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Chevrolet Monza
The Chevrolet Monza is a subcompact automobile produced by Chevrolet for the 1975 through 1980 model years. The Monza is based on the Chevrolet Vega, sharing its wheelbase, width, and standard inline-four engine. The car was designed to accommodate the GM- Wankel rotary engine, but due to mediocre fuel economy and emissions-compliance issues the engine was cancelled, and a V8 engine option was substituted. The Monza name has also been used for several other cars. Introduced for the 1975 model year, the Monza 2+2 and Monza Towne Coupe competed with the Ford Mustang II and other sporty coupes.h-body.org General Motors' H-body variants, the Buick Skyhawk and Oldsmobile Starfire, were produced using the Monza 2+2's body with grille and trim variations and Buick's 3.8 liter V6 engine. The Pontiac Sunbird variant was introduced for the 1976 model year, initially offered only in the Monza Towne Coupe body with the 2+2 hatchback added for the 1977 model year. The Monza nameplate or ...
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Chevrolet
Chevrolet ( ) is an American automobile division of the manufacturer General Motors (GM). In North America, Chevrolet produces and sells a wide range of vehicles, from subcompact automobiles to medium-duty commercial trucks. Due to the prominence and name recognition of Chevrolet as one of General Motors' global marques, "Chevrolet" or its affectionate nickname 'Chevy' or is used at times as a synonym for General Motors or its products, one example being the GM LS1 engine, commonly known by the name or a variant thereof of its progenitor, the Chevrolet small-block engine. Louis Chevrolet (1878–1941), Arthur Chevrolet (1884–1946) 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 ...
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Straight-4
A straight-four engine (also referred to as an inline-four engine) is a four-cylinder piston engine where cylinders are arranged in a line along a common crankshaft. The majority of automotive four-cylinder engines use a straight-four layout (with the exceptions of the flat-four engines produced by Subaru and Porsche) and the layout is also very common in motorcycles and other machinery. Therefore the term "four-cylinder engine" is usually synonymous with straight-four engines. When a straight-four engine is installed at an inclined angle (instead of with the cylinders oriented vertically), it is sometimes called a slant-four. Between 2005 and 2008, the proportion of new vehicles sold in the United States with four-cylinder engines rose from 30% to 47%. By the 2020 model year, the share for light-duty vehicles had risen to 59%. Design A four-stroke straight-four engine always has a cylinder on its power stroke, unlike engines with fewer cylinders where there is no power st ...
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Model Year
The model year (sometimes abbreviated as MY) is a method of describing the version of a product which has been produced over multiple years. The model year may or may not be the same as the calendar year in which the product was manufactured. Automobiles United States and Canada Automobiles in the United States and Canada are identified and regulated by model year, whereas other markets use production date (month/year) to identify specific vehicles, and model codes in place of the "year" (model year) in the North American make-model-year identifier. In technical documents generated within the auto industry and its regulating agencies such as the U.S. National Highway Traffic Safety Administration and United States Environmental Protection Agency and Transport Canada and Environment Canada, the letters ''MY'' often precede the year (as in ''MY2019'' or ''MY93''). Even without this prefix, however, in the North American context it is usually the model year rather than the ve ...
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Subcompact Car
Subcompact car is a North American Car classification, classification for cars smaller than a compact car. It is broadly equivalent to the B-segment (Europe), supermini (Great Britain) or A0-class (China) classifications. According to the United States Environmental Protection Agency, U.S. Environmental Protection Agency (EPA) car size class definition, the subcompact category sits between the "minicompact" and "compact car, compact" categories. The EPA definition of a subcompact is a passenger car with a combined interior and cargo volume of . Current examples of subcompact cars are the Nissan Versa and Mitsubishi Mirage. The smaller cars in the A-segment, A-segment/city car category (such as the Chevrolet Spark and Smart Fortwo) are sometimes called subcompacts in the U.S., because the EPA's name for this smaller category — "minicompact" — is not commonly used by the general public. The prevalence of small cars in the United States increased in the 1960s due to increased i ...
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Oldsmobile Starfire
The Oldsmobile Starfire is an automobile Car model, nameplate used by Oldsmobile, produced in three non-contiguous generations beginning in 1954. The Starfire nameplate made its debut as a convertible concept car in 1953 followed with the 1954–1956 Oldsmobile Ninety-Eight, Ninety-Eight series convertible (car), convertibles that shared a "halo status" with the Buick Skylark#1953–1954, Buick Skylark and Cadillac Eldorado#First generation (1953), Cadillac Eldorado. For 1957 only, all Ninety-Eight series models were named "98 Starfire". Oldsmobile during this time period was one of the most popular brands selling, and the company saw an opportunity to benefit from the Space Race of the 1960s. The "rocket" terminology was already a benefit with their Rocket v8, Rocket V8. After a two-year hiatus the Starfire name returned for 1961 as a separate model, offered in a single convertible body style. Intended to compete in the growing personal luxury car market, from 1961 to 1965 the S ...
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Buick Skyhawk
The Buick Skyhawk is an automobile produced by Buick in two generations for the 1975 through 1989 model years. The first generation (1975–1980) were two-door hatchbacks using the subcompact, rear-wheel drive GM H platform (RWD), H-body platform, a badge engineered entry-level version of the Chevrolet Monza, which was based on the Chevrolet Vega while the only engine available was a V6. Introducing a subcompact was a new approach for Buick and GM, with a similar approach from Oldsmobile with the Starfire hatchback. The second generation (1982–1989) Skyhawks were built on the compact, front-wheel drive GM J platform, J-car platform that was available in four body styles: two-door sedan and hatchback, as well as four-door sedan and station wagon — manufactured alongside its badge engineering, rebadged variants, the Chevrolet Cavalier, Cadillac Cimarron, Oldsmobile Firenza, and Pontiac Sunbird, Pontiac J2000/2000/Sunbird at GM's South Gate Assembly and Janesville Assembly ...
