Chrysler K engine
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The 2.2 and 2.5 are a family of
inline-4 engine A straight-four engine (also called an inline-four) is a four-cylinder piston engine where cylinders are arranged in a line along a common crankshaft. The vast majority of automotive four-cylinder engines use a straight-four layout (with the e ...
s developed by
Chrysler Corporation Stellantis North America (officially FCA US and formerly Chrysler ()) is one of the " Big Three" automobile manufacturers in the United States, headquartered in Auburn Hills, Michigan. It is the American subsidiary of the multinational automoti ...
originally for the Chrysler K- and L-platforms cars and subsequently used in many other Chrysler vehicles. After its launch in 1981, it became the basis for all Chrysler-developed 4-cylinder engines until the Chrysler 1.8, 2.0 & 2.4 engine family was released in 1994. It was the first Chrysler engineered four cylinder engine since the Chrysler flathead four cylinder was discontinued in 1933.


2.2

The first version of this engine family was a
normally aspirated Normality is a behavior that can be normal for an individual (intrapersonal normality) when it is consistent with the most common behavior for that person. Normal is also used to describe individual behavior that conforms to the most common beh ...
unit. Developed under the leadership of Chief Engineer – Engine Design and Development
Willem Weertman Willem Weertman is an American engineer known for his work as an engineer at Chrysler Corporation, where he was actively involved in the creation of many of the company's most famous engines, including the Slant Six, 2.2 four, and LA V8 (318, ...
and head of performance tuning Charles "Pete" Hagenbuch, who had worked on most of Chrysler's V-8 engines and the
Chrysler Slant-6 engine The Slant-Six is the popular name for a Chrysler inline-6 internal combustion engine with an overhead valve reverse-flow cylinder head and cylinder bank inclined at a 30-degree angle from vertical. Introduced in 1959, it was known within Chrysl ...
, it was introduced in the 1981
Dodge Aries The Plymouth Reliant and Dodge Aries are mid size cars introduced for model year 1981 as the first " K-cars" manufactured and marketed by the Chrysler Corporation. The Reliant and Aries were the smallest cars to have the traditional 6 passen ...
,
Dodge Omni The Dodge Omni (and the nearly identical Plymouth Horizon) is a subcompact car that was produced by Chrysler Corporation from the 1978 to 1990 model years. The first Chrysler model line produced with front-wheel drive, the Omni and Horizon were ...
,
Plymouth Horizon The horizon is the apparent line that separates the surface of a celestial body from its sky when viewed from the perspective of an observer on or near the surface of the relevant body. This line divides all viewing directions based on whether i ...
and
Plymouth Reliant The Plymouth Reliant and Dodge Aries are mid size cars introduced for model year 1981 as the first " K-cars" manufactured and marketed by the Chrysler Corporation. The Reliant and Aries were the smallest cars to have the traditional 6 passeng ...
, and was produced until 2000. The design is derived from the Slant-Six, but missing two cylinders and fully metric. The 2.2 has an
undersquare In a reciprocating piston engine, the stroke ratio, defined by either bore/stroke ratio or stroke/bore ratio, is a term to describe the ratio between cylinder bore diameter and piston stroke length. This can be used for either an internal co ...
bore and stroke, which gives it a displacement of . It is a ''siamesed'' engine: there are no coolant passages between cylinders. The bore spacing is , limiting the potential for increased bore diameter. All 2.2 engines have cast iron blocks, use a timing belt, and are non-
interference Interference is the act of interfering, invading, or poaching. Interference may also refer to: Communications * Interference (communication), anything which alters, modifies, or disrupts a message * Adjacent-channel interference, caused by extr ...
engines. The earliest version 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 ...
, but
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 comp ...
was introduced in 1984 on both turbocharged and normally aspirated models (it is used on all 2.5 liter engines). Fuel injection was standard on some higher end models such as the Chrysler E-Class, Laser, and New Yorker, and the Dodge 600 and Daytona. In 1985 fuel injection became optional on the lower end models (Dodge Omni/Plymouth Horizon, Dodge Aries/Plymouth Reliant), eventually replacing the carbureted variant across the board. The initial
carbureted 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 ...
2.2 initially produced , but the output was increased to and . Later versions were
fuel-injected 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 com ...
and produced to and , and a High-Output version for the
Dodge Charger The Dodge Charger is a model of automobile marketed by Dodge in various forms over seven generations since 1966. The first Charger was a show car in 1964. A 1965 Charger II concept car resembled the 1966 production version. The Charger has ...
produced and . Four series of
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 ...
2.2 and 2.5 liter engines were produced, normally referred to as Turbo I, Turbo II, Turbo III, and Turbo IV. The primary difference between these engines was the use of an intercooler (in all except Turbo I). The Turbo III, ironically developed after the Turbo IV, pioneered returnless fuel injection, and was coupled to high-performance, four-valve-per-cylinder heads, bringing from the 2.2 liter engine. The Turbo IV pioneered the use of variable nozzle technology to minimize lag. The 2.2 was made at Chrysler's
Trenton Engine Trenton Engine Complex is Stellantis North America automotive factory complex in Trenton, Michigan. It is composed of two plants, North and South. The north factory opened in 1952 while the south plant opened in 2010. Both factories manufacture 3 ...
plant in
Trenton, Michigan Trenton is a city in Wayne County, Michigan, United States. At the 2010 census, the city population was 18,853. A Shawnee village was built in the area by war chief Blue Jacket after the 1795 Treaty of Greenville. The area later became the site ...
. In 1995 Chrysler sold much of the machining equipment as well as the license to the design, to
First Auto Works China FAW Group Corp., Ltd. (First Automobile Works) is a Chinese state-owned automobile manufacturer headquartered in Changchun, Jilin.
of
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
, after negotiations which had begun in the mid-eighties. The Trenton plant largely switched to the new
Chrysler 3.3 engine The Chrysler 3.3 and 3.8 engines are V6 engines used by Chrysler from 1989 to 2011 This engine family was Chrysler's first 60° V6 engine designed and built in-house for front wheel drive vehicles, and their first V6 not based on a V8 engine, V8. ...
production, while FAW continues to build the 2.2, which they used in their version of the Audi 100. In 1982, Chrysler also signed an agreement with
Perkins Engines Perkins Engines Company Limited, a subsidiary of Caterpillar Inc since 1998, is primarily a diesel engine manufacturer for several markets including agricultural, construction, material handling, power generation, and industrial. It was establis ...
