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Encyclopedia > GM Atlas engine
Atlas
Manufacturer General Motors Corporation
Type: straight-4
straight-5
straight-6
Production: 2002 - present
Predecessor: Chevrolet Straight-6 engine
Displacement: 256ci

Atlas is a name for a family of modern inline piston engines for trucks from General Motors. The series debuted in 2002 with the Chevrolet TrailBlazer, and is also used in the Chevrolet Colorado and their GMC twins, the Envoy and Canyon. In production, the engines use GM's Vortec name, and I4, I5, and I6 engines are all part of the same family, sharing the same manufacturing equipment, rods, pistons, valves, and other parts. They feature variable valve timing on the exhaust side, electronic throttle control, and a special oil pan with a pass-through for the half shafts in four-wheel drive vehicles. Automakers, also known as carmakers, automobile manufacturers, motor manufacturers, or the automobile industry are companies that design and manufacture automobiles. ... General Motors Corporation (NYSE: GM), also known as GM, is an American automobile maker with worldwide operations and brands including Buick, Cadillac, Chevrolet, GMC, Holden, Hummer, Opel, Pontiac, Saturn, Saab and Vauxhall. ... The straight-4 or inline-4 is an internal combustion engine with four cylinders aligned in one row. ... The straight-5 or inline-5 is an internal combustion engine with five cylinders aligned in one row, sharing a single engine block and crankcase. ... The straight-6 (also inline 6, I-6, or I6) is an internal combustion engine with six cylinders aligned in a single row. ... For album titles with the same name, see 2002 (album). ... The Chevrolet inline 6 of the 1930s through 1970s was the base engine in many popular cars, including the Chevrolet Camaro. ... One complete cycle of a four cylinder, four stroke engine. ... Usually found in 4 and 6 cylinder configurations, the straight engine (often designed as inline engine) is an internal-combustion engine with all cylinders aligned in one row, with no or only minimal offset. ... Components of a typical, four stroke cycle, DOHC piston engine. ... The driver of this DAF tractor with an auto-transport semi-trailer truck prepares to offload Å koda Octavia cars in Cardiff, Wales For other articles with similar names, see Lorry (disambiguation) and truck (disambiguation). ... General Motors Corporation (NYSE: GM), also known as GM, is an American automobile maker with worldwide operations and brands including Buick, Cadillac, Chevrolet, GMC, Holden, Hummer, Opel, Pontiac, Saturn, Saab and Vauxhall. ... For album titles with the same name, see 2002 (album). ... The Chevrolet TrailBlazer is a mid-size SUV from the Chevrolet division of General Motors. ... The Chevrolet Colorado and its counterpart the GMC Canyon are General Motors new compact pickup truck, replacing the Chevrolet S10 and GMC Sonoma in 2004. ... GMC, formerly known as GMC Truck, is a brand name used on trucks, vans, and SUVs marketed in North America and the Middle East by General Motors. ... The GMC Envoy is an SUV from the GMC marque of General Motors. ... The Chevrolet Colorado (and similar GMC Canyon) is a compact pickup truck from General Motors. ... Vortec is a trademarked name for a line of piston engines for General Motors trucks. ... The straight-4 or inline-4 is an internal combustion engine with four cylinders aligned in one row. ... The straight-5 or inline-5 is an internal combustion engine with five cylinders aligned in one row, sharing a single engine block and crankcase. ... The straight-6 (also inline 6, I-6, or I6) is an internal combustion engine with six cylinders aligned in a single row. ... Variable valve timing, or VVT, is a generic term for an automobile piston engine technology. ... In automotive engineering, an intake manifold or inlet manifold is a part of an engine that supplies the fuel/air mixture to the cylinders. ... Electronic throttle control (ETC) is an automobile technology which severs the direct link between the accelerator pedal and the throttle. ... A half shaft is an automotive term used to describe a driveshaft that goes from a vehicles differential to one of the driven wheels. ... This article is missing citation of sources. ...


