General Motors 60° V6 engine
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The General Motors 60° V6 engine family is a series of 60° V6 engines produced for both
longitudinal Longitudinal is a geometric term of location which may refer to: * Longitude ** Line of longitude, also called a meridian * Longitudinal engine, an internal combustion engine in which the crankshaft is oriented along the long axis of the vehicle, ...
and
transverse Transverse may refer to: *Transverse engine, an engine in which the crankshaft is oriented side-to-side relative to the wheels of the vehicle *Transverse flute, a flute that is held horizontally * Transverse force (or ''Euler force''), the tangen ...
applications. All of these engines are 12-valve cam-in-block or
overhead valve engine An overhead valve (OHV) engine, sometimes called a ''pushrod engine'', is a piston engine whose valves are located in the cylinder head above the combustion chamber. This contrasts with earlier flathead engines, where the valves were located bel ...
s, except for the LQ1; which uses 24 valves driven by
dual overhead cams 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 cha ...
. These engines vary in displacement between and have a cast-iron block and either cast-iron or aluminum heads. Production of these engines began in 1980 and ended in 2005 in the U.S., with production continued in China until 2010. This engine family was the basis for the
GM High Value engine The High Value engine family from General Motors is a group of cam-in-block or "overhead valve" V6 engines. They use the same 60° vee bank as the 60° V6 family they are based on, but the new bore required offsetting the bores by away from th ...
family. These engines have also been referred to as the X engines due to their first usage in the X-body cars. This engine is not related to the
GMC V6 engine GMC Truck produced a unique 60 degree V6 engine family from 1959 through 1974, in gasoline and diesel versions. V8 and V12 derivatives of the basic design were also produced. Examples of this engine family were found in pickup trucks, Suburbans, ...
that was designed for commercial vehicle usage. This engine family was developed by Chevrolet although it was used by all of GM's divisions.


Generation I

The first generation of modern small GM 60° V6 engines featured an iron block and heads with inline valves. This "clean sheet" design was introduced in 1980 and versions were produced through 1995. Two different blocks with minor differences were developed: * A
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 ...
family for front-wheel drive * A
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 ...
family for
rear-wheel drive Rear-wheel drive (RWD) is a form of engine and transmission layout used in motor vehicles, in which the engine drives the rear wheels only. Until the late 20th century, rear-wheel drive was the most common configuration for cars. Most rear-wheel ...


Transverse

The
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 ...
s began the 60° family in 1980. Like the rest of the Generation I engines, they were updated in 1985 with larger main journals for durability, along with multi-point fuel injection or E2SE carb and OBD I. Production of the Generation I transverse engines ended in 1986.


LE2

The LE2 was the first version of the 60° engine. It was a transverse version produced from 1980 through 1986 for the A-body and X-body cars. The standard ("X-code") engine for this line, it used a two-barrel
carburetor A carburetor (also spelled carburettor) is a device used by an internal combustion engine to control and mix air and fuel entering the engine. The primary method of adding fuel to the intake air is through the venturi tube in the main meteri ...
. Output was for 1980 and '81 for 1982-86 and . Bore was and stroke was . Applications: * 1980–1985 Buick Skylark * 1986 Buick Century * 1986 Oldsmobile Cutlass Ciera & Cutlass Cruiser * 1980–1984
Oldsmobile Omega The Oldsmobile Omega is a compact car manufactured and marketed from 1973-1984 by Oldsmobile, as the brand's most affordable, entry level vehicle — across three distinct generations. The first two generations of the Omega used rear-wheel ...
* 1980–1984
Pontiac Phoenix The Pontiac Phoenix was a compact car that was sold from 1977 to 1984 by Pontiac. There were two generations of the Phoenix, both based on popular Chevrolet models, and both using the GM X platform designation. It was named for the mythological ...
* 1980–1985 Chevrolet Citation * 1982–1986
Pontiac 6000 The Pontiac 6000 is a Mid-size automobile manufactured and marketed by Pontiac for model years 1982-1991 in 2-door coupe, 4-door sedan and 5-door wagon body styles – as one of four rebadged variants, including the Buick Century, Chevrolet Celebri ...
* 1982–1986 Chevrolet Celebrity


LH7

Introduced in 1981, the LH7 was a High Output ("Z-code") version of the LE2 for the higher-performance X-cars like the Chevrolet Citation X-11 and higher-performance A-cars like the Pontiac 6000 STE. It retained a two-barrel carburetor and produced and for 1981 and for 1982-1984 versions. The LH7 was replaced after 1984 with the MFI L44. Applications: * 1982–1984 Buick Skylark T-Type * 1982–1984
Oldsmobile Omega The Oldsmobile Omega is a compact car manufactured and marketed from 1973-1984 by Oldsmobile, as the brand's most affordable, entry level vehicle — across three distinct generations. The first two generations of the Omega used rear-wheel ...
SX * 1982–1984
Pontiac Phoenix The Pontiac Phoenix was a compact car that was sold from 1977 to 1984 by Pontiac. There were two generations of the Phoenix, both based on popular Chevrolet models, and both using the GM X platform designation. It was named for the mythological ...
SJ/SE * 1981–1984 Chevrolet Citation X-11 * 1984 Chevrolet Celebrity (optional on first year Eurosport) * 1983–1984 Pontiac 6000 STE * 1989–1991 Isuzu Trooper/Trooper II


