Mitsubishi Saturn engine
Encyclopedia
The Mitsubishi Saturn or 4G3 engine is series of straight-4
internal combustion engines introduced by Mitsubishi Motors
in 1969, along with the Astron
, Orion
, and Sirius
. Displacement ranges from 1.2 L to 1.8 L.
Bore x Stroke: 73.0 x 77.0 mm
Applications:
Bore x Stroke: 74.5 x 86.0 mm
Applications:
. Firing order is 1-3-4-2. The GSR versions used two twin-barrel Mikuni
-built Solex
carburetors for a total of 110 hp (SAE).
A version with an early iteration of Mitsubishi's MCA lean-burn
system (MCA-IIB), fulfilling the intermediate Japanese exhaust regulations for 1975 (50年), was called G32A. Those with the later, cleaner yet, "MCA-Jet" system were called G32B. Later, the G32B also came in a fuel injected
, turbocharged model. For competition, a version of the 4G32 engine was made with a DOHC eight-valve cylinder head, and fitted with two twin-choke 40 mm Solex sidedraught carburettors.
Bore x Stroke: 76.9 x 86.0 mm (3.03" x 3.39")
Applications:
Applications:
Bore x Stroke: 79.0 x 86.0 mm
Applications:
Applications:
Bore x Stroke: 80.6mm x 86.0mm(3.17in x 3.39in)
Compression Ratio: 9.5:1
Applications:
By other brands:
of 2.0 L (1,994 cc) displacement.
The 6G34 was used only in the Mitsubishi Debonair
Executive from September 1970 to June 1976, and saw very limited production. Effectively, the design was that of the standard Saturn four-cylinder block with two additional cylinders grafted on.
Applications:
Straight-4
The inline-four engine or straight-four engine is an internal combustion engine with all four cylinders mounted in a straight line, or plane along the crankcase. The single bank of cylinders may be oriented in either a vertical or an inclined plane with all the pistons driving a common crankshaft....
internal combustion engines introduced by Mitsubishi Motors
Mitsubishi Motors
is a multinational automaker headquartered in Minato, Tokyo. In 2009 it was the fifth-largest Japan-based automaker and the 17th-largest in the world measured by production...
in 1969, along with the Astron
Mitsubishi Astron engine
The Mitsubishi Astron or 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....
, Orion
Mitsubishi Orion engine
The Mitsubishi Orion or 4G1 engine is series of straight-4 internal combustion engines introduced by Mitsubishi Motors in the 1970s, along with the Astron, Sirius, and Saturn. It was introduced in the Colt and Colt-derived models in 1978...
, and Sirius
Mitsubishi Sirius engine
The Mitsubishi Sirius or 4G6/4D6 engine is the name of one of Mitsubishi Motors' four series of inline 4 automobile engines, along with Astron, Orion, and Saturn. The 4G6 are gasoline engines, the 4D6 diesels.-4G61:...
. Displacement ranges from 1.2 L to 1.8 L.
4G30
The 4G30 displaces 1.3 L (1,289 cc). It is an 8-valve SOHC design with an aluminium head and iron block. The engine has five main bearings. Power was 87 hp.Bore x Stroke: 73.0 x 77.0 mm
Applications:
- 1969.12-1971.09 Mitsubishi GalantMitsubishi GalantThe first generation of the car, initially known as the Colt Galant, was released in December 1969. The design was dubbed "Dynawedge" by Mitsubishi, referring to the influence of aerodynamics on the silhouette. Three models were available, powered by the new 'Saturn' engine in 1.3 or 1.5 L ...
A I (A51)
4G31
The 4G31 displaces 1.5 L (1,499 cc). It is an 8-valve SOHC design with an aluminium head and iron block. The engine has five main bearings. Power was 95-105 hp depending on which carburetor combo was used.Bore x Stroke: 74.5 x 86.0 mm
Applications:
- 1969.12-1971.09 Mitsubishi GalantMitsubishi GalantThe first generation of the car, initially known as the Colt Galant, was released in December 1969. The design was dubbed "Dynawedge" by Mitsubishi, referring to the influence of aerodynamics on the silhouette. Three models were available, powered by the new 'Saturn' engine in 1.3 or 1.5 L ...
