GM Quad 4 Engine
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GM Quad 4 Engine
Quad 4 is the name of a family of principally DOHC inline four-cylinder engines produced by General Motors' Oldsmobile division between 1987 and 2002; a single SOHC version was built between 1992 and 1994. Its name was derived from the engine's four-valve, four-cylinder layout. Introduced with a displacement of , the engine was a modern design for its time, using a cast-iron block and an aluminum head. Even though belts were more popular for this purpose on OHC engines at the time, chains were used to time the camshafts to the crankshaft. The water pump is also driven by the timing chain. The Quad 4 was the first wholly domestic regular production DOHC four-cylinder engine designed and built by GM; the only prior DOHC four-cylinder engine offered by GM was the Cosworth Vega, which featured a DOHC head designed by Cosworth in England. In addition to the DOHC versions, there was also both a short-lived SOHC variant, the "Quad OHC", available from 1992 to 1994, and the Twin C ...
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Oldsmobile
Oldsmobile or formally the Oldsmobile Division of General Motors was a brand of American automobiles, produced for most of its existence by General Motors. Originally established as "Olds Motor Vehicle Company" by Ransom E. Olds in 1897, it produced over 35 million vehicles, including at least 14 million built at its Lansing, Michigan factory alone. During its time as a division of General Motors, Oldsmobile slotted into the middle of GM's five (passenger car) divisions (above Chevrolet and Pontiac, but below Buick and Cadillac), and was noted for several groundbreaking technologies and designs. Oldsmobile's sales peaked at over one million annually from 1983 to 1986, but by the 1990s the division faced growing competition from premium import brands, and sales steadily declined. When it shut down in 2004, Oldsmobile was the oldest surviving American automobile marque, and one of the oldest in the world, after Mercedes-Benz, Peugeot, Renault, Fiat, Opel, Autocar and Tatra (i ...
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Cylinder Head
In an internal combustion engine, the cylinder head (often abbreviated to simply "head") sits above the cylinders and forms the roof of the combustion chamber. In sidevalve engines, the head is a simple sheet of metal; whereas in more modern overhead valve and overhead camshaft engines, the cylinder head is a more complicated block often containing inlet and exhaust passages, coolant passages, valves, camshafts, spark plugs and fuel injectors. Most straight engines have a single cylinder head shared by all of the cylinders and most V engines have two cylinder heads (one per bank of cylinders). Design A summary of engine designs is shown below, in chronological order for automobile usage. Sidevalve engines In a flathead (''sidevalve'') engine, all of the valvetrain components are contained within the block, therefore the head is usually a simple sheet of metal bolted to the top of the engine block. Sidevalve engines were once universal in automobiles but are now lar ...
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Model Year
The model year (sometimes abbreviated "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 vehicle' ...
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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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Buick
Buick () is a division of the American automobile manufacturer General Motors (GM). Started by automotive pioneer David Dunbar Buick in 1899, it was among the first American marques of automobiles, and was the company that established General Motors in 1908. Before the establishment of General Motors, GM founder William C. Durant had served as Buick's general manager and major investor. In the North American market, Buick is a premium automobile brand, selling luxury vehicles positioned above GM's mainstream brands, while priced below the flagship luxury Cadillac division. Buick's current target demographic according to ''The Detroit News'' is "a successful executive with family." After securing its market position in the late 1930s, when junior companion brand Marquette and Cadillac junior brand LaSalle were discontinued, Buick was positioned as an upscale luxury car below the Cadillac. During this same time period, many manufacturers were introducing V8 engines in their ...
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Pontiac Grand Am
The Pontiac Grand Am is a mid-size car and later a compact car that was produced by Pontiac. The Grand Am had two separate three-year runs in the 1970s: from 1973 to 1975, and again from 1978 to 1980. It was based on the GM A platform. Production of the intermediate sized Grand Am was canceled in 1980 when it was replaced by the Pontiac 6000. The compact-sized Grand Am was reintroduced in 1985 when it replaced the Pontiac Phoenix. It became Pontiac's best selling car and was later replaced by the Pontiac G6, so named as it was intended to be the 6th generation of the Grand Am. All 1973–1975 Grand Ams were built in Pontiac, Michigan at Pontiac's main assembly plant. The 1978-1980 Grand Ams were built in Pontiac, Michigan at Pontiac's main assembly plant and in Atlanta, Georgia at GMAD Lakewood. All Grand Ams between 1985 and 2005 were built in Lansing, Michigan at the Lansing Car Assembly. 1973–1975 The history of Grand Am begins with Pontiac executives noting incursion into ...
