The Mitsubishi Astron engine or Mitsubishi 4G5 engine, is a series of straight-4 internal combustion engines first built by Mitsubishi Motors in 1972. Engine displacement ranged from 1.8 to 2.6 litres, making it one of the largest four cylinder engines of its time. The straight-4 or inline-4 is an internal combustion engine with four cylinders aligned in one row. ... The internal combustion engine is an engine in which the combustion of fuel and an oxidizer (typically air) occurs in a confined space called a combustion chamber. ... Mitsubishi Motors Corporation ) is the fifth largest automaker in Japan and the thirteenth largest in the world by unit sales. ... One complete cycle of a four cylinder, four stroke engine. ... The litre or liter (see spelling differences) is a unit of volume. ...

It employed a hemispherical cylinder head, chain-driven single overhead camshaft (SOHC) and eight valves (two per cylinder). United States passenger car versions had a small secondary intake valve referred to as the "Jet Valve". This valve induced swirl in the intake charge, enabling the use of leaner fuel/air mixtures for lower emissions. It was designed as a cartridge containing the valve spring and seat which simply screwed into a threaded hole in the head, similar to a spark plug but inside the cam cover. The rocker arms for the intake valve were widened on the valve end to accommodate the cartridge, which was equipped with a very soft valve spring in order to avoid wear on the camshaft intake lobe. Modifications to the head were thereby reduced as the Jet Valve negated the necessity for a three valve per cylinder design. The cylinder head from a GMC van. ... Roller chain and sprocket Roller chain or bush roller chain is the type of chain most commonly used for transmission of mechanical power on bicycles, motorcycles, and in industrial and agricultural machinery. ... Single overhead cam (also SOHC) refers to the internal combustion engine design where one camshaft is located above the valves. ... A poppet valve is a valve consisting of a hole, usually round or oval, and a tapered plug, usually a disk shape on the end of a shaft also called a valve stem. ... This article or section should include material from Spark gap A spark plug is an electrical device that fits into the cylinder head of some internal combustion engines and ignites compressed aerosol gasoline by means of an electric spark. ... rocker arm This page meets Wikipedias criteria for speedy deletion. ...

In 1975, the Astron 80 introduced a system dubbed "Silent Shaft"; the first use of twin balance shafts in a modern engine. It followed the designs of Frederick Lanchester, whose original patents Mitsubishi had obtained, and proved influential as later engines from Fiat/Lancia, Saab and Porsche all licenced this technology.[1] Year 1975 (MCMLXXV) was a common year starting on Wednesday (link will display full calendar) of the Gregorian calendar. ... Balance shaft in Ford Taunus V4 engine. ... Frederick William Lanchester (October 23, 1868 - March 8, 1946) was an English polymath and engineer who made important contributions to automotive engineering, aerodynamics and co-invented the field of operations research. ... Fiat S.p. ... Lancia (pronounced Lan-cha) is an Italian automobile manufacturer founded in 1906 by Vincenzo Lancia and which became part of the Fiat Group in 1969. ... For other uses, see Saab (disambiguation). ... This article is about the auto company. ...

The 4D5 engine was a range of four cylinder diesel engines which were part of the "Astron" family, and introduced in 1980 in the then new fifth generation Galant. The first turbodiesel to be offered in a Japanese passenger car, it later proved popular in the emerging SUV and minivan markets where Mitsubishi was highly successful, until superseded by the 4M4 range in 1993. However, production of the 4D5 continued throughout the 1990s as a lower-cost option than the more modern powerplants. This article is about the fuel. ... The Mitsubishi Galant is an automobile manufactured by Mitsubishi Motors since 1969. ... This article or section may be confusing or unclear for some readers, and should be edited to rectify this. ... It has been suggested that Mini MPV be merged into this article or section. ... The Mitsubishi 4M4 engine is a range of four cylinder diesel engines from Mitsubishi Motors, first introduced in the third generation of their Montero/Pajero/Shogun SUVs. ...

4G52

The 4G52 displaces 2.0 L (1995 cc). A cubic centimetre (cm3) is an SI derived unit of volume, equal to the volume of a cube with side length of 1 centi metre. ...

Applications:

• 1979-1989 Dodge Ram 50
• 1973-1987 Mitsubishi Sigma
• 1986-present Mitsubishi L300

See also Dodge Ram, the companys full-sized pickup truck. ... The Mitsubishi Galant is a mid-size automobile manufactured by Mitsubishi Motors Corporation. ... The L300, manufactured by Mitsubishi Motors, is a Van (small truck) and has been in production since the late 1980s. ...

