GM 4L80-E Transmission
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GM 4L80-E Transmission
The 4L80-E (and similar 4L85-E) is a series of automatic transmissions from General Motors. Designed for longitudinal engine configurations, the series included 4 forward gears. It was the 4-speed electronically commanded evolution of the 3-speed Turbo-Hydramatic 400, first produced in October 1963. 4L80-Es were optioned only in Chevrolet/GMC pickups, vans, and commercial vehicles, and the Hummer H1. It was also adopted by Rolls-Royce in 1991 and modified after extensive testing, and used initially in the Bentley Continental R, and subsequently other Rolls-Royce and Bentley vehicles. The 4L80 and 4L85 were built at Willow Run Transmission in Ypsilanti, Michigan. Gear ratios 4L80-E The 4L80-E ( RPO MT1) is rated to handle engines with up to 440 ft·lbf (597 N·m) of torque. The 4L80-E is rated to max GVWR of 18,000 (Axle and vehicle dependent) The 4L80-E uses 2 shift solenoids, initially called Shift Solenoid A & Shift Solenoid B, later changed to comply with OBD II ...
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General Motors Corporation
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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Chevrolet Avalanche
The Chevrolet Avalanche is a four-door, five or six-passenger pickup truck sharing General Motors, GM's long-wheelbase chassis used on the Chevrolet Suburban and Cadillac Escalade EXT. Breaking with a long-standing tradition, the Avalanche was unavailable as a GMC (automobile), GMC, but only as a Chevrolet. Production of the Avalanche started in July 2001 and ended April 2013, producing two generations in its lifespan. First generation (2001–2006) The Avalanche was launched in September 2001 as a 2002 model on the GMT800 platform. First year Avalanches featured light gray plastic body cladding, intended to provide visual distinction from the Chevrolet Suburban, Suburban/Yukon XL. Avalanche also gave the public an advance look at the next generation of front fascia designs for the entire GM line. A full-length chrome strip splits each lamp assembly and the grille, with a gold Chevrolet "bow tie" in the center. The hood and fenders featured aggressive folds, in contrast to t ...
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Rally Fighter
The Rally Fighter is an American automobile manufactured by Local Motors and introduced in 2009. It is the first car to be developed using co-creation design. The exterior design was submitted by Sangho Kim and selected through community votes. The Rally Fighter is street legal in all 50 states. Specifications The Rally Fighter is powered by a front-mid mounted 6.2 L GM LS3 V8 that produces at 5,900 rpm and of torque at 4,600 rpm. Power goes to the rear wheels through a 4-speed GM 4L85-E automatic transmission. The suspension features double A-arms up front and a 4-link Ford 9-inch axle in the rear, both using coil springs and telescopic shock absorbers. This gives it 16 inches of suspension travel in the front and 20 inches in the rear. It also features a fiberglass body to save weight. In the interior, the Rally Fighter is equipped with standard 3-point harness seat belts, a full roll cage and Recaro seats, as well as amenities such as air conditioning, stereo and power w ...
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Duramax V8 Engine
The Duramax V8 engine is a family of 6.6 liter Diesel V8 engines produced by DMAX, a joint venture between General Motors and Isuzu in Moraine, Ohio. The Duramax block and heads are supplied from reliable vendors of General Motors. This engine was initially installed in 2001 Chevrolet and GMC trucks, and has since become an option in pickups, vans, and medium-duty trucks. In 2006, production at Moraine was reportedly limited to approximately 200,000 engines per year. On May 9, 2007, DMAX announced the production of the 1,000,000th Duramax V8 at its Moraine facility, followed by the 2,000,000th on March 24, 2017. Engine RPO Codes LB7 RPO LB7 (engine code "1") was first introduced in 2001 and continued until early-2004. It is a 32-valve design with high-pressure common-rail direct injection and an experimental composite design cylinder head. The following trucks use the LB7: * Chevrolet Kodiak/GMC Topkick * Chevrolet Silverado/GMC Sierra HD Specifications * Block / Head: Cast ...
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Chevrolet Big-block Engine
The Chevrolet "big block" engine is a term for a series of large-displacement, naturally-aspirated, 90°, overhead valve, gasoline-powered, V-8 engines; that were developed and produced by the Chevrolet Division of General Motors, from the 1950s until present. Chevrolet had introduced its popular small block V8 in 1955, but needed something larger to power its medium duty trucks and the heavier cars that were on the drawing board. The big block, which debuted in 1958 at , was built in standard displacements up to , with aftermarket crate engines sold by Chevrolet exceeding . W-series (Mark I) The first version of the "Big Block" V8 Chevrolet engine, known as the W-series, was introduced in 1958. Chevrolet designed this engine for use in passenger cars and light trucks. This engine had an overhead valve design with offset valves and uniquely scalloped rocker covers, giving it a distinctive appearance. The W-series was produced from 1958 to 1965, and had three displacement o ...
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Aston Martin DB7
The Aston Martin DB7 is a grand tourer which was produced by British luxury automobile manufacturer Aston Martin from September 1994 to December 2004. The car was available either as a coupé or a convertible. The prototype was complete by November 1992 and debuted at the Geneva Motor Show in March, 1993; the car was designed by Ian Callum and Keith Helfet. The six-cylinder DB7 (based on the Jaguar AJ6 engine) was positioned as an "entry-level" model below the hand-built V8 Virage introduced a few years earlier. This model was the most-produced Aston Martin automobile up to that point in time, with more than 7,000 built before it was replaced by the DB9 in 2004. Overview The DB7, known internally as the XX project, was made mostly with resources from Jaguar Cars and had the financial backing of the Ford Motor Company, owner of Aston Martin from 1988 to 2007. The DB7's platform is an evolution of the Jaguar XJS platform, though with many changes. The DB7 began life as a su ...