The Atlas program began in 1995 along with the planning for GM's next-generation mid-size SUVs and pickup trucks. These vehicles were designed around the I6 engine. The I6 version was used in a Baja 2000 racing truck, winning its first race in a class that also included V8 engines. Another I6-powered truck won the truck class at the Pikes Peak International Hillclimb. Year 1995 (MCMXCV) was a common year starting on Sunday (link will display full 1995 Gregorian calendar). ... A fourth-generation (2006-) Ford Explorer, the best-selling mid-size SUV in the United States A sport utility vehicle, or SUV, is a passenger vehicle which combines the towing capacity of a pickup truck with the passenger-carrying space of a minivan or station wagon. ... Mazda B-Series compact pickup truck with extended cabin and home-made wooden rack. ... Rider at Mile 328 of the Baja 1000 Four-wheel vehicle known as a Truggy Baja 1000 is an off-road race that takes place on Mexicos Baja California Peninsula in the fall. ... The Liberty V8 aircraft engine clearly shows the configuration A V8 engine is a V engine with eight cylinders. ... The Pikes Peak International Hillclimb is an annual tarmac/gravel hillclimb to the summit of Pikes Peak in Colorado. ...


The I6 Atlas engines are produced at the Flint Engine South plant in Flint, Michigan, while the I4 and I5 versions are produced at the Tonawanda Engine plant in Tonawanda, New York. Flint Engine South is a General Motors automobile engine factory in Flint, Michigan. ... Nickname: Location of Flint within Genesee County, Michigan. ... The name Tonawanda as a location confuses even the people who live in other and even nearby Western New York communities. ...

Contents

LL8

Vortec 4200 LL8 engine in a 2006 Chevrolet Traiblazer.
Vortec 4200 LL8 engine in a 2006 Chevrolet Traiblazer.

The LL8 (or Vortec 4200), is a straight-6 truck engine. It was the first Atlas engine, and was designed for GM's new SUV line. When introduced, this engine's power was 270 hp (205 kW) @ 6000 RPM and torque was 275 ft·lbf (373 N·m) @ 3600 RPM. 2003 saw a slight bump in power to 275 hp, while torque was unchanged. For 2006, power was increased to 291 hp (217 kW) @ 6000 RPM and torque to 277 ft·lbf (376 N·m) @ 4800 RPM with the addition of a MAF and a complete internal redesign of the engine. The Atlas LL8 was on the Ward's 10 Best Engines list for 2002 through 2005. Engine redline is 6300 RPM. Image File history File links Size of this preview: 800 × 600 pixel Image in higher resolution (1408 × 1056 pixel, file size: 506 KB, MIME type: image/jpeg) 2006 LL8 (Vortec 4200) engine in a 2006 Chevrolet Trailblazer. ... Image File history File links Size of this preview: 800 × 600 pixel Image in higher resolution (1408 × 1056 pixel, file size: 506 KB, MIME type: image/jpeg) 2006 LL8 (Vortec 4200) engine in a 2006 Chevrolet Trailblazer. ... The straight-6 (also inline 6, I-6, or I6) is an internal combustion engine with six cylinders aligned in a single row. ... The driver of this DAF tractor with an auto-transport semi-trailer truck prepares to offload Å koda Octavia cars in Cardiff, Wales For other articles with similar names, see Lorry (disambiguation) and truck (disambiguation). ... Wards 10 Best Engines is an annual list of the ten best automobile engines selected by Wards AutoWorld magazine. ...


LL8 Applications:

The GMC Envoy is an SUV from the GMC marque of General Motors. ... The Chevrolet TrailBlazer is a mid-size SUV from the Chevrolet division of General Motors. ... The Bravada was a mid-size luxury SUV from the Oldsmobile marque of General Motors. ... The Buick Rainier is a mid-size SUV from General Motors. ... 5-passenger Ascender The Isuzu Ascender is a mid-size SUV from General Motors. ... Interior of the 2006 Saab 9-7X showing the Saab-style dashboard, cupholder, and ignition key location The Saab 9-7X is a Saab-branded midsize SUV based on General Motors GM GMT platform, which also includes the Chevrolet TrailBlazer (and for this the 9-7X has been given the...

