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Thursday, September 22, 2022

Did you ever knew this one-off Iso Rivolta Daytona sports car?

~ONE Off~ The naming of the car produced by the mostly automakers in the world are usually made for the reasons of market trends, designs, history, even related to several world's famous racing events such Daytona 500, 24 Hours of Le Mans, 12 Hours of Sebring and others. But specifically this time we would discussed about the 'Daytona' name considered as one of the names that might be often used by the automotive manufacturers for their car models.
The one-off Iso Rivolta Daytona aka. Nembo-1 is built in 1965 by the famous Neri & Bonacini (Nembo) coachbuilder, and based on the early design sketches of Giotto Bizzarrini. (Picture from: Supercars.net)
As quoted of Wikipedia, the name refers to the Daytona International Speedway which is one of the American famous circuits where the NASCAR annual racing was held routinely. So to this day you may have known about the Shelby Cobra Daytona Coupé, Ferrari 365 GTB/4 Daytona Coupé, Dodge Charger Daytona, Chevrolet Corvette Daytona, and the latest Ferrari Daytona SP3, etc. Did you ever heard or even knew about the Iso Rivolta Daytona before?
The one-off Iso Rivolta Daytona's lightweight aluminum bodywork installed on the chassis of early Iso Rivolta. (Picture from: Supercars.net)
It's natural if you do not know about this Italian classic sports car, because it's one of the cars made in 1965 by an Italian automaker called Iso. As we all know, this Bresso, Milan based company owned by Renzo Rivolta which was originally a refrigerator manufacturer, later expanded its business to produce scooters. As time goes by, then this Italian company branched out and made its own Iso Rivolta, which in its brochure, the car was described as a "new concept of high-performance motoring" that combined Italian engineering and Bertone styling with a cheap and reliable American V8.
The one-off Iso Rivolta Daytona looked like a short-wheel-base Grifo A3/C with the same tail and windshield but had a large front grille plus a unique feature was the roll-down rear-windscreen. (Picture from: Supercars.net)
While the original concept was a large four-seat, road-going tourer, besides for several early chassis were converted into lightweight sports cars, and one of them was the Iso Rivolta Daytona. Uniquely, the Daytona was built after this manufacturer produced the Iso Grifo which was designed by Giotto Bizzarrini as both a road legal and race cars. Unfortunately the collaboration between Renzo Rivolta and Giotto Bizzarrini did not last long and had to end in 1965, however, Iso still wanted to continue making race cars that would be used to race in the prestigious 24 Hours of Le Mans at that time.
The one-off Iso Rivolta Daytona's interior accomodated only two seats with a stylish steering wheel and sporty panel instruments arrangement on its dashboard. (Picture from: Supercars.net)
Well, to smooth out its intention to make a worthied racing car to speed at such prestigious event, the Italian automaker decided to use a specially prepared body was made from aluminum and only had room for two seats built on the Iso Rivolta's chassis. And the whole process of the car building was executed by the Modena-based coachbuilder Neri & Bonacini (Nembo), based on the early design sketches by Bizzarrini.
The one-off Iso Rivolta Daytona is poweres by a Corvette's V8 engine mated to a four-speed close ratio gearbox and a Power-Loc equipped Salisbury differential which is definitely outstanding. (Picture from: Supercars.net)
Upon completion, the first car to be given a light color finish was dubbed the Nembo-1 which looked like a short-wheel-base Grifo A3/C with the same tail and windshield but had a large front grille plus a unique feature was the roll-down rear-windscreen.
Uniquely, the one-off Iso Rivolta Daytona featured with roll-down rear-windscreen. (Picture from: Supercars.net)
For performance, this car relies on the performance of a Corvette's V8 engine mated to a four-speed close ratio gearbox and a Power-Loc equipped Salisbury differential which is definitely outstanding. As for the suspension, relying on double wishbones upfront but the rear was quite complex. It used a de Dion-type axle with trailing arms and Watts link with inboard disc brakes.
In 2000, the Iso Rivolta Daytona has experienced a thorough ground up restoration which included several body alterations such the front hood scoop was changed, added two new scoops for cockpit ventilation, side mirrors and the windows were changed from sliding to a pull up system. (Picture from: Supercars.net)
This car is included a very rare item, because it was made in 1965 only one unit for Carlo Bernasconi of Milan which was noted as the owner until 1991, then it sold to the next owner, Binie William. It was then fully restored by Paul Lanzante in England included knock-off Campagnolo alloy wheels. In such fit condition at the time, this car had won the 1997 Italian National Hill Climb Championship for the GT Prototype Class and placed 7th in the 6 hours of SPA in 2000.
The one-off Iso Rivolta Daytona also got a splendid and lavish interior, complete with matching gauges and tan leather upholstery. (Picture from: Supercars.net)
In 2000, the car handed over again to a new American owner who acquired it at a Coys auction for $857,640 which then commissioned a thorough ground up restoration. This included a splendid and lavish interior, complete with matching gauges and tan leather upholstery. Some body alterations were made like the front hood scoop was changed, two new scoops were added for cockpit ventilation, a side mirror was added and the windows were changed from sliding to a pull up system.
The one-off Iso Rivolta Daytona also got an engine revitalization by Ron Shaver with a crossover manifold and 48 DCO 2SP Weber carburetors to produce 490 bhp. (Picture from: Supercars.net)
While for its engine revitalization is done by Ron Shaver with a crossover manifold and 48 DCO 2SP Weber carburetors to produce 490 bhp. This freshly looking car appeared at the 2004 Monterey Historic Races acclaimed much surprised and praised.

In 2007 the car again appeared at the Monterey Pre-Historics to test out its new Canepa Design suspension. The extensive work included new suspension pickup points for new shock mounts and roller spline axles. Adjustable Koni shocks were fitted and offered a lower ride height. 
We're apologized due to video above is not about the Iso Rivolta Daytona, instead a digitalized concept Iso Rivolta GTZ designed by Zagato and launched back in 2017. *** [EKA | FROM VARIOUS SOURCES | SUPERCARS.NET | WIKIPEDIA ]
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