L44

The L44 was produced from 1985 to 1988, replacing the LH7. It was the first transverse to use multiport fuel injection, and was a High Output ("9-code") engine option for the higher performance A-cars, X-cars, and Pontiac Fiero. This engine produced at 5200 rpm and of torque at 3600 rpm.1984 General Motors, "Pontiac Fiero 1985 Do-It-Yourself" Manual, pg 3-21985 General Motors, "Pontiac Fiero 1986 Do-It-Yourself" Manual, pg 3-21986 General Motors, "1987 Pontiac Fiero Owner's Manual", pg 6-51987 General Motors, "1988 Pontiac Fiero Owner's Manual", pg 6-4 Applications: * 1985–1988 Pontiac Fiero * 1985–1986
Pontiac 6000 The Pontiac 6000 is a Mid-size automobile manufactured and marketed by Pontiac for model years 1982-1991 in 2-door coupe, 4-door sedan and 5-door wagon body styles – as one of four rebadged variants, including the Buick Century, Chevrolet Celebri ...
STE * 1985–1986 Chevrolet Celebrity Eurosport * 1985 Chevrolet Citation X-11


LB6

The LB6 engine was introduced in 1985 to replace the original LE2. It used multiport fuel injection and produced . Applications: *1985–1986 Cadillac Cimarron *1985–1994 Chevrolet Cavalier *1985 Chevrolet Citation *1985 Buick Skylark (sedan) *1985-1986 Chevrolet Celebrity *1985-1986
Pontiac 6000 The Pontiac 6000 is a Mid-size automobile manufactured and marketed by Pontiac for model years 1982-1991 in 2-door coupe, 4-door sedan and 5-door wagon body styles – as one of four rebadged variants, including the Buick Century, Chevrolet Celebri ...
*1985–1987
Oldsmobile Firenza The Oldsmobile Firenza was a compact car which was produced by Oldsmobile from 1982 to 1988. It was based on the front-wheel drive GM J platform, which was shared with the Buick Skyhawk, Cadillac Cimarron, Chevrolet Cavalier and Pontiac Sunbird. ...
(GT)


LG6

The LG6 ("D-code") was produced from 1990 to 1996 in both transverse and longitudinal applications. It used
throttle-body fuel injection Manifold injection is a mixture formation system for internal combustion engines with external mixture formation. It is commonly used in engines with spark ignition that use petrol as fuel, such as the Otto engine, and the Wankel engine. In a mani ...
and iron heads. It produced and . Applications: *1990–1995
Chevrolet Lumina APV The Chevrolet Lumina APV is a minivan that was produced by the Chevrolet division of General Motors. The first front-wheel drive minivan sold by Chevrolet, the Lumina APV was sold in a single generation from the 1990 to 1996 model years. Markete ...
*1990–1995
Oldsmobile Silhouette The Oldsmobile Silhouette is a minivan manufactured by General Motors for model years 1990–2004 over two generations. Production ended when General Motors discontinued its Oldsmobile brand in 2004. GM continued to market badge engineered va ...
*1990–1995
Pontiac Trans Sport The Pontiac Trans Sport is a minivan marketed by the Pontiac division of General Motors over two generations for model years 1990-1999 along with GM badge engineered variants, the Chevrolet Lumina APV and Oldsmobile Silhouette. Introduced a y ...
*1990–1992
Isuzu Rodeo The Isuzu Rodeo is an automotive nameplate that was used by the Japanese automobile manufacturer Isuzu between 1988 and 2004. Isuzu has utilized the "Rodeo" name on two different vehicles—a compact pickup truck sold in Japan—and a midsize SU ...
*1991–1994
Isuzu Pup The Isuzu Faster is a pickup truck that was manufactured and marketed by Isuzu between 1972 and 2002 over three generations. The Faster was succeeded worldwide by Isuzu D-Max, except in North America. First generation (1972–1980) Isu ...


