WSC60 Iso Grifo A3/C

wsc_legends_iso_grifo_a3c

Used at THR from 2024 to 2024

Brand: WSC60 Legends
Country: Italy
Class: Prototype +5000
Year: 1965
Author: Velo, Team WSC Legends
Version: 1.3
Power: 405 bhp
Torque: 488 Nm
Weight: 1083 kg
Top speed: 304 km/h
Acceleration: 6.3s 0-100
Power / weight: 2.67 kg/hp

3d Model by: Velo, enhanced by DrDoomslab.Thanks to his test-driving and engineering skills, Giotto Bizzarrini was hired by Ferrari in 1957. Here he first fine-tuned existing models and eventually was given the responsibility to develop a new line of GT racers. He was busy developing the 250 GTO, when he together with a number of other key people left the company in the infamous 'palace revolution' of 1961. Bizzarrini started as a consultant for Count Volpi for whom he created the 'Breadvan' Ferrari and for Feruccio Lamborghini for whom he designed the V12 engine that would power Lamborghini sports cars for decades to come.In 1962, he teamed up with Renzo Rivolta, who was turning his Iso company into a manufacturer of sports cars. Bizzarrini's first job was to help develop a sophisticated platform chassis for the 'Iso Rivolta' 2+2 coupe. He was then commissioned to turn the Iso Grifo A3/L two-seater into a race winning machine; this was most certainly more up his ally. Pretty much independent from Iso, he conceived the exceptionally low A3/C that was an Iso Grifo in name only.One of Bizzarrini's priorities had always been to mount the engine as far back in the chassis for a good weight balance and with the A3/C he took it one step further; the engine pertruded so far into the cabin that the distributors had to be accessed through small latches in the dashboard. The engine itself was a Corvette derived V8 engine, that in competition spec produced an impressive 405 bhp. Bizzarrini worked in close cooperation with Bertone's Giorgietto Giugiaro to sculpt the A3/C's aluminium skin. Being a racing car, the main priority was to create as little frontal area as possible, but nevertheless the result was quite pleasing to the eye. Drogo constructed the body for Bizzarrini.Two Grifos were displayed at the 1963 Turin Auto Show and they were literally the talk of the show. The prototype racing car was sold then and there and Bizzarrini also received an order from American Ed Hugus, who wanted to race a Grifo A3/C in the upcoming Sebring 12 Hours race.The car still bore the Iso badge, but they were built by Bizzarrini's men in his own workshop. Alongside the racing car, a road going version of the A3/C was also produced. In Hugus' hands, the A3/C made its racing debut early in 1964. It proved quite competitive until it was thrown down the leaderboard with transmission problems. The gearbox had to be swapped twice and the car eventually finished in a lowly 39th position.Back in Europe, the first A3/C also showed great potential and clocked the tenth fastest time during the Le Mans trials. A new car was readied for the Le Mans race and it was on its way to a very commendable finish when a poorly installed fresh brake pad ripped the rotor to pieces. Two hours were lost and the Grifo could do no better than fourteenth. It was the start of a pretty successful racing career, highlighted by a class win in the 1965 24 Hours of Le Mans. The press was understandably impressed by the racing successes and even more so by the performance of the road going A3/Cs, which still packed a 365 bhp punch. Especially the road holding received universal acclaim.n the summer of 1965 the relationship between Rivolta and Bizzarrini quickly deteriorated. The Iso owner wanted Bizzarrini to put his successful A3/C Stradale into series production, but Bizzarrini was far more interested in continuously improving the car. The two ideas conflicted and eventually all ties were severed. Bizzarrini was now fully indepent and while Iso continued to deliver parts, he was not allowed to use the Grifo name. From then on, after about two dozen Grifo A3/Cs were built, the cars were marketed as the Bizzarrini 5300 GT. The racing cars received the 'Corsa' monniker and the road cars were badged 'Strada'. Not much later the Strada was joined by the 'America' model, which sported a fiberglass body and a double wishbone rear suspension.

#WSC60rwdmanualvintageraceItalyLe MansPrototype +5000wsc_legends

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Championships1

Events1

Race sessions1

Drivers1

Years active2024–2024

Starts1

Wins0

Race laps1

Race distance42 km

Race time0.3 h

Championship	Period	Events	Starts	Wins	Drivers	Race laps
WSC at LA Canyons - Practice Races	2024	1	1	0	1	1