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GM Ultra Engine
Ultra was the codename for General Motors' next-generation family of DOHC V8 engines that was being developed to replace the Northstar as the V8 engine of choice for GM's premium vehicles. There is very little information on the engine's specifications currently available, however its lowest displacement would presumably have been similar to the Northstar's, (with higher-displacement versions probable as well), and it would very likely have incorporated technologies from the High Feature V6 family, including continuously variable valve timing on both intake and exhaust ports, as well as provision for gasoline direct injection. These engines would probably have been adaptable for both longitudinal and transverse applications (the latter would have been used by the rumored V8-powered versions of the Lambda crossover SUVs). Despite previously revealing plans to allocate production to the Tonawanda Engine plant, GM canceled development of this engine in January 2008. The 2013 Cad ...
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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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GM Lambda Platform
Lambda is General Motors full-size or mid-size 3-row crossover SUV automobile platform. It is largely derived from the GM Epsilon platform, which underlies the Chevrolet Malibu sedan and similar models. The Buick Enclave concept car was previewed at the 2006 North American International Auto Show, and the Saturn Outlook was shown at the 2006 New York Auto Show. The 2007 Outlook and GMC Acadia went into production in late 2006, followed by the 2008 Enclave in mid-2007, and the 2009 Chevrolet Traverse in mid-2008. Lambda vehicles feature easily accessible three-row seating. They were supplied with the LY7 3.6-liter V6. Starting with the 2009 model year all Lambda vehicles have GM LLT 3.6-liter gasoline direct injection engine for improved fuel efficiency, horsepower and torque. With the cancellation of GM's next-generation DOHC V8, there would be no V8 powertrain for the Lambda platform. The platform has been designed for front and all-wheel drive applications. La ...
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Cadillac Twin-turbo V8
The Cadillac Blackwing V8 (GM RPO ''LTA'') is a twin-turbo DOHC V8 engine that was produced by the Cadillac Division of General Motors for use in its CT6-V between 2018 and early 2020. It is a clean sheet engine design, as well as the Division's first ever twin-turbo V8 engine. The engine was branded as the "Blackwing V8" by GM technicians, and is the first Cadillac-exclusive dual overhead cam V8 engine since the Northstar V8 was dropped in 2011. The aluminum cylinder block features pressed-in iron liners, cross-bolted main bearing caps and houses a lightweight forged steel crankshaft, forged steel connecting rods and high strength hypereutectic aluminum pistons. There are four sodium-filled valves per cylinder. The intercooled turbochargers are mounted between the cylinder banks in a so-called hot-V configuration and their twin scroll design broadens their performance capability, offering quicker response and greater efficiency. These produce up to and are matched with electr ...
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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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List Of GM Engines
This list of GM engines encompasses all engines manufactured by General Motors and used in their cars. Divisions When General Motors was created in 1908, it started out with Buick and soon after acquired Oldsmobile, Cadillac and Oakland. There were dozens of other smaller companies that William Durant acquired during his first employment term until he was let go due to financially overextending his purchases. He regained control when he brought on Chevrolet in 1917 which was short lived until he was let go for the second time. This meant that the different core brands designed and manufactured their own engines with few interchangeable parts between brands, while sharing chassis, suspension and transmissions. One of the companies Durant bought in 1909 was the Northway Motor and Manufacturing Company founded by Ralph Northway who had previously supplied engines to Buick, Oakland, Cartercar and other 1900s manufacturers, including V8 engines to Oldsmobile, Oakland and Cadillac when ...
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Cadillac Elmiraj
The Cadillac Elmiraj is a concept car created by Cadillac and unveiled at the 2013 Pebble Beach Concours d'Elegance on August 15, 2013. It continues the development begun by the Cadillac Ciel concept car. It was named for the Elmira, New York, a city in New York State though some claim it's a dry lake bed that was used for high speed runs. Overview The car is a 2-door, 4-seat full-size luxury coupe. It is 205 inches (5207 mm) long, and powered by a 4.5-liter twin turbocharged V8 delivering an estimated . It features a pillarless hardtop profile, a body style abandoned by U.S. automakers since the late 1970s. The Elmira J is rear-wheel drive and was "constructed with chassis and structural elements of an ongoing Cadillac vehicle development project slated for future production". According to a blog article claiming to be informed by an insider, this platform is under development by the name of ''Omega'', to underpin future top-of-the-line Cadillac cars to compete with the Europea ...