to build a dieselized version of the 2.2 (and of the 3.7-liter inline-six) in
Windsor, Ontario Windsor is a city in southwestern Ontario, Canada, on the south bank of the Detroit River directly across from Detroit, Michigan, United States. Geographically located within but administratively independent of Essex County, it is the souther ...
. Design work on the six had started in 1975, with the 2.2 added to the program in 1980, but due to labor unrest in Canadian automobile manufacture and the collapse of the diesel market in North America,
Lee Iacocca Lido Anthony "Lee" Iacocca ( ; October 15, 1924 – July 2, 2019) was an American automobile executive best known for the development of the Ford Mustang, Continental Mark III, and Ford Pinto cars while at the Ford Motor Company in the 1960s, an ...
suddenly and unilaterally cancelled these plans in 1983. * 1983–1984 Chrysler E-Class * 1983–1986
Chrysler Executive The Chrysler Executive was a car offered by the American automobile producer Chrysler from 1983 through 1986 during the malaise era of American automobile manufacture. The Executive was a stretched version of the Chrysler LeBaron aimed at the then ...
* 1984–1986 Chrysler Laser * 1982–1990
Chrysler LeBaron The Chrysler LeBaron, also known as the Imperial LeBaron, is a line of automobiles built by Chrysler from 1931-1941 and from 1955-1995. The model was introduced in 1931, with a body manufactured by LeBaron Incorporated, LeBaron, and competed wit ...
(fuel-injected after 1985) * 1985–1988
Chrysler LeBaron GTS The Chrysler LeBaron, also known as the Imperial LeBaron, is a line of automobiles built by Chrysler from 1931-1941 and from 1955-1995. The model was introduced in 1931, with a body manufactured by LeBaron, and competed with other luxury cars ...
* 1981–1982 Dodge 024 * 1982–1983
Dodge 400 The Dodge 400 was a mid-size car built by Dodge. It was similar to the Chrysler LeBaron of the same era. The 400 was introduced for the 1982 model year but renamed and merged into the Dodge 600 lineup just two years later. An improved version o ...
* 1983–1988
Dodge 600 The Dodge 600 is a mid-size car that was built by Dodge. It was introduced in 1982, as a 1983 model, based on the Chrysler E platform and was discontinued after the 1988 model year. It was Chrysler's answer to the GM A-body, whereas the M-body ...
(fuel-injected after 1984) * 1981–1989
Dodge Aries The Plymouth Reliant and Dodge Aries are mid size cars introduced for model year 1981 as the first " K-cars" manufactured and marketed by the Chrysler Corporation. The Reliant and Aries were the smallest cars to have the traditional 6 passen ...
(fuel-injected after 1985) * 1984–1987
Dodge Caravan The Dodge Caravan (and the long-wheelbase Dodge Grand Caravan) is a series of minivans that was manufactured by Chrysler from the 1984 to 2020 model years. The Dodge version of the Chrysler minivans, the Caravan was marketed as both a passenger v ...
* 1983–1987
Dodge Charger The Dodge Charger is a model of automobile marketed by Dodge in various forms over seven generations since 1966. The first Charger was a show car in 1964. A 1965 Charger II concept car resembled the 1966 production version. The Charger has ...
* 1987–1988
Dodge Dakota The Dodge Dakota, known as the Ram Dakota for the final two years of production, is a mid-size pickup truck from Chrysler's Ram (formerly Dodge Truck) division. The first Dakota was introduced in late 1986 as a 1987 model. From its introduction th ...
* 1984–1990
Dodge Daytona The Dodge Daytona is an automobile which was produced by the Chrysler Corporation under their Dodge division from 1984 until 1993. It was a front-wheel drive hatchback based on the Chrysler G platform, which was derived from the Chrysler K platfo ...
* 1981–1990
Dodge Omni The Dodge Omni (and the nearly identical Plymouth Horizon) is a subcompact car that was produced by Chrysler Corporation from the 1978 to 1990 model years. The first Chrysler model line produced with front-wheel drive, the Omni and Horizon were ...
(fuel-injected after 1987) * 1985–1989
Dodge Lancer The Dodge Lancer is an automobile that was marketed in three unrelated versions by Dodge during the 1950s, 1960s, and 1980s. The first version debuted as a hardtop version of the full-sized 1955 Dodge, and was produced in that form until 1959 ...
* 1982–1984
Dodge Rampage The Dodge Rampage was a subcompact, unibody coupe utility based on Chrysler's L platform and manufactured from 1982 to 1984. First released as a 1982 model, the Rampage was later joined for 1983 by its rebadged variant, the Plymouth Scamp. De ...
* 1987–1994
Dodge Shadow The Dodge Shadow and Plymouth Sundance are economical 3-door and 5-door hatchbacks that were introduced for the 1987 model year by the Chrysler Corporation. For 1991, a 2-door convertible variant was added to the Shadow lineup; this bodystyle wa ...
* Hongqi CA 1021U3, CA5020XJB police car, CA7202, CA7220A9E, CA7220A9E parade car, CA7220A9EL1/L2 cabrio-coach/L2 parade car, CA7220A9EL2A2 parade car, CA7220EL1, CA7226L * 1985–1988
Plymouth Caravelle The Plymouth Caravelle is a mid-size sedan that was introduced by Plymouth as a 1983 Canadian model. The Caravelle came to the United States in 1985 to replace the Chrysler E-Class. It was essentially identical to the concurrent Dodge 600. It ...
* 1981–1990
Plymouth Horizon The horizon is the apparent line that separates the surface of a celestial body from its sky when viewed from the perspective of an observer on or near the surface of the relevant body. This line divides all viewing directions based on whether i ...
(fuel-injected after 1987) * 1981–1989
Plymouth Reliant The Plymouth Reliant and Dodge Aries are mid size cars introduced for model year 1981 as the first " K-cars" manufactured and marketed by the Chrysler Corporation. The Reliant and Aries were the smallest cars to have the traditional 6 passeng ...
(fuel-injected after 1985) * 1983
Plymouth Scamp There have been two small cars from Plymouth called the Scamp: * 1971–1976 RWD 2-door hardtop coupe, based on the Plymouth Valiant * 1983 FWD coupé utility, based on the Plymouth Horizon; see Dodge Rampage The Dodge Rampage was a subcompact, ...
(Dodge Rampage twin) * 1987–1994
Plymouth Sundance The Dodge Shadow and Plymouth Sundance are economical 3-door and 5-door hatchbacks that were introduced for the 1987 model year by the Chrysler Corporation. For 1991, a 2-door convertible variant was added to the Shadow lineup; this bodystyle was ...
* 1981–1982
Plymouth TC3 The Dodge Omni 024 was a modified version of the popular Dodge Omni made from 1979 to 1982. Analogous to the VW Scirocco, this car was a lower, sportier three-door hatchback coupé version of the Chrysler/Simca Horizon, using the five-door hatchba ...
* 1983–1987
Plymouth Turismo Plymouth () is a port city and unitary authority in South West England. It is located on the south coast of Devon, approximately south-west of Exeter and south-west of London. It is bordered by Cornwall to the west and south-west. Plymouth ...
* 1984–1987
Plymouth Voyager Plymouth Voyager is a nameplate for a range of vans that were marketed by the Plymouth division of Chrysler. From 1974 until 1983, the Voyager was a full-size van, sold as the counterpart of Dodge Sportsman (later the Dodge Ram Wagon). For 1984 ...