Longitudinal

The
longitudinal Longitudinal is a geometric term of location which may refer to: * Longitude ** Line of longitude, also called a meridian * Longitudinal engine, an internal combustion engine in which the crankshaft is oriented along the long axis of the vehicle, ...
versions had minor differences from the transverse engines on which they were based. This group appeared in 1982 with the LC1 and LR2 and never added the aluminum heads of the Generation II engines. Like the rest of the family, larger journals appeared in 1985, along with
multiport fuel injection Fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by the means of an injector. This article focuses on fuel injection in reciprocating piston and Wankel rotary engines. All compr ...
for the F-body LB8 version.
TBI TBI may refer to: Medicine * toe-brachial index, a parameter for the diagnosis of peripheral arterial disease * Total body irradiation, a form of radiation therapy used most commonly in bone marrow transplantation * Tracheobronchial injury, an inj ...
was added for the truck version in 1986. A version was added in 1990 with an longer stroke (now 84mm), and a appeared for 1993 with a bore and
SFI SFI may refer to: Organisations * Santa Fe Institute, a theoretical research institute located in Santa Fe, US * Saturday Football International, Taiwanese football club * Science Foundation Ireland, the statutory body in the Republic of Ireland f ...
. Production of the ( Isuzu) engines ended in 1994. Production ended for all longitudinal 60° V6s in 1996. GM's performance-parts division continued production of a related crate engine after 1999. 2.8 Applications: * 1986-1993
Chevrolet S-10 The Chevrolet S-10 is a compact pickup truck that was produced by Chevrolet. It was the first domestically built compact pickup of the big three American automakers. When it was first introduced as a "quarter-ton pickup" in 1981 for the 1982 m ...
* 1986-1993
GMC S-15 S15 may refer to: Aircraft * Sikorsky S-15, a protoype Russian biplane floatplane * Spalinger S.15, a Swiss glider * Stemme ASP S15, a German sailplane Automobiles * GMC Jimmy (S-15), a SUV * Laffly S15, a family of French all-terrain military ...
/ GMC Sonoma * 1986-1993 Chevrolet S-10 Blazer * 1986-1993
GMC S-15 Jimmy GMC may refer to: Government India * Gandhinagar Municipal Corporation, in Gujarat * Gobichettipalayam Municipal Corporation, in Tamil Nadu * Guntur Municipal Corporation, in Andhra Pradesh * Guwahati Municipal Corporation, in Assam * Gwalior ...
* 1988-1991 Isuzu Trooper II 3.1 Applications: * 1991-1992
Isuzu Rodeo The Isuzu Rodeo is an automotive nameplate that was used by the Japanese automobile manufacturer Isuzu between 1988 and 2004. Isuzu has utilized the "Rodeo" name on two different vehicles—a compact pickup truck sold in Japan—and a midsize SU ...
* 1991-1994 Isuzu Pickup


LC1

The longitudinal LC1 was produced from 1982 to 1984. It was a 2-barrel High Output ("1-code") version for the F-body cars. Output was and . It was replaced by the LB8 for 1985. Applications: * 1982–1984 Chevrolet Camaro * 1982–1984
Pontiac Firebird The Pontiac Firebird is an American automobile that was built and produced by Pontiac from the 1967 to 2002 model years. Designed as a pony car to compete with the Ford Mustang, it was introduced on February 23, 1967, five months after GM's Che ...


LR2

The longitudinal LR2 was a truck version ("B-code") produced from 1982 to 1990. It used a two-barrel carburetor and produced and . Applications: * 1982–1986
Chevrolet S-10 The Chevrolet S-10 is a compact pickup truck that was produced by Chevrolet. It was the first domestically built compact pickup of the big three American automakers. When it was first introduced as a "quarter-ton pickup" in 1981 for the 1982 m ...
/ Chevrolet S-10 Blazer * 1982–1986
GMC S-15 S15 may refer to: Aircraft * Sikorsky S-15, a protoype Russian biplane floatplane * Spalinger S.15, a Swiss glider * Stemme ASP S15, a German sailplane Automobiles * GMC Jimmy (S-15), a SUV * Laffly S15, a family of French all-terrain military ...
/
GMC S-15 Jimmy GMC may refer to: Government India * Gandhinagar Municipal Corporation, in Gujarat * Gobichettipalayam Municipal Corporation, in Tamil Nadu * Guntur Municipal Corporation, in Andhra Pradesh * Guwahati Municipal Corporation, in Assam * Gwalior ...
* 1984–1986
Jeep Cherokee The Jeep Cherokee is a line of SUVs manufactured and marketed by Jeep over five generations. Originally marketed as a variant of the Jeep Wagoneer, the Cherokee has evolved from a full-size SUV to one of the first compact SUVs and into its curr ...
* 1986 Jeep Comanche


LL1/LL2

The longitudinal LL1 was a high-output version of the LC1 produced in 1983 and 1984. It was an optional ("L-code") engine on the Pontiac Firebird with . Applications: *1983–1984
Pontiac Firebird The Pontiac Firebird is an American automobile that was built and produced by Pontiac from the 1967 to 2002 model years. Designed as a pony car to compete with the Ford Mustang, it was introduced on February 23, 1967, five months after GM's Che ...
The carbureted LL2 ("R-code") was produced from 1982 to 1988. Another LL2 ("R-code") with
throttle-body fuel injection Manifold injection is a mixture formation system for internal combustion engines with external mixture formation. It is commonly used in engines with spark ignition that use petrol as fuel, such as the Otto engine, and the Wankel engine. In a mani ...
was produced from 1986 to 1993. Output of the TBI version was . Applications: * 1986–1993
Chevrolet S-10 The Chevrolet S-10 is a compact pickup truck that was produced by Chevrolet. It was the first domestically built compact pickup of the big three American automakers. When it was first introduced as a "quarter-ton pickup" in 1981 for the 1982 m ...
/ Chevrolet S-10 Blazer * 1986–1993
GMC S-15 S15 may refer to: Aircraft * Sikorsky S-15, a protoype Russian biplane floatplane * Spalinger S.15, a Swiss glider * Stemme ASP S15, a German sailplane Automobiles * GMC Jimmy (S-15), a SUV * Laffly S15, a family of French all-terrain military ...
/
GMC S-15 Jimmy GMC may refer to: Government India * Gandhinagar Municipal Corporation, in Gujarat * Gobichettipalayam Municipal Corporation, in Tamil Nadu * Guntur Municipal Corporation, in Andhra Pradesh * Guwahati Municipal Corporation, in Assam * Gwalior ...
* 1989–1991 Isuzu Trooper