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Tonawanda (town), New York
Tonawanda (formally the Town of Tonawanda) is a town in Erie County, New York, United States. As of the 2020 census, the town had a population of 72,636. The town is at the north border of the county and is the northern inner ring suburb of Buffalo. It is sometimes referred to, along with its constituent village of Kenmore, as "Ken-Ton". The town was established in 1836, and up to 1903 it included what is now the city of Tonawanda. History This area was under French control from the 17th century until it was ceded to the British after the French and Indian War. The first European settlers arrived around 1805. Rapid growth began after the construction of the Erie Canal, completed in 1825. Tonawanda occupies the northwest corner of Erie County and is bounded on the north by the Erie Canal, which here follows Tonawanda Creek. The town of Tonawanda was established in 1836, by separation from the town of Buffalo (now part of the city of Buffalo). At that time it included land tha ...
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Crossover SUV
A crossover, crossover SUV, or crossover utility vehicle (CUV) is a type of automobile with an increased ride height that is built on unibody chassis construction shared with passenger cars, as opposed to traditional sport utility vehicles (SUV) which are built on a body-on-frame chassis construction similar to pickup trucks. A term that originated from North America, the term crossover was initially used for any vehicle that blends characteristics between two different kinds of vehicles while, over time, crossover mostly refers to unibody-based SUVs. Crossovers are also described as "car-like SUVs" or "car-based SUVs". The term SUV is often used as an umbrella term for both crossovers and traditional SUVs due to the similarities between them. Compared to traditional SUVs, crossovers are known to be less capable of use in off-road conditions or hauling heavy loads, while instead offering other advantages such as superior fuel economy and handling. Compared to traditional ca ...
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Transverse Engine
A transverse engine is an engine mounted in a vehicle so that the engine's crankshaft axis is perpendicular to the direction of travel. Many modern front-wheel drive vehicles use this engine mounting configuration. Most rear-wheel drive vehicles use a longitudinal engine configuration, where the engine's crankshaft axis is parallel with the direction of travel, except for some Mid-engine design, rear-mid engine vehicles, which use a transverse engine and transaxle mounted in the rear instead of the front. Despite typically being used in light vehicles, it is not restricted to such designs and has also been used on Armoured fighting vehicle, armoured fighting vehicles to save interior space. History The Critchley Light car, Critchley light car, made by the Daimler Company, Daimler Motor Company in 1899, had a transverse engine with belt drive to the rear axle. The first successful transverse-engine cars were the two-cylinder DKW F1 series of cars, which first appeared in 1931. Du ...
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DOHC
An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion chamber in the engine block. ''Single overhead camshaft'' (SOHC) engines have one camshaft per bank of cylinders. ''Dual overhead camshaft'' (DOHC, also known as "twin-cam".) engines have two camshafts per bank. The first production car to use a DOHC engine was built in 1910. Use of DOHC engines slowly increased from the 1940s, leading to many automobiles by the early 2000s using DOHC engines. Design In an OHC engine, the camshaft is located at the top of the engine, above the combustion chamber. This contrasts the earlier overhead valve engine (OHV) and flathead engine configurations, where the camshaft is located down in the engine block. The valves in both OHC and OHV engines are located above the combustion chamber; however an OHV ...
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Longitudinal Engine
In automotive engineering, a longitudinal engine is an internal combustion engine in which the crankshaft is oriented along the long axis of the vehicle, front to back. Use This type of motor is usually used for rear-wheel drive cars, except for some Audi and SAAB models equipped with longitudinal engines in front wheel drive. In front-wheel drive cars a transverse engine is usually used. Trucks often have longitudinal engines with rear-wheel drive. For motorcycles, the use of a particular type depends on the drive: in case of a chain or belt drive a transverse engine is usually used, and with shaft drives a longitudinal engine. Longitudinal engines in motorcycles do have one disadvantage: the "tipping point" of the crankshaft tilts along the entire motorcycle to a greater or lesser degree when accelerating. This is partly resolved by having other components, such as the generator and the gearbox, rotate in the opposite direction to the crankshaft. Most larger, "premium" ve ...
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Gasoline Direct Injection
Gasoline direct injection (GDI), also known as petrol direct injection (PDI), is a mixture formation system for internal combustion engines that run on gasoline (petrol), where fuel is injected into the combustion chamber. This is distinct from manifold fuel injection systems, which inject fuel into the intake manifold. The use of GDI can help increase engine efficiency and specific power output as well as reduce exhaust emissions. The first GDI engine to reach production was introduced in 1925 for a low-compression truck engine. Several German cars used a Bosch mechanical GDI system in the 1950s, however usage of the technology remained rare until an electronic GDI system was introduced in 1996 by Mitsubishi for mass-produced cars. GDI has seen rapid adoption by the automotive industry in recent years, increasing in the United States from 2.3% of production for model year 2008 vehicles to approximately 50% for model year 2016. Operating principle Charge modes The 'charg ...
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