High Output

The 1983 and 1984 Dodge Shelby Charger was more of a handling package, but the regular 2.2 L engine was modified somewhat. This High Output 2.2 used a revised
camshaft A camshaft is a shaft that contains a row of pointed cams, in order to convert rotational motion to reciprocating motion. Camshafts are used in piston engines (to operate the intake and exhaust valves), mechanically controlled ignition systems ...
to boost output to and , and the block was decked to increase the compression ratio. These modifications allowed the Shelby Charger to hit in 5.5 seconds and cover the quarter mile (402 m) in under 16 seconds. The 1985 Dodge Charger Shelby used the 2.2 Turbo I engine instead, so this high output 2.2 was made an option on regular Dodge Chargers that year. Applications of the High Output 2.2L included the 1983–1984 Dodge Shelby Charger, the 1985 Plymouth Turismo (L-body), the 1984-1985 Dodge Omni GLH and the 1985–1987
Dodge Charger The Dodge Charger is a model of automobile marketed by Dodge in various forms over seven generations since 1966. The first Charger was a show car in 1964. A 1965 Charger II concept car resembled the 1966 production version. The Charger has ...
. This High Output version of the 2.2L could be easily recognized by its chrome valve cover and tighter timing cover.


Turbo I

Chrysler's first
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 was the 1984 Turbo I. It used a Garrett T03 turbocharger with a mechanical
wastegate A wastegate is a valve that controls the flow of exhaust gases to the turbine wheel in a turbocharged engine system.Robson, D. (2018). Aircraft General Knowledge. Aviation Theory Centre Pty Ltd. . Diversion of exhaust gases regulates the turbine ...
to limit boost to , and was rated at and , a substantial increase in power over the standard 2.2 engines. Changes included a lower compression ratio, special pistons, high-strength valves, higher-pressure springs (to avoid float), better-sealing rings, a special cam, select-fit bearings, a special exhaust manifold, and a diecast aluminum cylinder head cover. For 1985, a computer-controlled wastegate was substituted which allowed of temporary overboost. Output was rated at and . A
Mitsubishi The is a group of autonomous Japanese multinational companies in a variety of industries. Founded by Yatarō Iwasaki in 1870, the Mitsubishi Group historically descended from the Mitsubishi zaibatsu, a unified company which existed from 1870 ...
TE04H turbo and new
intake manifold In automotive engineering, an inlet manifold or intake manifold (in American English) is the part of an engine that supplies the fuel/air mixture to the cylinders. The word ''manifold'' comes from the Old English word ''manigfeald'' (from the ...
were used for 1988. * 1984 Chrysler E-Class * 1984–1986
Chrysler Executive The Chrysler Executive was a car offered by the American automobile producer Chrysler from 1983 through 1986 during the malaise era of American automobile manufacture. The Executive was a stretched version of the Chrysler LeBaron aimed at the then ...
* 1984–1986 Chrysler Laser * 1984–1988
Chrysler LeBaron The Chrysler LeBaron, also known as the Imperial LeBaron, is a line of automobiles built by Chrysler from 1931-1941 and from 1955-1995. The model was introduced in 1931, with a body manufactured by LeBaron Incorporated, LeBaron, and competed wit ...
* 1985–1988
Chrysler LeBaron GTS The Chrysler LeBaron, also known as the Imperial LeBaron, is a line of automobiles built by Chrysler from 1931-1941 and from 1955-1995. The model was introduced in 1931, with a body manufactured by LeBaron, and competed with other luxury cars ...
* 1984–1987
Chrysler New Yorker The Chrysler New Yorker is an automobile model that was produced by Chrysler from 1940 until 1996, serving for several decades as the brand's flagship model, or as a junior sedan to the Chrysler Imperial luxury brand. A trim level named the "Ne ...
* 1988 Chrysler New Yorker Turbo * 1984–1988
Dodge 600 The Dodge 600 is a mid-size car that was built by Dodge. It was introduced in 1982, as a 1983 model, based on the Chrysler E platform and was discontinued after the 1988 model year. It was Chrysler's answer to the GM A-body, whereas the M-body ...
* 1985–1988
Dodge Lancer The Dodge Lancer is an automobile that was marketed in three unrelated versions by Dodge during the 1950s, 1960s, and 1980s. The first version debuted as a hardtop version of the full-sized 1955 Dodge, and was produced in that form until 1959 ...
* 1984–1986 Dodge Omni GLH * 1985–1988
Plymouth Caravelle The Plymouth Caravelle is a mid-size sedan that was introduced by Plymouth as a 1983 Canadian model. The Caravelle came to the United States in 1985 to replace the Chrysler E-Class. It was essentially identical to the concurrent Dodge 600. It ...
* 1985–1987 Dodge Charger Shelby * 1988 Shelby CSX-T * 1984–1986 Dodge Daytona Turbo * 1987 Dodge Daytona Shelby Z with Automatics


