GM X Platform (RWD)
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GM X Platform (RWD)
The General Motors X platform (also called X-body) is an automobile platform designation that was used for compact cars with rear-wheel drive. Developed by Chevrolet, the architecture was produced from the 1962 to 1979 model years. During the 1970s, the platform was used by multiple GM divisions as the company expanded its use of compact model lines. For 1980, the platform was discontinued and the X-body designation was reused for its downsized successor, the first front-wheel drive compact car architecture produced by General Motors. Overview The X-platform is a rear-wheel drive architecture that was introduced by Chevrolet for 1962 as a more conventional alternative to both the Y-platform compacts of Buick, Pontiac, and Oldsmobile, and the Z-platform Chevrolet Corvair, with Chevrolet debuting the architecture for 1962 with the Chevy II compact sedan. Using a semi-unibody configuration, the X-platform body was a unitized body from the firewall rearward with frame rail ...
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General Motors
The General Motors Company (GM) is an American Multinational corporation, multinational Automotive industry, automotive manufacturing company headquartered in Detroit, Michigan, United States. It is the largest automaker in the United States and was the largest in the world for 77 years before losing the top spot to Toyota in 2008. General Motors operates manufacturing plants in eight countries. Its four core automobile brands are Chevrolet, Buick, GMC (automobile), GMC, and Cadillac. It also holds interests in Chinese brands Wuling Motors and Baojun as well as DMAX (engines), DMAX via joint ventures. Additionally, GM also owns the BrightDrop delivery vehicle manufacturer, GM Defense, a namesake Defense vehicles division which produces military vehicles for the United States government and military; the vehicle safety, security, and information services provider OnStar; the auto parts company ACDelco, a GM Financial, namesake financial lending service; and majority ownership in t ...
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Pontiac Ventura
The Pontiac Ventura was an automobile model that was produced by Pontiac. As was common practice at the time, its name was derived from Ventura, California, joining other similarly derived models such as the fellow Pontiac Catalina, the Chevrolet Malibu, and the rival Mercury Monterey. The Ventura started out as a higher content trim package on the Pontiac Catalina, and served as the inspiration for the luxury content Pontiac Grand Prix in 1962, then remained as a trim package on the Catalina until 1970. For 1971, the GM compact Chevrolet Nova was updated, and the Ventura nameplate was used until it was replaced by the front wheel drive Pontiac Phoenix. 1960–1970 The Ventura was first introduced for 1960 as a custom trim package on the Pontiac Catalina's 123-inch B-body wheelbase, and was only available as the Vista four-door hardtop, or the Sports Coupe two-door hardtop.
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Chevrolet Chevy II / Nova
The Chevrolet Chevy II/Nova is a small automobile manufactured by Chevrolet, and produced in five generations for the 1962 through 1979, and 1985 through 1988 model years. Nova was the top model in the Chevy II lineup through 1968. The Chevy II nameplate was dropped after 1968, with Nova becoming the nameplate for all of the 1969 through 1979 models. Built on the X-body platform, the Nova was replaced by the 1980 Chevrolet Citation introduced in the spring of 1979. The Nova nameplate returned in 1985, produced through 1988 as a S-car based, NUMMI manufactured, subcompact based on the front wheel drive, Japan home-based Toyota Sprinter. History Origin Chevrolet designer Clare MacKichan recalled about creating the Chevy II: "There was no time for experimentation or doodling around with new ideas from either the engineers or from us in design; And it had to be a basic-type car." The 1962 Chevy II rode a wheelbase, compared to for the Ford Falcon, at which Chevy's new compac ...
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Beaumont (automobile)
Beaumont was a make of mid-sized automobiles produced by General Motors of Canada from 1964 to 1969. These cars were based on the Chevrolet Chevelle, but the line had its own logo and nameplate, and was neither marketed nor actively sold in the United States. Its logo consisted of an arrow, similar to that of Pontiac, but with a maple leaf to signify its dual heritage from both sides of Lake Ontario. 1962-1965: As an Acadian To promote automobile manufacturing in Canada, the Auto Pact (APTA) in the 1960s had provisions prohibiting sales of certain American-made cars. General Motors responded by offering certain makes of cars manufactured in Canada primarily for the Canadian market such as Acadian and Beaumont. Beaumont started out as a trim level of the Acadian line from 1962 to 1965. The Acadian from 1962 to 1969 was based on the contemporary Chevrolet Chevy II (Nova). Beaumonts were sold at Pontiac-Buick Dealers primarily for the Canadian market, but were also made and s ...
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Acadian (automobile)
Acadian is a model of automobile produced by General Motors of Canada from 1962 to 1971. The Acadian was introduced so Canadian Pontiac-Buick dealers would have a compact model to sell, since the Pontiac Tempest was unavailable in Canada. Plans originally called for the Acadian to be based on the Chevrolet Corvair, which was produced at GM's Oshawa plant; however, the concept was moved to the Chevy II platform to be introduced for 1962. The brand was also offered in Chile, with models built in Arica. History Acadian brand (1962–1971) To promote automobile manufacturing in Canada, the APTA (also known as the "Auto Pact") in the 1960s had provisions prohibiting sales of certain United States-made cars. General Motors responded by offering certain makes of cars manufactured in Canada primarily for the Canadian market such as Acadian, and Beaumont, which started as an offering in the Acadian line, but later became its own brand in 1966. Initially, Acadians were retrimmed Chev ...