4G54

The SOHC 8-valve 4G54 (also known as the G54B) displaces 2.6 L (2555 cc), Bore x stroke is 91.1 mm x 98.0 mm. Some had heads with additional jet valves to improve emissions. It was designed for longitudinal use in rear-wheel drive and all-wheel drive vehicles. It was equipped with a Hitachi 2-barrel carburetor, though some models were equipped with fuel injection. with a vacuum-operated progressive secondary, except for the turbocharged version and a version used in Australian Mitsubishi Magnas, which were fuel-injected. This engine was also used on Chrysler's front-wheel drive K-cars and their derivatives from 1981 until 1987, when it was replaced by Chrysler's 2.5 L engine. This engine was commonly paired with Chrysler's A470 3-speed automatic transmission on Chrysler vehicles. Single overhead cam (also SOHC) refers to the internal combustion engine design where one camshaft is located above the valves. ... The term, longitudinal means front-to-back or top-to-bottom as opposed to transverse which means side-to-side. In automotive engineering, the term, longitudinal refers to an engine in which the crankshaft is oriented along the long axis of the vehicle, front to back. ... Rear-wheel drive (or RWD for short) is an engine/transmission layout used in automobiles. ... Four wheel drive or 4x4, is a type of four wheeled vehicle drivetrain configuration that enables all four wheels to receive power from the engine simultaneously in order to provide maximum traction. ... Bendix-Technico (Stromberg) 1-barrel downdraft carburetor model BXUV-3, with nomenclature The carburetor, carburettor, or carburetter (see spelling differences), also called carb (in North America) or carbie (chiefly in Australia) for short, is a device that blends air and fuel for an internal combustion engine. ... // Fuel injection is a means of metering fuel into an internal combustion engine. ... Turbocharger Cut-away A turbocharger is a device used in internal-combustion engines to increase the power output of the engine by increasing the mass of oxygen and fuel entering the engine. ... Front-wheel drive is the most common form of engine/transmission layout used in modern passenger cars, where the engine drives the front wheels. ... 1987 Plymouth Reliant K The Chrysler Corporations K-Car platform of the 1980s ranks as one of the most overt uses of platform sharing in automotive history. ... TorqueFlite (also spelled Torqueflite) was the trademarked name of Chrysler Corporations three-speed automatic transmission, which was introduced late in the 1956 model year. ...

Specifications:

ECI-Multi

Multi-Point Fuel Injection

• 98 kw at 4750 rpm (91 RON)
• 102 kw at 4750 rpm (95 RON)
• 212 nm at 3750 rpm (91 RON)
• 220 nm at 4000 rpm (95 RON)
• Compression ratio: 9.2:1

Carburetor

Single two-Venturi downdraught carburetor A copper aspirator. ...

• 85 kw at 5000 rpm (91 RON)
• 198 nm at 3000 rpm (91 RON)
• Compression ratio: 8.8:1

Applications:

• 1978-1980 Plymouth Fire Arrow
• 1978-1983 Dodge Challenger/Mitsubishi Sapporo/Plymouth Sapporo
• 1978-1987 Mitsubishi Sigma
• 1979-1989 Dodge Ram 50
• 1981-1985 Dodge Aries/Plymouth Reliant
• 1982-1985 Chrysler LeBaron
• 1982-1985 Chrysler Town and Country
• 1987-1991 Isuzu Pick Up TF (Japanese Built)
• 1982-1991 Mitsubishi Pajero
• 1982-1983 Dodge 400
• 1983-1984 Chrysler E-Class
• 1983-1985 Chrysler New Yorker/Dodge 600
• 1984-1987 Dodge Caravan/Plymouth Voyager
• 1982-1990 Mitsubishi Starion (turbocharged and fuel injected)
• 1984-1986 Dodge Conquest/Plymouth Conquest
• 1985 Plymouth Caravelle
• 1985-1996 Mitsubishi Magna (early carbureted, later EFI)
• 1986-1988 Mazda B2600 (with a Mazda 12-valve head)
• 1987-1989 Chrysler Conquest