Turbo II

The Turbo II designation was applied to a turbocharged, intercooled version of the 2.2. This Turbo II designation was first used in the 1986
Shelby GLH-S The Carroll Shelby International, Shelby GLH-S was a limited production series of two sport compact automobiles from the mid-1980s. The main differentiator of these cars from their regular Dodge versions was their use of what would become the int ...
and the 1987 Shelby Charger GLH-S. Shelby Automobiles modified a stock Turbo I engine by swapping several pre-production pieces from the Turbo II
inline-four engine A straight-four engine (also called an inline-four) is a four-cylinder piston engine where cylinders are arranged in a line along a common crankshaft. The vast majority of automotive four-cylinder engines use a straight-four layout (with the ...
. These changes included an
intercooler An intercooler is a heat exchanger used to cool a gas after compression. Often found in turbocharged engines, intercoolers are also used in air compressors, air conditioners, refrigeration and gas turbines. Internal combustion engines Mo ...
and other changes to produce 175 hp (130 kW) and a flat 175 ft·lbf (237 N·m)
torque In physics and mechanics, torque is the rotational equivalent of linear force. It is also referred to as the moment of force (also abbreviated to moment). It represents the capability of a force to produce change in the rotational motion of th ...
curve. Not included were any of the durability changes to the short block (forged crank, full floating pin, stouter connecting rods, etc.) of the 1987 Chrysler Turbo II engine that was produced by the factory the following year. Shelby installed the factory produced Turbo II in his
Shelby Lancer The Shelby Lancer was a limited-production hatchback sports sedan based on the Dodge Lancer. Modified by Carroll Shelby for 1987 and in Graphic Red only, the Shelby Lancer was intended to be an American counterpart to such European sedans as the ...
and
Shelby CSX The Shelby CSX (Carroll Shelby eXperimental) was a limited-production high performance automobile based on the turbocharged intercooled Dodge Shadow and Plymouth Sundance. These cars were offered by Shelby Automobiles Inc. from 1987 through 1989. ...
. Chrysler's strengthened version of this engine, with a forged crankshaft and connecting rods, was used in the ''Shelby Z'' package of the 1987–1989 Dodge Daytona and other cars. Output of the production Turbo II was and with of boost when mated to the stronger A520 5-speed manual transaxle. A similar, one-piece version of the special two-piece
intake manifold In automotive engineering, an inlet manifold or intake manifold (in American English) is the part of an engine that supplies the fuel/air mixture to the cylinders. The word ''manifold'' comes from the Old English word ''manigfeald'' (from the ...
used on the Turbo II, minus the air charge temperature sensor, was added to the Turbo I for 1988. The next year, the new common block was introduced; it was used for all subsequent versions of the 2.2 ''and'' 2.5, including the 2.2 L Turbo II, which then continued unchanged through 1990. * 1986
Shelby GLH-S The Carroll Shelby International, Shelby GLH-S was a limited production series of two sport compact automobiles from the mid-1980s. The main differentiator of these cars from their regular Dodge versions was their use of what would become the int ...
( Omni) * 1987 Shelby Charger Turbo * 1987
Shelby GLHS The Shelby GLH-S was a limited production series of two sport compact automobiles from the mid-1980s. The main differentiator of these cars from their regular Dodge versions was their use of what would become the intercooled Turbo II engine as ...
(
Charger Charger or Chargers may refer to: * Charger (table setting), decorative plates used to fancify a place setting * Battery charger, a device used to put energy into a cell or battery * Capacitor charger, typically a high voltage DC power supply ...
) * 1985–1993
Consulier GTP The Consulier GTP is an American sports car that was produced by Consulier Industries between 1985 and 1993 and successfully used in professional racing. Consulier Industries spun off their automotive division into Mosler Automotive which then re ...
* 1987–1989
Dodge Daytona The Dodge Daytona is an automobile which was produced by the Chrysler Corporation under their Dodge division from 1984 until 1993. It was a front-wheel drive hatchback based on the Chrysler G platform, which was derived from the Chrysler K platfo ...
''Shelby Z'' * 1987–1988
Shelby CSX The Shelby CSX (Carroll Shelby eXperimental) was a limited-production high performance automobile based on the turbocharged intercooled Dodge Shadow and Plymouth Sundance. These cars were offered by Shelby Automobiles Inc. from 1987 through 1989. ...
* 1987
Shelby Lancer The Shelby Lancer was a limited-production hatchback sports sedan based on the Dodge Lancer. Modified by Carroll Shelby for 1987 and in Graphic Red only, the Shelby Lancer was intended to be an American counterpart to such European sedans as the ...
* 1988–1989 Dodge Lancer Shelby * 1988–1989
Chrysler LeBaron GTS The Chrysler LeBaron, also known as the Imperial LeBaron, is a line of automobiles built by Chrysler from 1931-1941 and from 1955-1995. The model was introduced in 1931, with a body manufactured by LeBaron, and competed with other luxury cars ...
hatchback * 1987–1989
Chrysler LeBaron The Chrysler LeBaron, also known as the Imperial LeBaron, is a line of automobiles built by Chrysler from 1931-1941 and from 1955-1995. The model was introduced in 1931, with a body manufactured by LeBaron Incorporated, LeBaron, and competed wit ...
coupe / convertible GTC * 1989
Dodge Daytona The Dodge Daytona is an automobile which was produced by the Chrysler Corporation under their Dodge division from 1984 until 1993. It was a front-wheel drive hatchback based on the Chrysler G platform, which was derived from the Chrysler K platfo ...
C/S


Turbo III

The Turbo III used a Lotus-made
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 c ...
16-valve head. Output was and . This engine was used in 1,399 Dodge Spirit R/T and several hundred Dodge and Chrysler Daytona IROC R/T models in the US, Canada, and Europe, plus models including the Chrysler Spirit R/T and Phantom R/T in Mexico. Cars using the 2.2T3 engine include: * 1991–1992 Dodge Spirit R/T (North America) * 1991–1994 Chrysler Spirit R/T (Mexico) * 1992–1993 Dodge Daytona IROC R/T (North America, Europe) * 1992–1993 Chrysler Phantom R/T (Mexico) * 1991–1993
Consulier GTP The Consulier GTP is an American sports car that was produced by Consulier Industries between 1985 and 1993 and successfully used in professional racing. Consulier Industries spun off their automotive division into Mosler Automotive which then re ...
(USA)


Turbo IV

The Turbo IV was a
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 ...
SOHC 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 ...
intercooled version with variable nozzle turbo (VNT) technology. This system reduced turbo lag. Used in the 1989 Shelby CSX, then regular production 1990 Dodge Shadows, Daytonas, and Chrysler LeBarons. Production on this engine was limited to around 1250 units.. * 1989
Shelby CSX The Shelby CSX (Carroll Shelby eXperimental) was a limited-production high performance automobile based on the turbocharged intercooled Dodge Shadow and Plymouth Sundance. These cars were offered by Shelby Automobiles Inc. from 1987 through 1989. ...
(500 built-498 to the public) * 1990
Dodge Shadow The Dodge Shadow and Plymouth Sundance are economical 3-door and 5-door hatchbacks that were introduced for the 1987 model year by the Chrysler Corporation. For 1991, a 2-door convertible variant was added to the Shadow lineup; this bodystyle wa ...
ES (141 built) * 1990
Dodge Shadow The Dodge Shadow and Plymouth Sundance are economical 3-door and 5-door hatchbacks that were introduced for the 1987 model year by the Chrysler Corporation. For 1991, a 2-door convertible variant was added to the Shadow lineup; this bodystyle wa ...
Competition (27 built) * 1990
Dodge Daytona The Dodge Daytona is an automobile which was produced by the Chrysler Corporation under their Dodge division from 1984 until 1993. It was a front-wheel drive hatchback based on the Chrysler G platform, which was derived from the Chrysler K platfo ...
Shelby (536 built) * 1990
Dodge Daytona The Dodge Daytona is an automobile which was produced by the Chrysler Corporation under their Dodge division from 1984 until 1993. It was a front-wheel drive hatchback based on the Chrysler G platform, which was derived from the Chrysler K platfo ...
C/S Competition (21 built) * 1990
Chrysler LeBaron The Chrysler LeBaron, also known as the Imperial LeBaron, is a line of automobiles built by Chrysler from 1931-1941 and from 1955-1995. The model was introduced in 1931, with a body manufactured by LeBaron Incorporated, LeBaron, and competed wit ...
GTC (255 built, 123 coupes 132 convertibles)