A II, A III (A52)
4G32
The 4G32 displaces 1.6 L (1,597 cc). It is an eight-valve SOHC design with an aluminium head and iron block. The engine has five main bearings, a cross flow head and a single down draught carburetorCarburetor
A carburetor , carburettor, or carburetter is a device that blends air and fuel for an internal combustion engine. It is sometimes shortened to carb in North America and the United Kingdom....
. Firing order is 1-3-4-2. The GSR versions used two twin-barrel Mikuni
Mikuni
is a leading Japanese carburettor manufacturing company that was founded in 1923 and incorporated in 1948. Their business activities are centred on carburettors, fuel injectors and other automobile related equipment...
-built Solex
Solex
Solex was a French manufacturer of carburetors and the powered bicycle VéloSoleX.The Solex company was founded by Marcel Mennesson and Maurice Goudard to manufacture vehicle radiators...
carburetors for a total of 110 hp (SAE).
A version with an early iteration of Mitsubishi's MCA lean-burn
Lean burn
Lean burn refers to the use of lean mixtures in an internal combustion engine. The air-fuel ratios can be as high as 65:1, so the mixture has considerably less fuel in comparison to the stoichiometric combustion ratio ....
system (MCA-IIB), fulfilling the intermediate Japanese exhaust regulations for 1975 (50年), was called G32A. Those with the later, cleaner yet, "MCA-Jet" system were called G32B. Later, the G32B also came in a fuel injected
Fuel injection
Fuel injection is a system for admitting fuel into an internal combustion engine. It has become the primary fuel delivery system used in automotive petrol engines, having almost completely replaced carburetors in the late 1980s....
, turbocharged model. For competition, a version of the 4G32 engine was made with a DOHC eight-valve cylinder head, and fitted with two twin-choke 40 mm Solex sidedraught carburettors.
Bore x Stroke: 76.9 x 86.0 mm (3.03" x 3.39")
Applications:
- Mitsubishi Celeste
- Mitsubishi GalantMitsubishi GalantThe first generation of the car, initially known as the Colt Galant, was released in December 1969. The design was dubbed "Dynawedge" by Mitsubishi, referring to the influence of aerodynamics on the silhouette. Three models were available, powered by the new 'Saturn' engine in 1.3 or 1.5 L ...
- Mitsubishi L300
- Mitsubishi LancerMitsubishi LancerThe Mitsubishi Lancer is a family car built by Mitsubishi Motors. It has been known as the Colt Lancer, Dodge/Plymouth Colt, Chrysler Valiant Lancer, Chrysler Lancer, Eagle Summit, Hindustan Lancer, Soueast Lioncel, Mitsubishi Carisma, and Mitsubishi Mirage in various countries at different times,...
- Mitsubishi Galant LambdaMitsubishi Galant LambdaThe Mitsubishi Galant Λ is a two-door hardtop coupé built by Mitsubishi Motors from 1976 to 1984. From 1978 it was exported under various names; as the Mitsubishi Sapporo in Europe and South America , the Dodge Challenger and Plymouth Sapporo in North America and Puerto Rico, and the Chrysler...
/Sapporo - Mitsubishi SigmaMitsubishi SigmaMitsubishi Sigma may refer to one of several vehicles manufactured by Mitsubishi Motors between 1976 and 1996:*The Mitsubishi Galant Σ , a version of the Mitsubishi Galant sedan built between 1976 and 1987...
- Mitsubishi CordiaMitsubishi CordiaThe Mitsubishi Cordia is a compact hatchback-coupé that was built by Mitsubishi Motors from 1982 to 1990. Its name is supposedly an amalgam of "cordorite" and "diamonds" from Mitsubishi's Three Diamonds logo...
- Mitsubishi TrediaMitsubishi TrediaThe Mitsubishi Tredia was a subcompact sedan built by Mitsubishi Motors from 1982 to 1990. Its name is supposedly derived from Mitsubishi's "Three Diamonds" logo...
- Mitsubishi MirageMitsubishi MirageMitsubishi launched the Mirage as a three-door front wheel drive hatchback in 1978, as a response to the first fuel crisis some years before. It had a distinctive design with large windows and Mitsubishi's Super Shift transmission . A five-door joined the range in 1979...