L52

L52
Vortec 3500 L52 engine in a 2005 GMC Canyon
Also called: Vortec 3500
Type: straight-5
Bore: 93 mm (3.7 in)
Stroke: 102 mm (4 in)
Displacement: 3.5 L (3,460 cc)
Power output: 220 hp (164 kW) @ 5600 RPM
Torque output: 225 ft·lbf (305 N·m) @ 2800 RPM

The L52 (also called Vortec 3500), is a straight-5 truck engine. It displaces 3.5 L (3460 cc), with a 93 mm bore and 102 mm stroke, and shares much with the rest of the Atlas family. It produces 220 hp (164 kW) @ 5600 RPM and 225 ft·lbf (305 N·m) @ 2800 RPM. Engine redline is 6300 RPM. Image File history File linksMetadata Download high resolution version (2272x1704, 1308 KB) Summary GMC Canyon Vortec 3500 LK5 straight-5 engine Licensing File links The following pages link to this file: GM Atlas engine Metadata This file contains additional information, probably added from the digital camera or scanner used to... The straight-5 or inline-5 is an internal combustion engine with five cylinders aligned in one row, sharing a single engine block and crankcase. ... The metre, or meter (symbol: m) is the SI base unit of length. ... An inch (plural: inches; symbol or abbreviation: in or, sometimes, ″ - a double prime) is the name of a unit of length in a number of different systems, including English units, Imperial units, and United States customary units. ... The metre, or meter (symbol: m) is the SI base unit of length. ... An inch (plural: inches; symbol or abbreviation: in or, sometimes, ″ - a double prime) is the name of a unit of length in a number of different systems, including English units, Imperial units, and United States customary units. ... One complete cycle of a four cylinder, four stroke engine. ... The litre or liter (U.S. spelling, see spelling differences) is a unit of volume. ... A cubic centimetre (cm3) is an SI derived unit of volume, equal to the volume of a cube with side length of 1 centimetre. ... hp, see HP (disambiguation) The horsepower (hp) is the name of several non-metric units of power. ... The watt (symbol: W) is the SI derived unit of power, equal to one joule per second. ... Revolutions per minute (abbreviated rpm, RPM, r/min, or min-1) is a unit of frequency, commonly used to measure rotational speed, in particular in the case of rotation around a fixed axis. ... Torque applied via an adjustable end wrench Relationship between force, torque, and momentum vectors in a rotating system In physics, torque (or often called a moment) can informally be thought of as rotational force or angular force which causes a change in rotational motion. ... Newton metre is the unit of moment (torque) in the SI system. ... Revolutions per minute (abbreviated rpm, RPM, r/min, or min-1) is a unit of frequency, commonly used to measure rotational speed, in particular in the case of rotation around a fixed axis. ... The straight-5 or inline-5 is an internal combustion engine with five cylinders aligned in one row, sharing a single engine block and crankcase. ... The driver of this DAF tractor with an auto-transport semi-trailer truck prepares to offload Å koda Octavia cars in Cardiff, Wales For other articles with similar names, see Lorry (disambiguation) and truck (disambiguation). ...


It is used in the following vehicles:

1956 Chevrolet Bel Air 2-door sedan The Chevrolet Bel Air was an automobile series produced by the Chevrolet division of General Motors from 1953–75. ... The Chevrolet Colorado and its counterpart the GMC Canyon are General Motors new compact pickup truck, replacing the Chevrolet S10 and GMC Sonoma in 2004. ... The Chevrolet Colorado (and similar GMC Canyon) is a compact pickup truck from General Motors. ... The Isuzu i-Series pickup truck line was launched at the 2005 New York International Auto Show. ... The Hummer H3 SUV/Tri/x is a vehicle from General Motors Hummer division, introduced in 2006. ...