TC

The
Chrysler TC Chrysler's TC by Maserati is a jointly developed car by Chrysler and Maserati. It was positioned as a grand tourer and introduced at the 1986 Los Angeles Auto Show. It is a "Q" body built on a modified second-generation Chrysler K platform. After ...
, developed with
Maserati Maserati S.p.A. () is an Italian luxury vehicle manufacturer. Established on 1 December 1914, in Bologna, Italy, the company's headquarters are now in Modena, and its emblem is a trident. The company has been owned by Stellantis since 2021. Ma ...
, used a special turbocharged 2.2 engine. This version was related to the ''Turbo II'' but used a special 16-valve head — not the same as that used in the Turbo III — pistons, connecting rods, intake manifold, crankshaft and other components. No parts are interchangeable with other versions of the engine. The 2.2 TC engine was an international effort: The cylinder head was cast in
England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe b ...
by
Cosworth Cosworth is a British automotive engineering company founded in London in 1958, specialising in high-performance internal combustion engines, powertrain, and electronics for automobile racing (motorsport) and mainstream automotive industrie ...
and finished in
Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical re ...
by Maserati using a cam over bucket design. The pistons are forged and came from Mahle in
Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...
, and a
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
ese
turbocharger 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 ...
was sourced from
IHI Ihi, Ehee (Nepal Bhasa:ईही) is a ceremony in the Newar community in Nepal in which pre-adolescent girls are "married" to the Suvarna Kumar which is a symbol of the god Vishnu, ensuring that the girl becomes and remains fertile. It is bel ...
. The camshafts were designed by
Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and to ...
-based Crane but were constructed by Maserati in
Modena Modena (, , ; egl, label=Emilian language#Dialects, Modenese, Mòdna ; ett, Mutna; la, Mutina) is a city and ''comune'' (municipality) on the south side of the Po Valley, in the Province of Modena in the Emilia-Romagna region of northern I ...
. The rods are forged Casar units and use a unique rod bearing size. The crankshaft is also forged and weighs 53 pounds. Only 501 Chrysler TCs were produced with the
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 c ...
16-valve head. This engine shares essentially only the front and rear main seals, oil pan seal, intermediate shaft and bearings, main bearings (only, rod bearings are unique), and distributor with any other Chrysler 2.2/2.5. This head was also used in IMSA racing, but not in turbocharged form.