- Dodge ColtDodge ColtThe Dodge Colt and the similar Plymouth Champ and Plymouth Colt, were subcompact cars sold by Dodge and Plymouth from 1970 to 1994. They were captive imports from Mitsubishi Motors, initially twins of the rear-wheel drive Galant and Lancer families before shifting to the smaller front-wheel drive...
- Eagle VistaEagle VistaThe Eagle Vista was used on two subcompact cars sold from 1988 to 1992 in Canada. Along with the Eagle Summit, the car replaced the Renault Encore because of Renault withdrawing from the United States and Canada that time. It was a rebadged version of the second generation Mitsubishi Mirage...
Turbo - Hyundai PonyHyundai PonyThe Hyundai Pony , was a small rear-wheel drive automobile produced by the Hyundai Motor Company from 1975 to 1988 .-Background:...
- Hyundai StellarHyundai StellarThe Hyundai Stellar was a mid-size rear-wheel drive automobile that was produced by the Hyundai Motor Company. The Stellar was launched in July 1983. The Stellar was designed by Giorgetto Giugiaro, but the chassis from the Cortina Mk V was kept.-Technology:The engine and transmission were licensed...
- Mazda FamiliaMazda FamiliaMazda's automotive plans for the early sixties consisted of growing alongside the Japanese economy. To achieve this goal, they began by building an extremely cheap Kei car, the R360 in 1960, planning on introducing gradually larger and pricier cars as the Japanese customers became able to afford them...
- Plymouth Arrow
4G33
The 4G33 displaces 1.4 L (1,439 cc) from a 73.0 x 86.0 mm bore and stroke. There was also an MCA-Jet equipped G33B developed to fulfill the 1978 (53年) Japanese emissions regulations.Applications:
- Mitsubishi Celeste
- 1979.06-1989.01 Mitsubishi DelicaMitsubishi DelicaThe Mitsubishi Delica is a range of trucks and multi-purpose vehicles built by Mitsubishi Motors since 1968. It was originally based on a small pickup truck introduced the previous year, also called the Delica, its name a contraction of the English language phrase Delivery car...
- Mitsubishi GalantMitsubishi GalantThe first generation of the car, initially known as the Colt Galant, was released in December 1969. The design was dubbed "Dynawedge" by Mitsubishi, referring to the influence of aerodynamics on the silhouette. Three models were available, powered by the new 'Saturn' engine in 1.3 or 1.5 L ...
- 1977-1979 Mitsubishi LancerMitsubishi LancerThe Mitsubishi Lancer is a family car built by Mitsubishi Motors. It has been known as the Colt Lancer, Dodge/Plymouth Colt, Chrysler Valiant Lancer, Chrysler Lancer, Eagle Summit, Hindustan Lancer, Soueast Lioncel, Mitsubishi Carisma, and Mitsubishi Mirage in various countries at different times,...
- Hyundai PonyHyundai PonyThe Hyundai Pony , was a small rear-wheel drive automobile produced by the Hyundai Motor Company from 1975 to 1988 .-Background:...
- Hyundai StellarHyundai StellarThe Hyundai Stellar was a mid-size rear-wheel drive automobile that was produced by the Hyundai Motor Company. The Stellar was launched in July 1983. The Stellar was designed by Giorgetto Giugiaro, but the chassis from the Cortina Mk V was kept.-Technology:The engine and transmission were licensed...
- Plymouth Arrow
4G35
The 4G35 displaces 1.7 L (1,686 cc). It is an 8-valve SOHC design with an aluminium head and iron block. The engine has five main bearings. Power was 105-115 hp depending on which carburetor combo was used.Bore x Stroke: 79.0 x 86.0 mm
Applications:
- 1972.01-1973.06 Mitsubishi GalantMitsubishi GalantThe first generation of the car, initially known as the Colt Galant, was released in December 1969. The design was dubbed "Dynawedge" by Mitsubishi, referring to the influence of aerodynamics on the silhouette. Three models were available, powered by the new 'Saturn' engine in 1.3 or 1.5 L ...