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Pontiac Sunbird
The Pontiac Sunbird (also known as the Pontiac J2000 and Pontiac 2000) is a model line that was manufactured and marketed by Pontiac from the 1976 to the 1994 model years. Loosely deriving its name from the Pontiac Firebird, the Sunbird was introduced as the eventual replacement for the Pontiac Astre, replacing it entirely in 1978 as the smallest Pontiac (the later T1000 was slotted below it in size). The first generation of the Sunbird used the subcompact GM H platform. Serving as the Pontiac counterpart of the Chevrolet Monza, the Sunbird was offered as a two-door notchback coupé and three-door hatchback and station wagon. The model was manufactured alongside the Monza, Buick Skyhawk, and Oldsmobile Starfire at Lordstown Assembly (Lordstown, Ohio), South Gate Assembly (South Gate, California) and Sainte-Thérèse Assembly (Sainte-Thérèse, Quebec), Canada. The second generation of the Sunbird used the compact GM J platform. Serving as the Pontiac counterpart of the Che ...
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Automatic Transmission
An automatic transmission (AT) or automatic gearbox is a multi-speed transmission (mechanics), transmission used in motor vehicles that does not require any input from the driver to change forward gears under normal driving conditions. The 1904 Sturtevant "horseless carriage gearbox" is often considered to be the first true automatic transmission. The first mass-produced automatic transmission is the General Motors ''Hydramatic'' two-speed hydraulic automatic, which was introduced in 1939. Automatic transmissions are especially prevalent in vehicular drivetrains, particularly those subject to intense mechanical acceleration and frequent idle/transient operating conditions; commonly commercial/passenger/utility vehicles, such as buses and waste collection vehicles. Prevalence Vehicles with internal combustion engines, unlike electric vehicles, require the engine to operate in a narrow range of rates of rotation, requiring a gearbox, operated manually or automatically, to drive t ...
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Turbo-Hydramatic
Turbo-Hydramatic or Turbo Hydra-Matic is the registered tradename for a family of automatic transmissions developed and produced by General Motors. These transmissions mate a three-element turbine torque converter to a Simpson planetary geartrain, providing three forward speeds plus reverse. The Turbo-Hydramatic or Turbo Hydra-Matic (THM) series was developed to replace both the original Hydra-Matic models and the Buick Dynaflow. In its original incarnation as the Turbo-Hydramatic 400, it was first used in the 1964 model year in Cadillacs. The Buick version, which followed shortly thereafter, was known as the Super-Turbine 400. By 1973, THM units had replaced all of GM's other automatic transmissions including Chevrolet's Powerglide, Buick's Super Turbine 300, and Oldsmobile's Jetaway. Starting in the early 1980s, the Turbo-Hydramatic was gradually supplanted by four-speed automatics, some of which continue to use the "Hydramatic" trade name. Although the Turbo Hydra-Mat ...
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Borg-Warner T-50 Transmission
Borg-Warner T-50 is a manual automotive gearbox from Borg-Warner. It was used in the Chevrolet Monza The Chevrolet Monza is a subcompact automobile produced by Chevrolet for the 1975 through 1980 model years. The Monza is based on the Chevrolet Vega, sharing its wheelbase, width, and standard inline-four engine. The car was designed to accommo ... and other 1970s H-body cars as well as the 76-and-up 5-speed mid sized General Motors cars. Further reading * * 50 {{automotive-part-stub ...
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Manual Transmission
A manual transmission (MT), also known as manual gearbox, standard transmission (in Canadian English, Canada, British English, the United Kingdom and American English, the United States), or stick shift (in the United States), is a multi-speed motor vehicle Transmission (mechanical device), transmission system where gear changes require the driver to manually select the gears by operating a gear stick and clutch (which is usually a foot pedal for cars or a hand lever for motorcycles). Early automobiles used ''sliding-mesh'' manual transmissions with up to three forward gear ratios. Since the 1950s, ''constant-mesh'' manual transmissions have become increasingly commonplace, and the number of forward ratios has increased to 5-speed and 6-speed manual transmissions for current vehicles. The alternative to a manual transmission is an automatic transmission. Common types of automatic transmissions are the Automatic transmission#Hydraulic automatic transmissions, hydraulic automatic ...
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V8 Engine
A V8 engine is an eight- cylinder piston engine in which two banks of four cylinders share a common crankshaft and are arranged in a V configuration. Origins The first known V8 was the Antoinette, designed by Léon Levavasseur, and built in 1904 by the French Antoinette company for use in speedboat racing, cars, and later, airplanes. Also in 1904, V8 engines began small-scale production by Renault and Buchet for use in race cars. Design V-angle Most engines use a V-angle (the angle between the two banks of cylinders) of 90 degrees. This angle results in good engine balance, which results in low vibrations. However, the downside is the greater width of the engine compared to those that use a smaller V-angle. V8 engines with a 60-degree V-angle were used in the 1996–1999 Ford Taurus SHO, the 2005–2011 Volvo XC90, and the 2006–2009 Volvo S80. The Ford engine used a 60-degree V-angle because it was based on a V6 engine with a 60-degree V-angle. ...
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