2.5

In 1986, Chrysler increased the displacement of the engine to and added counterrotating
balance shafts Balance shafts are used in piston engines to reduce vibration by cancelling out unbalanced dynamic forces. The counter balance shafts have eccentric weights and rotate in opposite direction to each other, which generates a net vertical force. ...
to smooth out the vibrations and harsh harmonics normally produced by long-stroke 4-cylinder engines. The increased displacement came from a raised deck and longer stroke, making the 2.5 engine even more
undersquare In a reciprocating piston engine, the stroke ratio, defined by either bore/stroke ratio or stroke/bore ratio, is a term to describe the ratio between cylinder bore diameter and piston stroke length. This can be used for either an internal co ...
and tuned for low-end
torque In physics and mechanics, torque is the rotational equivalent of linear force. It is also referred to as the moment of force (also abbreviated to moment). It represents the capability of a force to produce change in the rotational motion of th ...
rather than high-RPM power. This engine replaced the Mitsubishi 2.6 engine Chrysler had been using. In normally aspirated form, the 2.5 produced and . In 1989 there was a redesign of the 2.5 to permit both it and the 2.2 to use a common cylinder block. The crankshaft, connecting rods and pistons are completely different in the common-block 2.5 compared to the previous 2.5. This engine competed with Ford Motor Company's HSC engine, which was increased from 2.3 L to 2.5 L for use in the 1986 to 1991
Taurus Taurus is Latin for 'bull' and may refer to: * Taurus (astrology), the astrological sign * Taurus (constellation), one of the constellations of the zodiac * Taurus (mythology), one of two Greek mythological characters named Taurus * '' Bos tauru ...
. The Chrysler 2.5 was retired in 1995. * 1986–1993
Chrysler LeBaron The Chrysler LeBaron, also known as the Imperial LeBaron, is a line of automobiles built by Chrysler from 1931-1941 and from 1955-1995. The model was introduced in 1931, with a body manufactured by LeBaron Incorporated, LeBaron, and competed wit ...
* 1986–1987
Chrysler New Yorker The Chrysler New Yorker is an automobile model that was produced by Chrysler from 1940 until 1996, serving for several decades as the brand's flagship model, or as a junior sedan to the Chrysler Imperial luxury brand. A trim level named the "Ne ...
* 1986–1988
Dodge 600 The Dodge 600 is a mid-size car that was built by Dodge. It was introduced in 1982, as a 1983 model, based on the Chrysler E platform and was discontinued after the 1988 model year. It was Chrysler's answer to the GM A-body, whereas the M-body ...
* 1986–1989
Dodge Aries The Plymouth Reliant and Dodge Aries are mid size cars introduced for model year 1981 as the first " K-cars" manufactured and marketed by the Chrysler Corporation. The Reliant and Aries were the smallest cars to have the traditional 6 passen ...
* 1987½–1995
Dodge Caravan The Dodge Caravan (and the long-wheelbase Dodge Grand Caravan) is a series of minivans that was manufactured by Chrysler from the 1984 to 2020 model years. The Dodge version of the Chrysler minivans, the Caravan was marketed as both a passenger v ...
* 1989–1995
Dodge Dakota The Dodge Dakota, known as the Ram Dakota for the final two years of production, is a mid-size pickup truck from Chrysler's Ram (formerly Dodge Truck) division. The first Dakota was introduced in late 1986 as a 1987 model. From its introduction th ...
* 1986–1993
Dodge Daytona The Dodge Daytona is an automobile which was produced by the Chrysler Corporation under their Dodge division from 1984 until 1993. It was a front-wheel drive hatchback based on the Chrysler G platform, which was derived from the Chrysler K platfo ...
* 1988–1993
Dodge Dynasty The Dodge Dynasty is a mid-size four-door sedan that was marketed by the Dodge division of Chrysler Corporation from the 1988 to 1993 model years. Serving as the direct successor of the Dodge 600 sedan, the Dynasty was slotted between the Dod ...
* 1986–1989
Dodge Lancer The Dodge Lancer is an automobile that was marketed in three unrelated versions by Dodge during the 1950s, 1960s, and 1980s. The first version debuted as a hardtop version of the full-sized 1955 Dodge, and was produced in that form until 1959 ...
* 1987–1994