LB8

The LB8 ("S-code") replaced the LC1 in 1985 and was produced until 1989. It used multiport fuel injection and was made for longitudinal mounting. Output was and . Applications: * 1985–1989 Chevrolet Camaro * 1985–1989
Pontiac Firebird The Pontiac Firebird is an American automobile that was built and produced by Pontiac from the 1967 to 2002 model years. Designed as a pony car to compete with the Ford Mustang, it was introduced on February 23, 1967, five months after GM's Che ...


LH0

The LH0 as used in the rear-wheel drive applications differed significantly from that used in front-wheel drive applications. The latter retained the Generation-I architecture block and heads. Output was and . Applications: * 1990–1992 Chevrolet Camaro * 1990–1992
Pontiac Firebird The Pontiac Firebird is an American automobile that was built and produced by Pontiac from the 1967 to 2002 model years. Designed as a pony car to compete with the Ford Mustang, it was introduced on February 23, 1967, five months after GM's Che ...
* 1990-1992 Oldsmobile Cutlass Ciera S


L32

The power rating of the L32 ("S-code") used in the Camaro and Firebird was at 4,600 rpm and torque at 3600 rpm and has 92 mm × 84 mm (3.62 in × 3.31 in) bore and stroke . The F-body cars used the Generation I architecture, with iron heads, and without splayed valves. Applications: * 1993–1994 Chevrolet Camaro (California models) Buick V6 engine#L36 Naturally Aspirated * 1993–1995 Chevrolet Camaro * 1993–1994
Pontiac Firebird The Pontiac Firebird is an American automobile that was built and produced by Pontiac from the 1967 to 2002 model years. Designed as a pony car to compete with the Ford Mustang, it was introduced on February 23, 1967, five months after GM's Che ...
(California models) * 1993–1995
Pontiac Firebird The Pontiac Firebird is an American automobile that was built and produced by Pontiac from the 1967 to 2002 model years. Designed as a pony car to compete with the Ford Mustang, it was introduced on February 23, 1967, five months after GM's Che ...


Generation II

The second generation, still , was introduced in 1987. It used aluminum heads with splayed valves and an aluminum front cover. It was produced exclusively for transverse, front-wheel drive use. The next year, Chevrolet introduced a full-production long-stroke version in the
Pontiac 6000 The Pontiac 6000 is a Mid-size automobile manufactured and marketed by Pontiac for model years 1982-1991 in 2-door coupe, 4-door sedan and 5-door wagon body styles – as one of four rebadged variants, including the Buick Century, Chevrolet Celebri ...
STE AWD, with a bore and stroke compared to the 2.8 which shared the same bore, however with a in stroke. It was produced simultaneously with the in various compact and midsized vehicles until 1990, when the was dropped. MPFI was used on both, and a full-production turbo version was available on the . An even higher displacement DOHC LQ1 was also developed, and eventually, the new
GM High Value engine The High Value engine family from General Motors is a group of cam-in-block or "overhead valve" V6 engines. They use the same 60° vee bank as the 60° V6 family they are based on, but the new bore required offsetting the bores by away from th ...
family followed. Production of OHV Generation II engines ended in 1994 after the introduction of the Generation III in 1993.


LB6

The 60° V6 was used in these vehicles: * 1987–1989 Buick Century * 1988–1989 Buick Regal * 1987–1988 Cadillac Cimarron * 1987–1989
Chevrolet Beretta The Chevrolet Beretta is a front-wheel-drive two-door coupé produced by Chevrolet from 1987 until 1996. The Beretta was designed in the same design studio as the Camaro and the Corvette, Chevrolet Exterior Studio 3, and was built at the Wilm ...
* 1987–1989 Chevrolet Cavalier Z24 * 1990–1994 Mexican Chevrolet Cavalier * 1987–1989 Chevrolet Celebrity * 1987–1989
Chevrolet Corsica The Chevrolet Corsica (named after Corsica, France) is a front-wheel drive compact car that was produced by Chevrolet from 1987 until 1996. The Corsica was built upon the L-body platform. It shared the L-body with the 2-door Beretta, and the reb ...
* 1987–1989 Oldsmobile Cutlass Ciera * 1988–1989 Oldsmobile Cutlass Supreme * 1987–1989
Pontiac 6000 The Pontiac 6000 is a Mid-size automobile manufactured and marketed by Pontiac for model years 1982-1991 in 2-door coupe, 4-door sedan and 5-door wagon body styles – as one of four rebadged variants, including the Buick Century, Chevrolet Celebri ...
* 1988–1989
Pontiac Grand Prix The Grand Prix is a line of automobiles produced by the Pontiac Division of General Motors from 1962 until 2002 for coupes and 1989–2008 for sedans. First introduced as a full-size performance coupe for the 1962 model year, the model varied ...