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Oldsmobile Cutlass Calais
The Oldsmobile Calais is a compact car that was manufactured and marketed by Oldsmobile from 1985 through 1991, superseding the Oldsmobile Omega and named after the city of Calais, France. Renamed the Cutlass Calais for 1988, and briefly available in 1987 as the limited edition GMO Quad 4, the Calais shared the GM N platform with the Pontiac Grand Am and the Buick Skylark/Buick Somerset — and was superseded by the Oldsmobile Achieva in 1992. The first production model ( VIN 1G3NT27UXFM200001), was a white Calais Supreme two-door with a gray velour interior. Equipped with an automatic transmission and the 92 horsepower, 151 CID pushrod four-cylinder engine (also known as GM's "Iron Duke" Tech-IV), this particular model was outfitted with nearly every available option, including wire wheel covers. While this front-wheel drive car is maintained by the R.E. Olds Transportation Museum in Lansing, Michigan, it was one of more than 700 vehicles that made up the GM Heritage Collec ...
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Cadillac
The Cadillac Motor Car Division () is a division of the American automobile manufacturer General Motors (GM) that designs and builds luxury vehicles. Its major markets are the United States, Canada, and China. Cadillac models are distributed in 34 additional markets worldwide. Cadillac automobiles are at the top of the luxury field within the United States. In 2019, Cadillac sold 390,458 vehicles worldwide, a record for the brand. Cadillac is among the first automotive brands in the world, fourth in the United States only to Autocar Company (1897) and fellow GM marques Oldsmobile (1897) and Buick (1899). It was named after Antoine de la Mothe Cadillac (1658–1730), who founded Detroit, Michigan. The Cadillac crest is based on his coat of arms. By the time General Motors purchased the company in 1909, Cadillac had already established itself as one of America's premier luxury car makers. The complete interchangeability of its precision parts had allowed it to lay the foundati ...
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Northstar Engine Series
The Northstar engine is a family of high-performance 90° V engines produced by General Motors between 1993 and 2011. Regarded as GM's most technically complex engine, the original double overhead cam, four valve per cylinder, aluminum block/aluminum head V8 design was developed by Oldsmobile R&D, but is most associated with Cadillac's Northstar series. Displacing in its basic form, the direct family line transitioned to longitudinal and supercharged versions. Variants were used at Oldsmobile (as the Aurora L47 V8 and "Shortstar" LX5 V6), as well as in several top-end 2000s Pontiacs and Buicks. The related Northstar System was Cadillac's trademarked name for a package of performance features introduced in mid-1992 that coupled the 4T80E transmission, a 100,000 mile service interval, road sensing suspension, variable power steering, and 4-wheel disc brakes to the Division's high-output and high-torque Northstar engines. GM ceased production of the Northstar in 2011. The f ...
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Oldsmobile Aurora Engine
The Northstar engine is a family of high-performance 90° V engines produced by General Motors between 1993 and 2011. Regarded as GM's most technically complex engine, the original double overhead cam, four valve per cylinder, aluminum block/aluminum head V8 design was developed by Oldsmobile R&D, but is most associated with Cadillac's Northstar series. Displacing in its basic form, the direct family line transitioned to longitudinal and supercharged versions. Variants were used at Oldsmobile (as the Aurora L47 V8 and "Shortstar" LX5 V6), as well as in several top-end 2000s Pontiacs and Buicks. The related Northstar System was Cadillac's trademarked name for a package of performance features introduced in mid-1992 that coupled the 4T80E transmission, a 100,000 mile service interval, road sensing suspension, variable power steering, and 4-wheel disc brakes to the Division's high-output and high-torque Northstar engines. GM ceased production of the Northstar in 2011. The f ...
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Lansing, Michigan
Lansing () is the capital of the U.S. state of Michigan. It is mostly in Ingham County, although portions of the city extend west into Eaton County and north into Clinton County. The 2020 census placed the city's population at 112,644, making it the sixth largest city in Michigan. The population of its metropolitan statistical area ( MSA) was 541,297 at the 2020 census, the third largest in the state after metropolitan Detroit and Grand Rapids. It was named the new state capital of Michigan in 1847, ten years after Michigan became a state. The Lansing metropolitan area, colloquially referred to as "Mid-Michigan", is an important center for educational, cultural, governmental, commercial, and industrial functions. Neighboring East Lansing is home to Michigan State University, a public research university with an enrollment of more than 50,000. The area features two medical schools, one veterinary school, two nursing schools, and two law schools. It is the site of the Mich ...
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Delta Township, Michigan
Delta Charter Township, officially known as the Charter Township of Delta and commonly known as simply Delta Township, is a charter township of Eaton County in the U.S. state of Michigan. As of the 2010 census, it had a population of 32,408 making it the most populous municipality in Eaton County. The township operates its own fire department, but contracts with the Eaton County Sheriff Department for police protection. The township is a major community in metropolitan Lansing. Communities *Delta Mills is an unincorporated community within the north-central of township on the Grand River immediately north of the Webster Street bridge. It lies between the cities of Grand Ledge on the west and Lansing on the east. It was first settled in 1836 and platted as "Grand River City" in 1841, but never incorporated. The community became known as Delta Mills due to the grist mill located there and the township. *Delta Center is an unincorporated community located near the center of the ...
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