Dodge Shadow The Dodge Shadow and Plymouth Sundance are economical 3-door and 5-door hatchbacks that were introduced for the 1987 model year by the Chrysler Corporation. For 1991, a 2-door convertible variant was added to the Shadow lineup; this bodystyle wa ...
* 1989–1995
Dodge Spirit The Dodge Spirit is a mid-size 5- or 6-passenger sedan that was introduced in January 1989 as a replacement for the similarly sized Dodge 600. The Spirit was Dodge's version of the Chrysler AA platform, a stretched variation of the Chrysler K ...
* 1989–1995
Plymouth Acclaim The Plymouth Acclaim is a mid-size sedan produced in the 1989 to 1995 model years. The Acclaim was Plymouth's updated replacement for both the similarly sized E-body Caravelle and the K-body Reliant. Badge engineering was employed to give Dodge ...
* 1986–1988
Plymouth Caravelle The Plymouth Caravelle is a mid-size sedan that was introduced by Plymouth as a 1983 Canadian model. The Caravelle came to the United States in 1985 to replace the Chrysler E-Class. It was essentially identical to the concurrent Dodge 600. It ...
* 1986–1989
Plymouth Reliant The Plymouth Reliant and Dodge Aries are mid size cars introduced for model year 1981 as the first " K-cars" manufactured and marketed by the Chrysler Corporation. The Reliant and Aries were the smallest cars to have the traditional 6 passeng ...
* 1987–1994
Plymouth Sundance The Dodge Shadow and Plymouth Sundance are economical 3-door and 5-door hatchbacks that were introduced for the 1987 model year by the Chrysler Corporation. For 1991, a 2-door convertible variant was added to the Shadow lineup; this bodystyle was ...
* 1987½–1995
Plymouth Voyager Plymouth Voyager is a nameplate for a range of vans that were marketed by the Plymouth division of Chrysler. From 1974 until 1983, the Voyager was a full-size van, sold as the counterpart of Dodge Sportsman (later the Dodge Ram Wagon). For 1984 ...


Turbo I

The 2.5 engine was offered in a Turbo I form starting in 1989. This engine had multipoint fuel injection and was rated at and . In some models the 2.5 Turbo I was available in a "High Torque" version, which put out and by allowing higher boost pressures at low rpms. * 1989–1992
Chrysler LeBaron The Chrysler LeBaron, also known as the Imperial LeBaron, is a line of automobiles built by Chrysler from 1931-1941 and from 1955-1995. The model was introduced in 1931, with a body manufactured by LeBaron Incorporated, LeBaron, and competed wit ...
* 1989–1990
Dodge Caravan The Dodge Caravan (and the long-wheelbase Dodge Grand Caravan) is a series of minivans that was manufactured by Chrysler from the 1984 to 2020 model years. The Dodge version of the Chrysler minivans, the Caravan was marketed as both a passenger v ...
* 1989–1992
Dodge Daytona The Dodge Daytona is an automobile which was produced by the Chrysler Corporation under their Dodge division from 1984 until 1993. It was a front-wheel drive hatchback based on the Chrysler G platform, which was derived from the Chrysler K platfo ...
* 1989–1992
Dodge Shadow The Dodge Shadow and Plymouth Sundance are economical 3-door and 5-door hatchbacks that were introduced for the 1987 model year by the Chrysler Corporation. For 1991, a 2-door convertible variant was added to the Shadow lineup; this bodystyle wa ...
* 1989–1992
Dodge Spirit The Dodge Spirit is a mid-size 5- or 6-passenger sedan that was introduced in January 1989 as a replacement for the similarly sized Dodge 600. The Spirit was Dodge's version of the Chrysler AA platform, a stretched variation of the Chrysler K ...
* 1989–1992
Plymouth Acclaim The Plymouth Acclaim is a mid-size sedan produced in the 1989 to 1995 model years. The Acclaim was Plymouth's updated replacement for both the similarly sized E-body Caravelle and the K-body Reliant. Badge engineering was employed to give Dodge ...
* 1989–1991
Plymouth Sundance The Dodge Shadow and Plymouth Sundance are economical 3-door and 5-door hatchbacks that were introduced for the 1987 model year by the Chrysler Corporation. For 1991, a 2-door convertible variant was added to the Shadow lineup; this bodystyle was ...
* 1989–1990
Plymouth Voyager Plymouth Voyager is a nameplate for a range of vans that were marketed by the Plymouth division of Chrysler. From 1974 until 1983, the Voyager was a full-size van, sold as the counterpart of Dodge Sportsman (later the Dodge Ram Wagon). For 1984 ...