LH0

The LH0 ("T-code") was introduced in 1988 on the Pontiac 6000 STE AWD, featuring more advanced multi-port fuel injection. It was produced until 1994 (1996 for the Mexican market) and was exported in some models. This engine produced and of torque from 1988–1989, then upgraded to at 4800 rpm and of torque at 3600 rpm. Applications: *1989–1993 Buick Regal *1990–1993
Chevrolet Beretta The Chevrolet Beretta is a front-wheel-drive two-door coupé produced by Chevrolet from 1987 until 1996. The Beretta was designed in the same design studio as the Camaro and the Corvette, Chevrolet Exterior Studio 3, and was built at the Wilm ...
*1990–1994 Chevrolet Cavalier *1990 Chevrolet Celebrity *1990–1993
Chevrolet Corsica The Chevrolet Corsica (named after Corsica, France) is a front-wheel drive compact car that was produced by Chevrolet from 1987 until 1996. The Corsica was built upon the L-body platform. It shared the L-body with the 2-door Beretta, and the reb ...
*1990–1994
Chevrolet Lumina The Chevrolet Lumina is a mid-size car that was produced and marketed by the Chevrolet division of General Motors from 1989 until 2001. __TOC__ Background The first generation of the Lumina replaced the Chevrolet Celebrity and Chevrolet Mon ...
*1989–1993 Oldsmobile Cutlass Supreme *1988–1991
Pontiac 6000 The Pontiac 6000 is a Mid-size automobile manufactured and marketed by Pontiac for model years 1982-1991 in 2-door coupe, 4-door sedan and 5-door wagon body styles – as one of four rebadged variants, including the Buick Century, Chevrolet Celebri ...
(STE AWD 1988-89, all models 1990-91) *1989–1993
Pontiac Grand Prix The Grand Prix is a line of automobiles produced by the Pontiac Division of General Motors from 1962 until 2002 for coupes and 1989–2008 for sedans. First introduced as a full-size performance coupe for the 1962 model year, the model varied ...
*1991–1994
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 intr ...
*1990–1996 Chevrolet Cutlass (Mexico) *1990–1996 Chevrolet Century (Mexico)


L64

The L64 ("W-code") was introduced in 1991 as flexible-fuel version of the . The two versions were one that could run M85 and one that could run
E85 E85 is an abbreviation typically referring to an ethanol fuel blend of 85% ethanol fuel and 15% gasoline or other hydrocarbon by volume. In the United States, the exact ratio of fuel ethanol to hydrocarbon may vary according to ASTM 5798 that ...
. Uses: *1991–1993
Chevrolet Lumina The Chevrolet Lumina is a mid-size car that was produced and marketed by the Chevrolet division of General Motors from 1989 until 2001. __TOC__ Background The first generation of the Lumina replaced the Chevrolet Celebrity and Chevrolet Mon ...
''VFV'' *1992–1993
Chevrolet Lumina The Chevrolet Lumina is a mid-size car that was produced and marketed by the Chevrolet division of General Motors from 1989 until 2001. __TOC__ Background The first generation of the Lumina replaced the Chevrolet Celebrity and Chevrolet Mon ...
''E85 VFV''


LG5

The LG5 ("V-code") was a special
turbocharged In an internal combustion engine, a turbocharger (often called a turbo) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake gas, forcing more air into the engine in order to pro ...
engine produced with
McLaren McLaren Racing Limited is a British motor racing team based at the McLaren Technology Centre in Woking, Surrey, England. McLaren is best known as a Formula One constructor, the second oldest active team, and the second most successful Formul ...
for the 1989 and 1990 model years. It featured the same multiport fuel injection intake manifolds and throttle body as the LH0, and produced at 5200 rpm and of torque at 2100 rpm. Around 3,700 engines were produced each year. This engine had a block with more nickel content and hardened internals. Applications: *1989–1990
Pontiac Grand Prix The Grand Prix is a line of automobiles produced by the Pontiac Division of General Motors from 1962 until 2002 for coupes and 1989–2008 for sedans. First introduced as a full-size performance coupe for the 1962 model year, the model varied ...
Turbo *1990
Pontiac Grand Prix The Grand Prix is a line of automobiles produced by the Pontiac Division of General Motors from 1962 until 2002 for coupes and 1989–2008 for sedans. First introduced as a full-size performance coupe for the 1962 model year, the model varied ...
Turbo STE