The Plymouth Arrow was an extension of the Mitsubishi Lancer/Dodge Colt known as the Mitsubishi Celeste in Japan. ... Dodge Challenger is the name of three different automobile models marketed by the Dodge division of the Chrysler Corporation since the 1970s. ... Sapporo was an export name given to the Mitsubishi Galant Λ (Galant Lambda), a a large subcompact two-door hardtop coupé automobile built by Mitsubishi Motors Corporation from 1976 to 1983, named for the Japanese city of Sapporo, Hokkaido. ... The Sapporo was an automobile model marketed by the Plymouth division of Chrysler Corporation from 1978 to 1983, named for the Japanese city of Sapporo, Hokkaido. ... The Mitsubishi Galant is a mid-size automobile manufactured by Mitsubishi Motors Corporation. ... See also Dodge Ram, the companys full-sized pickup truck. ... The Dodge Aries was an automobile sold by the Chrysler Corporation from 1981 to 1989. ... Plymouth Reliant sedan with second facelift The Plymouth Reliant was one of the first two so-called K-cars (the other being the Dodge Aries) the Chrysler Corporation introduced for the 1981 model year. ... Chrysler introduced the LeBaron model in 1977 as its lowest priced model, and the name was used on various Chryslers until 1995. ... 1947 Chrysler Town and Country convertible In 1941, Chrysler debuted the first woodie wagon with an all-steel roof. ... This article is about a truck manufacturer. ... The Mitsubishi Pajero (IPA /pɑxɛ.ɹoʊ/) is a SUV manufactured by Mitsubishi Motors. ... The 400 was Dodges compact K-Car coupe/convertible in the early 1980s. ... The E-Class was a midsize car produced by the Chrysler Corporation. ... The Chrysler New Yorker was a premium automobile built by the Chrysler Corporation from 1939 to 1996, serving for several years as the brands flagship model. ... The 600 was Dodges version of the Chrysler E-Class luxury car of the 1980s. ... It has been suggested that this article be split into articles entitled Dodge Caravan and Dodge Grand Caravan, accessible from a disambiguation page. ... The Plymouth Voyager and Plymouth Grand Voyager were minivans marketed by DaimlerChrysler (they were sold by the Chrysler Corporation until 1998). ... The Mitsubishi Starion is a three-door, turbocharged four-cylinder rear-wheel drive four-seat sports car that was in production from 1982 to 1990. ... The Dodge Conquest was a version of the Mitsubishi Starion sports car in the 1980s. ... The Mitsubishi Starion was a three-door, turbocharged four-cylinder rear wheel drive five-seat sports car that was in production from 1982 to 1990 throughout various locations around the world, and also marketed in North America as the Conquest under the Chrysler, Dodge, and Plymouth names. ... The Caravelle was Plymouths version of the Chrysler E-Class luxury car in the 1980s. ... This article does not cite any references or sources. ... 1986 Mazda B2000 extended cab Mazda has sold two entirely different compact pickup trucks under the B-Series name. ... The Mitsubishi Starion was a three-door, turbocharged four-cylinder rear wheel drive five-seat sports car that was in production from 1982 to 1990 throughout various locations around the world, and also marketed in North America as the Conquest under the Chrysler, Dodge, and Plymouth names. ...

4G55

The 4G55 displaces 2.3 L (2346 cc).

4D55

Displacement - 2346 cc
Bore - 91.1mm
Stroke - unknown
Fuel type - Diesel

Turbo

• Power - 62 kW (84 PS) at 4000 rpm
• Torque - 175 N·m (129 ft·lbf) at 2000 rpm
• Engine type - Inline 4 cylinder SOHC
• Fuel system - unknown
• Compression ratio - 21:1 (384 P.S.I.)

4D56

Displacement - 2476 cc
Bore - 91.1 mm
Stroke - 95.0 mm
Fuel type - Diesel

Non-Turbo

• Power - 51 kW (70 PS) at 4200 rpm
• Torque - 143 N·m (105 ft·lbf) at 2500 rpm
• Engine type - Inline 4 cylinder SOHC
• Fuel system - Distribution type jet pump
• Compression ratio - 21:1

Turbo

• Power - 63 kW (85 PS) at 4000 rpm
• Torque - 196 N·m (145 ft·lbf) at 2000 rpm
• Engine type - Inline 4 cylinder SOHC
• Fuel system - Distribution type jet pump
• Compression ratio - 21:1

Intercooled turbo

• Power - 77 kW (105 PS) at 4000 rpm
• Torque - 240 N·m (177 ft·lbf) at 2000 rpm
• Engine type - Inline 4 cylinder SOHC
• Fuel system - Distributor type injection pump
• Compression ratio - 21:1

Common rail intercooled turbo

• Power - 99 kW (134 PS) at 4000 rpm
• Torque - 314 N·m (232 ft·lbf) at 2000 rpm
• Engine type - Inline 4 cylinder DOHC
• Fuel system - Common rail direct injection
• Compression ratio - 17:1

See also

List of Mitsubishi engines This is a list of engines produced by Mitsubishi Motors since 1964, and its predecessors prior to this. ...