L5R

The L5R (also called Vortec 3700), is a straight-5 truck engine. It displaces 3.7 L (3653 cc), courtesy of a larger 95.5 mm bore while keeping the 102 mm stroke, and shares much with the rest of the Atlas family. It produces 242 hp (180 kW) @ 5600 RPM and 242 ft·lbf (327 N·m) @ 2800 RPM. Engine redline is 6300 RPM. The straight-5 or inline-5 is an internal combustion engine with five cylinders aligned in one row, sharing a single engine block and crankcase. ... The driver of this DAF tractor with an auto-transport semi-trailer truck prepares to offload Å koda Octavia cars in Cardiff, Wales For other articles with similar names, see Lorry (disambiguation) and truck (disambiguation). ...


It is used in the following vehicles:

The Chevrolet Colorado and its counterpart the GMC Canyon are General Motors new compact pickup truck, replacing the Chevrolet S10 and GMC Sonoma in 2004. ... The Chevrolet Colorado (and similar GMC Canyon) is a compact pickup truck from General Motors. ... The Isuzu i-Series pickup truck line was launched at the 2005 New York International Auto Show. ... The Hummer H3 SUV/Tri/x is a vehicle from General Motors Hummer division, introduced in 2006. ...

LK5

The straight-4 LK5 engine is sold as the Vortec 2800 in GM trucks. Like its Atlas brothers, the LK5 has dual overhead cams, and shares their 93 mm bore and 102 mm stroke. The LK5 displaces 2.8 L (2770 cc) and produces 175 hp (131 kW) @ 5600 RPM and 185 ft·lbf (251 N·m) @ 2800 RPM. Engine redline is 6300 RPM. The straight-4 or inline-4 is an internal combustion engine with four cylinders aligned in one row. ... A double overhead cam (also called a dual overhead cam, DOHC, or twincam) engine is a type of internal combustion engine where the camshafts that operate the intake and exhaust valves are mounted above the cylinders, and where there are separate camshafts for inlet and exhaust valves. ...


It is used in the following vehicles:

The Chevrolet Colorado and its counterpart the GMC Canyon are General Motors new compact pickup truck, replacing the Chevrolet S10 and GMC Sonoma in 2004. ... The Chevrolet Colorado (and similar GMC Canyon) is a compact pickup truck from General Motors. ... The Isuzu i-Series pickup truck line was launched at the 2005 New York International Auto Show. ...

LLV

The straight-4 LLV engine is sold as the Vortec 2900 in GM trucks. It shares the same 95.5 mm bore and 102 mm stoke as the L5R Vortec 3700. The LLV displaces 2.9 L and produces 185 hp (138 kW) @ 5600 RPM and 195 ft·lbf (263 N·m) @ 2800 RPM. Engine redline is 6300 RPM. The straight-4 or inline-4 is an internal combustion engine with four cylinders aligned in one row. ...


It is used in the following vehicles:


  Results from FactBites:
 
GM Vortec engine: Information from Answers.com (1466 words)
The Vortec 2800, or LK5, is a 2.8 L straight-4 in the GM Atlas engine family, derived from the Vortec 4200 DOHC I6 found in the GMT360 series trucks (Chevrolet Trailblazer, among others).
The Vortec 3500, or L52, is a 3.5 L straight-5 in the GM Atlas engine family, derived from the Vortec 4200 DDOHC I6 found in the GMT360 series trucks (Chevrolet Trailblazer, among others).
The Vortec 4300 is a 90° V6 truck engine, replacing the Chevrolet 250 in light trucks and 200/229 90 degree V6s in passenger cars (the 200 and 229 were known as the V6-90, both were shortened versions of the Small Block Chevrolet).
  More results at FactBites »


 

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