LQ1

The LQ1 (also called the Twin Dual Cam or TDC) was a DOHC V6 engine ("X-code") based on the aluminum-headed second generation of GM's 60° engine line, sharing a similar block with its
pushrod A valvetrain or valve train is a mechanical system that controls the operation of the intake and exhaust valves in an internal combustion engine. The intake valves control the flow of air/fuel mixture (or air alone for direct-injected engines) ...
cousins, the 3.1 L
LH0 LH or lh may refer to: Arts and entertainment *Laurel and Hardy, a comedy double act during the early Classical Hollywood era of American cinema * " Little Hide", 1998 single by Snow Patrol * Lovehammers, a Chicago-based band *'' Love Hina'', a 19 ...
V6 and the then recently retired LB6 V6. The engine was built only for front-wheel drive applications, and was featured exclusively in the first generation of GM's W-body platform. It was built from 1991 to 1997. From 1991 to 1993, it used tuned multiport fuel injection, made at 5200 rpm and of torque at 4000 rpm. From 1994 to 1997, it used sequential port fuel injection, making at 5200 rpm and of torque at 4000 rpm. In 1996, the heads were redesigned for better flow, as well as now making the engine an interference design and adapting the engine for federally mandated OBDII emissions. Output for the 1996-1997 LQ1 is and . It had four valves per cylinder. The engine substituted the standard camshaft for a chain driven intermediate shaft, which drives four overhead cams via a cogged belt. Adapting the 60°pushrod block for the LQ1's overhead cams significantly increased packaged engine height. Bore was increased to , and the engine's stroke was retained. Only a few interchangeable parts are use between this DOHC engine and other members of the 60° family, primarily the connecting rods and crankshaft. The heads and intake manifolds were redesigned for the 1996 model year, incorporating a larger throttle body and plenum area, slightly longer intake runners, cloverleaf combustion chambers, and larger "pill"-shaped exhaust ports. Camshafts and cam timing were also revised for the new, higher-rpm powerband. Optional from 1991 to 1993 was a Getrag 284 five-speed manual
transaxle A transaxle is a single mechanical device which combines the functions of an automobile's transmission, axle, and differential into one integrated assembly. It can be produced in both manual and automatic versions. Engine and drive at the ...
, which was also exclusive to the
GM W platform The W-platform (also known as the W-body) was a General Motors automobile platform which underpinned both mid size and full-size front-wheel drive cars. Originally code named GM10, it began development in 1982 under Chairman Roger B. Smith and ...
and was available only with the LQ1. The electronically controlled
Hydramatic Hydramatic (also known as Hydra-Matic) is an automatic transmission developed by both General Motors' Cadillac and Oldsmobile divisions. Introduced in 1939 for the 1940 model year vehicles, the ''Hydramatic'' was the first mass-produced fully-a ...
4T60-E The 4T60-E (and similar 4T65-E) is a series of automatic transmissions from General Motors. Designed for transverse engine configurations, the series includes 4 forward gears. The 4Txx family is an evolution of the original Turbo-Hydramatic 125 tr ...
four-speed automatic
transaxle A transaxle is a single mechanical device which combines the functions of an automobile's transmission, axle, and differential into one integrated assembly. It can be produced in both manual and automatic versions. Engine and drive at the ...
was the alternative, used during the entire production run with the exception of the 1997 Monte Carlo Z34 and 1997 Lumina LTZ, which received the 4T65-E. Applications: * 1991–1997
Chevrolet Lumina The Chevrolet Lumina is a mid-size car that was produced and marketed by the Chevrolet division of General Motors from 1989 until 2001. __TOC__ Background The first generation of the Lumina replaced the Chevrolet Celebrity and Chevrolet Mon ...
* 1995–1997 Chevrolet Monte Carlo * 1991–1996 Oldsmobile Cutlass Supreme * 1991–1996
Pontiac Grand Prix The Grand Prix is a line of automobiles produced by the Pontiac Division of General Motors from 1962 until 2002 for coupes and 1989–2008 for sedans. First introduced as a full-size performance coupe for the 1962 model year, the model varied ...


Generation III

The third generation of the 60° engine was introduced in the 1993 Oldsmobile Cutlass Supreme. Like its predecessors, it continued to use an
overhead valve An overhead valve (OHV) engine, sometimes called a ''pushrod engine'', is a piston engine whose valves are located in the cylinder head above the combustion chamber. This contrasts with earlier flathead engines, where the valves were located be ...
configuration with two valves per cylinder, a cast-iron
cylinder block In an internal combustion engine, the engine block is the structure which contains the cylinders and other components. In an early automotive engine, the engine block consisted of just the cylinder block, to which a separate crankcase was attac ...
,
aluminum Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. It has ...
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 ov ...
s, and an aluminum intake manifold. However, the heads and intake manifold were redesigned for better air flow, the cylinder block was stiffened, and the flat-tappets of the generation I and II engines were replaced with roller tappets. This generation also came standard with sequential multiport fuel injection and structural oil pan.