GS (A55) - 1972-1976 Mitsubishi Galant GTOMitsubishi Galant GTOThe Mitsubishi Colt Galant GTO was first shown as the Galant GTX-1 showcar at the 1969 Tokyo Motor Show. Sales began in November 1970, when it was the flagship hardtop variant of Mitsubishi Heavy Industries's then-new Colt Galant sedan....
(A55)
4G36
The 4G36 displaces 1.2 L (1,238 cc). 73.0 x 74.0 mm bore and stroke.Applications:
- Mitsubishi Celeste
- Mitsubishi ColtMitsubishi ColtThe Mitsubishi Colt is a vehicle built by Mitsubishi Motors since 1962. It was first introduced as a series of kei cars and subcompact cars in the 1960s, and then as the export version of the Mitsubishi Mirage hatchback in the 1980s and 1990s...
- Mitsubishi Lancer
4G37
The 8-valve SOHC 4G37 displaces 1.8 L (1,755 cc).Bore x Stroke: 80.6mm x 86.0mm(3.17in x 3.39in)
Compression Ratio: 9.5:1
Applications:
- Mitsubishi Chariot/Space WagonMitsubishi ChariotThe Mitsubishi Chariot, is a five door, five/seven seat compact MPV produced by Mitsubishi Motors of Japan from 1983 to 2003. It was based on the SSW concept car first exhibited at the 23rd Tokyo Motor Show in 1979, and named for the battle chariots used during the times of the ancient Greek and...
1983-91 - Mitsubishi CordiaMitsubishi CordiaThe Mitsubishi Cordia is a compact hatchback-coupé that was built by Mitsubishi Motors from 1982 to 1990. Its name is supposedly an amalgam of "cordorite" and "diamonds" from Mitsubishi's Three Diamonds logo...
- Mitsubishi GalantMitsubishi GalantThe first generation of the car, initially known as the Colt Galant, was released in December 1969. The design was dubbed "Dynawedge" by Mitsubishi, referring to the influence of aerodynamics on the silhouette. Three models were available, powered by the new 'Saturn' engine in 1.3 or 1.5 L ...
- Mitsubishi EclipseMitsubishi EclipseThe Mitsubishi Eclipse was a coupe that was in production since 1989 for left hand drive traffic markets. According to Mitsubishi, the car was named after an 18th century English racehorse which won 26 races, and has also been sold as the Eagle Talon and the Plymouth Laser captive imports through...
1990-1994 - Mitsubishi Lancer/Lancer Fiore/Mirage - 4WD Station wagons only
By other brands:
- Eagle TalonEagle TalonThe Eagle Talon was one of three model names given to a sports coupe that was manufactured between 1990 and 1999 and sold by the then Chrysler Corporation and Mitsubishi Motors of Japan in a joint 50/50 corporate venture known as Diamond-Star Motors...
DL 1993-1994 - Plymouth LaserPlymouth LaserThe Plymouth Laser was a sports coupe sold under the Plymouth brand from 1989 to 1994. The Laser and its siblings: the Mitsubishi Eclipse and Eagle Talon, were the first vehicles produced under the newly formed Diamond Star Motors, a joint-venture between the Chrysler Corporation and the...
1990-1994
6G34
The 6G34, referred to by Mitsubishi as the Saturn 6, is a 12-valve SOHC straight-6Straight-6
The straight-six engine or inline-six engine is a six-cylinder internal combustion engine with all six cylinders mounted in a straight line along the crankcase...
of 2.0 L (1,994 cc) displacement.
The 6G34 was used only in the Mitsubishi Debonair
Mitsubishi Debonair
The Mitsubishi Debonair is a four-door luxury car, introduced by Mitsubishi Motors in 1964 to serve as their flagship passenger vehicle in the Japanese domestic market. Three distinct generations were available during its 35-year production run until it was discontinued in 1999...
Executive from September 1970 to June 1976, and saw very limited production. Effectively, the design was that of the standard Saturn four-cylinder block with two additional cylinders grafted on.
Applications:
- Mitsubishi DebonairMitsubishi DebonairThe Mitsubishi Debonair is a four-door luxury car, introduced by Mitsubishi Motors in 1964 to serve as their flagship passenger vehicle in the Japanese domestic market. Three distinct generations were available during its 35-year production run until it was discontinued in 1999...
1970.09-1976.06 (Japan only)