Turbo II

In the Mexican market, a 2.5 Turbo II engine with intercooler and intake charge temperature sensing was available, rated at and to .


Carbureted

In the Mexican market, 1986 through 1990 vehicles used versions of the 2.2 and 2.5 engines operating on
leaded gasoline Tetraethyllead (commonly styled tetraethyl lead), abbreviated TEL, is an organolead compound with the formula Pb( C2H5)4. It is a fuel additive, first being mixed with gasoline beginning in the 1920s as a patented octane rating booster tha ...
, equipped with a
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 ...
, a tubular exhaust header, and electronic control of ignition timing. This induction and ignition system used technology and components very similar to those employed in Chrysler's US-market
Lean Burn Lean-burn refers to the burning of fuel with an excess of air in an internal combustion engine. In lean-burn engines the air:fuel ratio may be as lean as 65:1 (by mass). The air / fuel ratio needed to stoichiometrically combust gasoline, by con ...
emission control systems of the late 1970s. This configuration was discontinued in favour of electronic fuel injection for the 1991 model year, when exhaust emission regulations took force in Mexico.


FFV

From 1993 to 1995, a multipoint fuel injected non-turbo version of the 2.5 engine was installed in
flexible-fuel A flexible-fuel vehicle (FFV) or dual-fuel vehicle (colloquially called a flex-fuel vehicle) is an alternative fuel vehicle with an internal combustion engine designed to run on more than one fuel, usually gasoline blended with either ethanol or ...
Dodge Spirit The Dodge Spirit is a mid-size 5- or 6-passenger sedan that was introduced in January 1989 as a replacement for the similarly sized Dodge 600. The Spirit was Dodge's version of the Chrysler AA platform, a stretched variation of the Chrysler K ...
s and
Plymouth Acclaim The Plymouth Acclaim is a mid-size sedan produced in the 1989 to 1995 model years. The Acclaim was Plymouth's updated replacement for both the similarly sized E-body Caravelle and the K-body Reliant. Badge engineering was employed to give Dodge ...
s. This engine and its fuel supply and computerized management system were specially modified to run on fuel containing up to 85%
Methanol Methanol (also called methyl alcohol and wood spirit, amongst other names) is an organic chemical and the simplest aliphatic alcohol, with the formula C H3 O H (a methyl group linked to a hydroxyl group, often abbreviated as MeOH). It is a ...
. Most of the MPFI system was common with the Mexican-market 2.5 MPFI engine. Modifications included upgraded seal and gasket materials, chrome piston rings, stainless-steel fuel system components, sion fuel injectors internally plated with nickel, and fuel composition sensors.


MPFI

From 1991 to 1995 in the Mexican market, multipoint fuel injected, non-turbo version of the 2.2 and 2.5 were installed in many Chrysler Corporation vehicles. This version of the 2.5 was rated at , and in most cases lacked the balance shafts used in all other versions of the 2.5. The MPFI system gave better driveability, performance and fuel economy, and cleaner emissions, but was nevertheless not used elsewhere than the Mexican domestic market and Chrysler de Mexico's export markets.


Engine computers

Various kinds of
Engine Control Unit An engine control unit (ECU), also commonly called an engine control module (ECM), is a type of electronic control unit that controls a series of actuators on an internal combustion engine to ensure optimal engine performance. It does this by re ...
s were used with the 2.2 and 2.5 engines. From 1984–1987, the ECU was divided into the Logic Module (LM), which was inside the passenger cabin, and the Power Module located near the battery on the left front fender. The LM used a Motorola 6803U4 processor operating at 1 MHz, with 256 bytes of RAM and either two 8K EPROMs or one 16K EPROM. From 1988–1989, a SMEC (Single Module Engine Controller) was used. This was a complete redesign of the older system, using modern CAD for board design, and higher density SMD components. The processor was a 68HC11 operating at 2 MHz with 256 bytes of RAM and a 32K EPROM. Functionally, the SMEC was the combination of the earlier Logic and Power modules into one unit. Starting in 1990, a more advanced SBEC (Single Board Engine Controller) was used, which integrated the earlier two board computer into a single board.


See also

*
List of Chrysler engines Chrysler Four cylinder 1926–1933: Flathead 4 1981–1995: K Engine 1994–2010: PowerTech 2007–present: World Engine * 1.8, 2.0, and 2.4 "World Engine" (2007–2017) * 2.0 and 2.4 "Tigershark" (2012–present) Six cylinder 192 ...


References

{{DEFAULTSORT:Chrysler 2.2 and 2.5 engine Chrysler engines