The Jaguar XK120 was manufactured in England by Jaguar Car Ltd. between 1948 and 1954. The XK was the first post-war from the marque, succeeding the SS 100 which ended production in 1940 after the start of World War II. The XK120 was launched at the 1948 London Motor Show and highlighted the new XK engine. The XK engine is a dual overhead cam 3.4-liter, straight 6 with an alloy cylinder head and twin side-draft SU carburetors that develops 160 horsepower. 'The Motor' magazine reported a top speed of 124.6 mph in 0 to 60 in 10 seconds making it among the most powerful of sports cars. This XK is among the first 240 manufactured with alloy bodies on ash framework and was raced extensively by Roger Barlow of International Motors in Los Angeles, with mechanic Phil Hill.
The Jaguar XK120 celebrated its 60th birthday in 2008. The XK120 was the first sports car produced by Jaguar after the war. The name '120' came from the impressive 120 mph top speed of this vehicle.
The XK120 was a very important model for Jaguar. The company's impact on sports cars and road racing can't be overstated. During the early 1950's, road racing in California was taking off. International Motors was the authorized Jaguar Dealer in Hollywood, California and Roger Barlow was its owner. Barlow helped with the founding of the California Sports Car club.
Many of the early pioneers in racing came thru Barlow's International Motors. Phil Hill started as a young mechanic there. John Von Newman, Richie Ginther, Stan Nowak and other raced or were associated with the dealership.
This example is a rare alloy-bodied version. It was owned and raced by Roger Barlow. In fact, it competed at the very first California Sports Car Club race on April 16, 1950. While it still wears its race gear, the car has been judged at JCNA meets and has been celebrated at shows around the country. By Daniel Vaughan | Aug 2008
In October of 1948 at the Earls Court Motor Show in London, Britain witnessed the emergence of the Jaguar XK120. It was a show-piece car for the Jaguar name and intended to be produced in low volume as a 'specialty car'. Initially dubbed the XK Open Two Seater Super Sport, it was quickly changed to the XK 120 to capitalize on the vehicles top speed - 120 miles per hour. The 'X' represented the 'experimental' engine type while the letter 'K' was the sequence.
William Lyons, the creator and owner of the Jaguar Cars Ltd. Company, had commissioned the chief engineer William Heynes to develop a modern sedan that could endure the post-war market place. What was designed and coupled to a six-cylinder dual overhead cam engine was truly a masterpiece that has stood the test of time.
The 120 mile-per-hour fact was important; it made it the fastest standard production car in the world. The success of this vehicle was based on its performance, styling and value. Priced very affordably, it was often much less than the competition. The problem was that the XK 120 was intended to be produced in low volume. The very early models featured an aluminum body. After the introduction the demand for the vehicle was overwhelming. The body material was changed to metal so it could be produced on a production line, thus eliminating the need for the slow process of hand building each vehicle. Two-hundred and thirty-nine examples were produced with the aluminum shell. Most, except five or six models, were exported. The metal body was nearly identical to the aluminum except for some hard-to-spot panels that had minor differences in the curvature.
The XK 120 featured a 3442 cc 6-cylinder engine producing 160 horsepower. The XK 120 SE produced 180 horsepower while the XK 120M produced 210. Maximum horsepower was achieved around 5000 RPM. Hydraulic drum brakes were fitted on all four tires. A four-speed manual gearbox was standard while the SE models received Overdrive to increase the performance. The front suspension was independent with a live rear axle. After 1951 a heater was included as standard equipment.
The XK 120 was durable. In 1952 a XK 120 coupe was driven on a track in Montlhery, France by a team of racing drivers including the famous Stirling Moss. For seven days and night the vehicle was driven constantly. At the completion of the week, it had traveled over 16,860 miles and averaged 100 mph.
In 1951 the XK 120 was entered in the grueling 24-hour of Le Mans race. Three vehicles were purpose-built and dubbed the XK 120C model. The 'C' represented 'competition. This would be the first of five Jaguar victories at Le Mans in seven years. A Jaguar XK 120C won the event while averaging 93.49 miles-per-hour.
In the United States, Jaguar along with MG, are credited with jump-starting the American Sports Car market after World War II. Chevrolet would later answer with their Corvette. It was the sensual styling and performance of the British cars that stimulated the desires of the American public. Road & Track magazine performed independent testing and found the vehicle capable of 121.6 mph and a zero-to-sixty time of 10.1 seconds. It was claimed by many as the greatest touring car in the world.
The XK 120 was produced from 1949 through 1954 when it was replaced with the XK 140. During its life span 7,630 roadsters, 2,678 coupes and 1,769 convertibles were produced. Roadsters were dubbed 'OTS' or Open Top Sportsters. The 'DHC' meant 'Drop Head Coupe' while 'FHC' represented 'Fixed Head Coupe. By Daniel Vaughan | Jun 2008
JAGUAR – 75 YEARS LOOKING FORWARD
This year marks the 75th anniversary of the Jaguar name, and 75 years of lòòking forward, designing and building cars that represent the very best of technical innovation, design leadership and sporting success.
Mike O'Driscoll, Managing Director of Jaguar Cars, said: 'In 2010 we celebrate our past, and 75 years of designing and building cars that celebrate the art of automobile making. We're also celebrating the promise of the future, and the introduction of the all-new XJ. In just three years we've completely revitalized the Jaguar line-up wîth the launch of three beautiful fast cars'.