3.1 L/3100


L82

The L82 ("M-code") was an updated, SFI replacement for the MPFI
LH0 LH or lh may refer to: Arts and entertainment *Laurel and Hardy, a comedy double act during the early Classical Hollywood era of American cinema * " Little Hide", 1998 single by Snow Patrol * Lovehammers, a Chicago-based band *'' Love Hina'', a 19 ...
, produced from 1993 through 1999. It featured a structural oil pan, a stiffer redesigned engine block, sequential fuel injection, and revised aluminum heads. Output for the L82 was up , over the previous Gen II LH0, to at 5200 rpm and at 4000 rpm. Compression ratio for the L82 was 9.5:1 and the bore measured , while the stroke was giving it a displacement of . Applications: * 1994–1999 Buick Century * 1994–1996 Buick Regal * 1994–1998 Buick Skylark * 1994–1996
Chevrolet Beretta The Chevrolet Beretta is a front-wheel-drive two-door coupé produced by Chevrolet from 1987 until 1996. The Beretta was designed in the same design studio as the Camaro and the Corvette, Chevrolet Exterior Studio 3, and was built at the Wilm ...
* 1994–1996
Chevrolet Corsica The Chevrolet Corsica (named after Corsica, France) is a front-wheel drive compact car that was produced by Chevrolet from 1987 until 1996. The Corsica was built upon the L-body platform. It shared the L-body with the 2-door Beretta, and the reb ...
* 1995–1999
Chevrolet Lumina The Chevrolet Lumina is a mid-size car that was produced and marketed by the Chevrolet division of General Motors from 1989 until 2001. __TOC__ Background The first generation of the Lumina replaced the Chevrolet Celebrity and Chevrolet Mon ...
* 1997–1999 Chevrolet Malibu * 1995–1999 Chevrolet Monte Carlo * 1994–1998 Oldsmobile Achieva * 1997–1999 Oldsmobile Cutlass GLS * 1994–1996 Oldsmobile Cutlass Ciera * 1993–1997 Oldsmobile Cutlass Supreme (1993 received both
LH0 LH or lh may refer to: Arts and entertainment *Laurel and Hardy, a comedy double act during the early Classical Hollywood era of American cinema * " Little Hide", 1998 single by Snow Patrol * Lovehammers, a Chicago-based band *'' Love Hina'', a 19 ...
and L82 motors) * 1994–1998
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 ...
* 1994–1999
Pontiac Grand Prix The Grand Prix is a line of automobiles produced by the Pontiac Division of General Motors from 1962 until 2002 for coupes and 1989–2008 for sedans. First introduced as a full-size performance coupe for the 1962 model year, the model varied ...


LG8

The LG8 ("J-code") was an updated version of the engine that displaced . It still had an iron block and two-valve pushrod aluminum heads and full sequential port fuel injection. The LG8 also featured a new intake manifold and numerous changes to improve parts-sharing with the larger-displacement LA1 3400. Emissions were improved with
secondary air injection Secondary air injection (commonly known as air injection) is a vehicle emissions control strategy introduced in 1966, wherein fresh air is injected into the exhaust stream to allow for a fuller secondary combustion of exhaust gases. Development T ...
and it earned
LEV Lev may refer to: Common uses *Bulgarian lev, the currency of Bulgaria *an abbreviation for Leviticus, the third book of the Hebrew Bible and the Torah People and fictional characters *Lev (given name) *Lev (surname) Places *Lev, Azerbaijan, a ...
status. The engine featured a bore and a stroke and a 9.6:1 compression ratio. It produced and . The LG8 was built in
Ramos Arizpe Ramos Arizpe () is a city and seat of the surrounding municipality of the same name in the Mexican state of Coahuila. Ramos Arizpe is located 11 km from the state capital of Saltillo. It is part of the Saltillo metropolitan area. The city ...
,
Coahuila Coahuila (), formally Coahuila de Zaragoza (), officially the Free and Sovereign State of Coahuila de Zaragoza ( es, Estado Libre y Soberano de Coahuila de Zaragoza), is one of the 32 states of Mexico. Coahuila borders the Mexican states of N ...
,
Mexico Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...
and Tonawanda, New York. Applications: * 2000–2005 Buick Century * 1999–2003 Chevrolet Malibu * 2000–2001
Chevrolet Lumina The Chevrolet Lumina is a mid-size car that was produced and marketed by the Chevrolet division of General Motors from 1989 until 2001. __TOC__ Background The first generation of the Lumina replaced the Chevrolet Celebrity and Chevrolet Mon ...
* 2000–2003 Pontiac Grand Prix SE


