handmade bodywork. It was the speediest production car tested simply by Autocar Magazine in 1966 with a top speed of one hundred sixty mph (260 km/h). Later versions of the Grifo were powered by the big block Chevrolet Corvette 435 bhp (324 kW; 441 PS) motor. These 90 handbuilt units are distinguishable by the raised "pagoda style" info bonnet. Some of these Iso Grifo 7 Litri products were rebuilt later with even bigger engines.

Images by Tom Gidden, courtesy of RM Sotheby’s

Thinking about Bizzarrini was to operate the 3AL cars for competitors. The competition versions with the Grifo were named Iso Grifo A3C, C for Competizione or perhaps Corsa. A new lightweight riveted aluminium lightweight body was designed in addition to built by Piero Drogo. It was an more boldly designed machine, oriented to endurance events. It uses normal ISO underpinnings nevertheless the engine was moved further in the chassis frame compared to Grifo A3L, protruding well into the particular driver's cabin, fitted with hot cameras and fed by some big Weber carburettors, giving more than 600 bhp (298 kW; 406 PS).

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All-around 29 A3C sport cars were built within the ISO name. Five of these up to 29 cars were bodied within plastic/fiberglass by Piero Drogo on Carrozzeria Sports Cars with Modena. A3Cs were widely ran. Some cars entered the particular 1964 and 1965 The Mans 24 hour, 1965 Nürburgring 1000 in addition to 1965 Sebring. It achieved a The Mans class win in both years and also a 9th overall in 1965 without having factory support. A3Cs were one from the fastest cars on LeMans' Mulsanne Directly in both years.

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