Just a few years ago Jaguar set out to re-make the brand and to revitalize the model range. It started in 2008 wîth the introduction of the all-new award-winning XF. This four door, five seat car has the looks of a coupe and the heart of a sports car. In 2009 Jaguar re-engineered the XK coupe and convertible, and in the process created one of the world's great grand tourers. And, 2010 sees the beginning of sales of the ground-breaking XJ, which incorporates all of the virtues that make a Jaguar.
Mike O'Driscoll added: 'The development of our new range of cars is all part of making Jaguar the modern, sporting company that it was under our founder Sir Williams Lyons – a company that made its name creating cars that were innovative, exciting and always original.'
Ian Callum, Jaguar Design Director, said: 'Jaguar design over the next 75 years must respect and reflect on the past 75 while continuing to push boundaries of technology, luxury and sporting style. Designing cars wîth a presence that demands a turn of the head and an allure that pulls at the heart has been central to the Jaguar brand throughout the years.
'A successful piece of design should stand the test of time, holding it's own through passing fashions. Jaguar has a range of cars that are as iconic today as they were when launched – testament to Jaguar's legacy in creating beautiful fast cars.
'Looking at the present wîth the XK, XF and all-new XJ and wîth an eye on the future, we will continue to innovate and set the benchmark, not only in automotive design, but in luxury premium design as a whole.'
Sir William Lyons founded Swallow Sidecars in 1922, and went on to create a range of 'SS' branded motorcycle sidecars and automobiles in the 1920s and early 1930s. When it came to the launch of the all-new SS 100 in 1935, Sir William wanted a new and evocative name for his company. After asking his advertising agency for suggestions, Sir William chose 'Jaguar', and the SS 100 model became the world's first Jaguar.
The ‘Jaguar' name was an ideal choice - it represented the feline grace and elegance, power and agility that set his cars apart. Sir William once said that a car 'was the closest thing we can create to something that is alive', a sentiment that has stood the test of time. The new brand name captured the essence of all of the cars created from that point forward.
Over the years Jaguar has built some of the world's most iconic cars; the XK120, introduced in the late 1940s, was an instant sensation and the most glamorous sports car of the period; the C Type and D Type race cars that followed, dominated motor racing in the 1950s; the E-Type, launched in the heady 1960s, has been called the most beautiful car ever built and it defined a whole generation. Sports cars have always defined Jaguar, but the Company has also built some of the Industry's most memorable sedans, such as the Mark II in the early 1960's and the renowned XJ range.
During the year Jaguar will celebrate our 75th anniversary at some of the world's most glamorous automotive settings, including the Goodwood Festival of Speed and Revival in the ÚK; the Concours D'Elegance at Pebble Beach in the ÚS and at the Mille Miglia classic in Italy. Jaguar is also returning to the racetrack wîth its new JaguarRSR XKR GT2 and will compete in the American Le Mans Series (ALMS).Source - Jaguar
All Jaguar 120's built between 1948 and 1950 (242 in total) were essentially hand built, with aluminum bodies on ash frames. The 120 was powered by the in-line six with dual overhead camshafts and twin side-draft SU carburetors. With standard compression (8:1) it developed 160 horsepower. That engine, with modifications, remained in production through 1987.
The 120 chassis featured independent torsion bar front suspension, leaf springs at the rear, recirculating ball steering, and front and rear drum brakes (that were prone to fade).
The Jaguar XK120 was designed to be a prestigious vehicle and produced in low numbers. The designation '120' represented the vehicles top speed of 120 miles-per-hour. At the time, it was the fastest production car in the world. The British automotive industry was greatly influenced by World War II. Many manufacturers went out of business due to the lack of funds, fuel and supply shortages, or their factories had been destroyed during the war. In order to stay in business, a solid production line was required that could compete with its class of vehicles. William Lyons, owner of Jaguar, did so by creating a new class - one that was faster, more reliable, stylish, and cheaper than any other vehicle on the market.
To gain industry recognition, Lyons knew that he needed a show car that was revolutionary and bold. Lyons handled the styling while his chief engineer, William Heynes, was tasked with designing the mechanical components. When the vehicle was displayed at Earls Court, the reaction was overwhelming. Originally, Lyons planned to make between 100 and 200 examples. After the public reaction to the car and to keep up with demand, he decided to change the body from hand-formed aluminum to all-steel construction.
The body of the car was reminiscent to the 'French Curves' produced by manufacturers such as Bugatti and Delahaye of the early 1930's and 1940's. They were created in three different body styles, roadster, fixed head, and drop head (convertible).
The vehicle was powered by a 160 horsepower, 3.4 liter, inline-six cylinder engine. Peak horsepower was achieved at 5000 RPM. The 120-mph was the promised speed, the top speed of the vehicle was around 126-132 mph depending on the trim of the vehicle.
The vehicle was designed as a touring car. However, many of the vehicles were raced. Their main weaknesses were their drum brakes which wore quickly, and their steering which was heavy and less responsive when compared to other purpose-built racing vehicles.
In 1951, Jaguar entered the grueling 24-hour of Le Mans endurance race. Three XK120C, the 'C' representing 'competition', were entered. One of the three entrants won the event.
In 1952, an XK120 was driven continuously for seven days and nights around a track located in Montlhery, France. After more than 16,000 miles in one week, the vehicle once again proved its endurance capabilities.
In 1954 production ceased. Over 12,000 examples were produced. By Daniel Vaughan | May 2008
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