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GM K Platform (1975)
The General Motors K platform (commonly called the K-body) was the automobile platform designation used for the rear wheel drive Cadillac Seville midsize luxury models from 1975 to 1979. The rear-wheel drive K platform was based closely on the very similar 4th generation GM X platform, and 2nd generation F-bodies of the 1970s, all of which shared many components (control arms, springs, steering linkage and associated steering gear) in common. The K platform stretched the X platform to 114.3 inch wheelbase, but also improved isolation from sources of structure-borne vibration in the drivetrain and suspension. While automobiles built on these three platforms had different bodies, they shared the same unibody construction technology using a separable elastomer isolated front subframe assembly, a design which first appeared in GM vehicles on the 1st generation X platform in 1962 on the Chevy II. Automobiles built on these three platforms (F, K, and X) also shared front and ...
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Ford Falcon (North America)
The Ford Falcon is a model line of cars that was produced by Ford from the 1960 to 1970 model years. The first compact car marketed by the American Big Three automobile manufacturers (though antedated by the Rambler American), the Falcon was the third car line introduced by Ford, following the full-sized Ford and the Ford Thunderbird. In contrast to its competitors, the Falcon was developed as a scaled-down version of the full-size Ford Galaxie sedan. Through its production, the Falcon was offered in the same body styles as its full-sized Galaxie counterpart, including two-door and four-door sedans, two-door hardtops and convertibles, two-door and four-door station wagons (the former, serving as a basis of the final Ford sedan delivery), and coupe utility pickups (serving as the basis of the Ford Ranchero). During its production, the Falcon served as the basis for multiple Ford vehicle lines, including the first generations of the Ford Mustang pony car and the Ford Econoline ...
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Chevrolet Corvair
The Chevrolet Corvair is a compact car manufactured by Chevrolet for model years 1960–1969 in two generations. A response to the Volkswagen Beetle, it remains the only American-designed, mass-produced passenger car with a rear-mounted, air-cooled engine. The Corvair was manufactured and marketed in 4-door sedan, 2-door coupe, convertible, 4-door station wagon, passenger van, commercial van, and pickup truck body styles in its first generation (1960–1964) and as a 2-door coupe, convertible or 4-door hardtop in its second (1965–1969) – with a total production of approximately 1.8 million from 1960 until 1969. The name "Corvair" originated as a portmanteau of Corvette and Bel Air, a name first applied in 1954 to a Corvette-based concept with a hardtop fastback-styled roof, part of the Motorama traveling exhibition. When applied to the production models, the "air" part referenced the engine's cooling system. A prominent aspect of the Corvair's legacy derives from co ...
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Chevrolet
Chevrolet ( ), colloquially referred to as Chevy and formally the Chevrolet Motor Division of General Motors Company, is an American automobile division of the American manufacturer General Motors (GM). Louis Chevrolet (1878–1941) and ousted General Motors founder William C. Durant (1861–1947) started the company on November 3, 1911 as the Chevrolet Motor Car Company. Durant used the Chevrolet Motor Car Company to acquire a controlling stake in General Motors with a reverse merger occurring on May 2, 1918, and propelled himself back to the GM presidency. After Durant's second ousting in 1919, Alfred Sloan, with his maxim "a car for every purse and purpose", would pick the Chevrolet brand to become the volume leader in the General Motors family, selling mainstream vehicles to compete with Henry Ford's Model T in 1919 and overtaking Ford as the best-selling car in the United States by 1929 with the Chevrolet International. Chevrolet-branded vehicles are sold in most autom ...
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Rear-wheel Drive
Rear-wheel drive (RWD) is a form of engine and transmission layout used in motor vehicles, in which the engine drives the rear wheels only. Until the late 20th century, rear-wheel drive was the most common configuration for cars. Most rear-wheel drive vehicles feature a longitudinally-mounted engine at the front of the car. Layout The most common layout for a rear-wheel drive car is with the engine and transmission at the front of the car, mounted longitudinally. Other layouts of rear-wheel drive cars include front-mid engine, rear-mid engine, and rear-engine. Some manufacturers, such as Alfa Romeo, Lancia, Porsche (944, 924, 928) and Chevrolet (C5, C6, and C7 Corvettes), place the engine at the front of the car and the transmission at the rear of the car, in order to provide a more balanced weight distribution. This configuration is often referred to as a transaxle since the transmission and axle are one unit. History 1890s to 1960s Many of the cars built in the 19t ...
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Car Platform
A car platform is a shared set of common design, engineering, and production efforts, as well as major components, over a number of outwardly distinct models and even types of cars, often from different, but somewhat related, marques. It is practiced in the automotive industry to reduce the costs associated with the development of products by basing those products on a smaller number of platforms. This further allows companies to create distinct models from a design perspective on similar underpinnings. A car platform is not to be confused with a platform chassis, although such a chassis can be part of an automobile’s design platform, as noted below. Definition and benefits A basic definition of a platform in cars, from a technical point of view, includes: underbody and suspensions (with axles) — where the underbody is made of front floor, Rearfloor, engine compartment and frame (reinforcement of underbody). Key mechanical components that define an automobile platform inclu ...
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Pontiac Phoenix
The Pontiac Phoenix was a compact car that was sold from 1977 to 1984 by Pontiac. There were two generations of the Phoenix, both based on popular Chevrolet models, and both using the GM X platform designation. It was named for the mythological Phoenix, which would die in a self-inflicted fire and be reborn from the ashes. The Phoenix was replaced by the Grand Am in 1985. __TOC__ First generation (1977–1979) The rear-wheel drive Phoenix was introduced for 1977Encyclopedia of American Cars (2006) as an upscale version of the Pontiac Ventura, and replaced the Ventura entirely for 1978. The Phoenix differed from the Ventura in only minor details such as the grille and its square headlights and yellow rear turn signals. The Phoenix was available as a 2-door coupe or a 4-door sedan, with a 3-door hatchback available beginning in 1978. There were two trim levels available, the base and LJ, with a performance-oriented SJ package as an option. Available engines included Pon ...
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