3.4/3400


LA1

The LA1 or 3400 ("E-code") was a larger-bore version of the L82. It was first used on the 1996 U-platform minivans. It displaces and has bore and stroke with a 9.5:1 compression ratio. Emissions are controlled via a
catalytic converter A catalytic converter is an exhaust emission control device that converts toxic gases and pollutants in exhaust gas from an internal combustion engine into less-toxic pollutants by catalyzing a redox reaction. Catalytic converters are usually ...
and exhaust gas recirculation; however, the
Pontiac Aztek The Pontiac Aztek is a mid-size crossover SUV marketed by General Motors from model years 2001 until 2005, along with a rebadged variant, the Buick Rendezvous. As a 5-door crossover with a front engine with front-wheel drive and optional all-whee ...
and Buick Rendezvous do not use the latter. Fuel shut-off is at 6000 rpm. Starting around 2000, most vehicles are equipped with GM's
Engine Oil Life Monitor Motor oil, engine oil, or engine lubricant is any one of various substances used for the lubrication of internal combustion engines. They typically consist of base oils enhanced with various additives, particularly antiwear additives, detergen ...
. This engine was assembled at both
Tonawanda engine Tonawanda Engine is a General Motors engine factory in Buffalo, New York. The plant consists of three facilities totaling and sits upon . The factory receives cast engine blocks from Defiance Foundry in Defiance, Ohio and Saginaw Metal Casting Op ...
and the Mexican Ramos Arizpe engine plant. Applications: * 2002–2005 Buick Rendezvous * 2000–2005
Chevrolet Impala The Chevrolet Impala () is a full-size car built by Chevrolet for model years 1958 to 1985, 1994 to 1996, and 2000 to 2020. The Impala was Chevrolet's popular flagship passenger car and was among the better-selling American-made automobiles in ...
* 2000–2005 Chevrolet Monte Carlo * 1996
Chevrolet Lumina Minivan The Chevrolet Lumina APV is a minivan that was produced by the Chevrolet division of General Motors. The first front-wheel drive minivan sold by Chevrolet, the Lumina APV was sold in a single generation from the 1990 to 1996 model years. Marke ...
* 1997–2005 Chevrolet Venture * 1999–2004
Oldsmobile Alero The Oldsmobile Alero is a midsize car that was produced by General Motors for its Oldsmobile division. Introduced in 1998 as a 1999 model, the Alero was the replacement for both the Achieva and Cutlass. The Alero was Oldsmobile's last new model ...
* 1996–2004
Oldsmobile Silhouette The Oldsmobile Silhouette is a minivan manufactured by General Motors for model years 1990–2004 over two generations. Production ended when General Motors discontinued its Oldsmobile brand in 2004. GM continued to market badge engineered va ...
* 2001–2005
Pontiac Aztek The Pontiac Aztek is a mid-size crossover SUV marketed by General Motors from model years 2001 until 2005, along with a rebadged variant, the Buick Rendezvous. As a 5-door crossover with a front engine with front-wheel drive and optional all-whee ...
* 1999–2005
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 ...
* 1999–2005
Pontiac Montana The Pontiac Montana is a minivan that was sold by General Motors under the Pontiac brand for model years 1997 to 2009. Its badge-engineered variants were the Chevrolet Venture and the Oldsmobile Silhouette in the first generation, and the Chevro ...
* 1996–1998
Pontiac Trans Sport The Pontiac Trans Sport is a minivan marketed by the Pontiac division of General Motors over two generations for model years 1990-1999 along with GM badge engineered variants, the Chevrolet Lumina APV and Oldsmobile Silhouette. Introduced a y ...


Production in China by SAIC-GM

GM partnered with
SAIC Motor SAIC Motor Corp., Ltd. (formerly Shanghai Automotive Industry Corporation) is a Chinese state-owned automobile manufacturer headquartered in Anting, Shanghai. Founded in 1955, it is currently the largest of the " Big Four" state-owned car manu ...
to form SAIC-GM in 1997. This partnership manufactured variants of the 60° V6 engine in China, primarily for use in Chinese market GM products. Chinese-built LNJ engines were used in the US for the 2005-2009 Chevrolet Equinox and
Pontiac Torrent The Pontiac Torrent is a mid-size crossover SUV produced by General Motors for the 2006 to 2009 model years. A replacement for the Aztek, it was a mildly restyled version of the first-generation Chevrolet Equinox. The Torrent shared its basic b ...
.


LB8

The LB8 is
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 ...
' base V6 in China. It is a derivative of the LG8 with the same bore and a shorter stroke for . It remains an iron block with pushrods and an aluminum two-valve head. Power is and . Applications: * Buick GL/GLX (China) * Buick GL8 (China) * Buick Regal (China)


LW9

The LW9 is a larger version of the LB8 with an stroke for . Power is and torque is . Applications: * Buick GL/GLX (China) * Buick GL8 (China)


LNJ

An updated version of the Generation III 3400 engine. It includes a new block, intake manifold, oil pan, engine cover, and fuel system, as well as electronic throttle control. It was built in China and shipped to Canada for installation in the Chevrolet Equinox and
Pontiac Torrent The Pontiac Torrent is a mid-size crossover SUV produced by General Motors for the 2006 to 2009 model years. A replacement for the Aztek, it was a mildly restyled version of the first-generation Chevrolet Equinox. The Torrent shared its basic b ...
. The LNJ makes and . Applications: * 2005-2009 Chevrolet Equinox * 2006-2009
Pontiac Torrent The Pontiac Torrent is a mid-size crossover SUV produced by General Motors for the 2006 to 2009 model years. A replacement for the Aztek, it was a mildly restyled version of the first-generation Chevrolet Equinox. The Torrent shared its basic b ...


See also

*
GM High Value engine The High Value engine family from General Motors is a group of cam-in-block or "overhead valve" V6 engines. They use the same 60° vee bank as the 60° V6 family they are based on, but the new bore required offsetting the bores by away from th ...
- the new generation of the GM 60° V6, including the "3900" and
variable valve timing In internal combustion engines, variable valve timing (VVT) is the process of altering the timing of a valve lift event, and is often used to improve performance, fuel economy or emissions. It is increasingly being used in combination with varia ...
-enhanced engines * Chevrolet 90° V6 engine *
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 we ...
* List of GM bellhousing patterns#GM metric pattern


References

*Road and Track Magazine, April 1989. ''(1989-1990 Turbo Grand Prix performance figures)'' *1995 Corsica/Beretta Service Manual, 1994, General Motors Corporation ''(Gen III/L82 Engine's usage in Corsica/Beretta)''


External links


60degreev6.com
{{DEFAULTSORT:Gm 60-Degree V6 Engine 60-Degree V6 V6 engines Gasoline engines by model