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Jaguar XJ
The Jaguar XJ is a series of full-size luxury cars produced by British automobile manufacturer Jaguar Cars (becoming Jaguar Land Rover in 2013) from 1968 to 2019. It was produced across five basic platform generations (debuting in 1968, 1986, 1994, 2003 and 2009) with various updated derivatives of each. From 1970 it was Jaguar's flagship four door model. The original model was the last Jaguar saloon to have had the input of Sir William Lyons, the company's founder, and the model has been featured in countless media and high-profile appearances. Series 1, 2 and 3 (1968–1992) The first-generation of the XJ was produced for a total period of 24 years, with two major facelifts in 1973 and 1979. Series 1 (1968–1973) The XJ6, using the 2.8-litre () and 4.2-litre () straight-six cylinder versions of Jaguar's renowned XK engine, replaced most of Jaguar's saloons – which, in the 1960s, had expanded to four separate ranges. Apart from the engines, the front and rear suspension ...
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Jaguar XJS
The Jaguar XJ-S (later called XJS) is a luxury grand tourer manufactured and marketed by British car manufacturer Jaguar Cars from 1975 to 1996, in coupé, fixed-profile and full convertible bodystyles. There were three distinct iterations, with a final production total of 115,413 units over 20 years and seven months. Originally developed using the platform of the then-current XJ saloon, the XJ-S was noted for its prominent rear buttresses. The early styling was partially by Jaguar's aerodynamicist Malcolm Sayer—one of the first designers to apply advanced aero principles to cars—however Sayer died in 1970, before the design was finalised. Its final iteration, produced from 1991 to 1996, was manufactured after Jaguar was acquired by Ford, who introduced numerous modifications – and eliminated the hyphen in the name, marketing Jaguar's longest running model simply as the ''XJS.'' Pre-HE (1975–1981) The XJ-S was introduced on 10 September 1975. The design and deve ...
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Bentley Arnage
The Bentley Arnage is a full-size luxury car manufactured and marketed by Bentley Motors in Crewe, England, from 1998 to 2009. The Arnage and its Rolls-Royce-branded sibling, the Silver Seraph, were introduced in the spring of 1998. They were the first entirely new designs for the two marques since 1980. The Arnage was powered by a BMW M62 V8 engine, with Cosworth-engineered twin-turbo installation, and the Seraph employed a BMW M73 V12 engine. In September 2008, Bentley announced that production of the model would end during 2009. Development Following an uplift in sales for all of Rolls-Royce, and a resurgence of the Bentley marque, the then-owner, Vickers, set about developing a new model to replace the derivatives of the Rolls-Royce Silver Spirit/ Bentley Mulsanne which it had been selling since 1980. In a complete switch from tradition, these new cars would have engines provided by a third-party vendor, and bodies built at the Crewe factory. A number of potential engin ...
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Bentley Continental R
The Bentley Continental R is a luxury coupé manufactured by British automobile manufacturer Bentley Motors from 1991 to 2003. It was the first Bentley to feature a body not shared with a Rolls-Royce model since the 1965 S3 Continental and was the first to use the GM 4L80-E transmission. The Continental R was the fastest, most expensive, and most powerful Bentley automobile of its day. It was also the most expensive production car in the world at its introduction. A convertible derivative, called the Bentley Azure, was launched in 1995. Origin and the Bentley revival As managing director of Rolls-Royce Motor Cars in the early 1980s under the Vickers ownership, David Plastow could see the potential in the Bentley brand. It had been neglected for the previous 15 years and made up only a very small percentage of the company's sales at that time, particularly outside the UK in important markets such as the USA. The first move in reshaping the brand was to introduce a turbocharged ...
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Bentley Turbo R
The Bentley Turbo R is a high-performance automobile which was produced by Bentley Motors Limited from 1985 to 1999. The "R" stood for "roadholding", to set it apart from its predecessor. It initially inherited the turbocharged engine from the Mulsanne Turbo and also sported a retuned suspension and wider tyres on alloy wheels, a first for a Bentley. From the 1987 model year (20,000 series chassis numbers), however, the Turbo R's V8 engine was retuned with fuel injection for added torque. ''Motor Trend'' called the Turbo R "the first Bentley in decades deserving of the famous name" in their review of the car on its introduction to the United States in 1989. History The suspension changes, though seemingly subtle, transformed the soft and less than well-controlled ride of the Mulsanne Turbo into that of a real performer.Wood, p. 142 Development on improving handling had already begun when Mike Dunn was appointed engineering director in Crewe in February 1983, but instead of the p ...
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Bentley Eight
The Eight was Bentley's "entry-level" offering from 1984 until 1992. Distinguished mainly by a wire-mesh grille radiator instead of vertical slats, the Eight also had somewhat less equipment than the similar Mulsanne on which it was based. This brought the introductory price to under the psychologically important £50,000 mark at the time of introduction, £6,000 less than the Mulsanne. A firmer suspension Suspension or suspended may refer to: Science and engineering * Suspension (topology), in mathematics * Suspension (dynamical systems), in mathematics * Suspension of a ring, in mathematics * Suspension (chemistry), small solid particles suspend ... offered slight handling improvements. The Eight was so popular that sales expanded from the original UK market to Europe and the United States. Model specification The Eight was introduced with cloth upholstery, steel wheels, and a mesh grille that was simpler than the slatted grille of the Mulsanne. Fuel injection and anti-l ...
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