When it comes to high-performance engines, Mitsubishi’s 4G63 engine is often mentioned as one of the best. The 4G63 is a 2.0-liter, inline-four engine that was first introduced in 1980. Since then, it has become a popular choice for high-performance applications due to its robust construction, large aftermarket support, and impressive power output. In this article, we will explore the specifications, and performance potential of the Mitsubishi 4G63 engine.

Engine specifications for Mitsubishi 4G63 2.0 l

Modification: 4G63 SOHC 8V

Displacement 1997 cc
Power system Carburetor / mono-injector
Engine power 87 – 110 hp
Torque 157 – 164 Nm
Cylinder block Cast iron R4
Cylinder head Aluminum 8v
Cylinder diameter 85 mm
Stroke 88 mm
Compression ratio 8.6 – 9.0
Engine features No
Hydraulic compensators Yes
Timing Chain/Belt Belt
Variable Valve Timing (VVT) No
Turbocharger No
Oil capacity/Recommended oil 4.0 l 5W-30
Fuel type Regular
Euro class EURO 1
Average lifespan 300 000 km

Modification: 4G633 SOHC 8V

Displacement 1997 cc
Power system Injector
Engine power 109 hp
Torque 159 Nm
Cylinder block Cast iron R4
Cylinder head Aluminum 8v
Cylinder diameter 85 mm
Stroke 88 mm
Compression ratio 9.0
Engine features No
Hydraulic compensators Yes
Timing Chain/Belt Belt
Variable Valve Timing (VVT) No
Turbocharger No
Oil capacity/Recommended oil 4.0 l 5W-30
Fuel type Regular
Euro class EURO 2
Average lifespan 350 000 km

Modifications: 4G631, 4G632 and 4G636 SOHC 16V

Displacement 1997 cc
Power system Injector
Engine power 133 – 137 hp
Torque 176 Nm
Cylinder block Cast iron R4
Cylinder head Aluminum 16v
Cylinder diameter 85 mm
Stroke 88 mm
Compression ratio 10
Engine features No
Hydraulic compensators Yes
Timing Chain/Belt Belt
Variable Valve Timing (VVT) No
Turbocharger No
Oil capacity/Recommended oil 4.0 l 5W-30
Fuel type Regular
Euro class EURO 2/3
Average lifespan 375 000 km

Modifications: 4G635 and 4G637 DOHC 16V

Displacement 1997 cc
Power system Injector
Engine power 135 – 144 hp
Torque 170 – 176 Nm
Cylinder block Cast iron R4
Cylinder head Aluminum 16v
Cylinder diameter 85 mm
Stroke 88 mm
Compression ratio 9.8 – 10.5
Engine features No
Hydraulic compensators Yes
Timing Chain/Belt Belt
Variable Valve Timing (VVT) No
Turbocharger No
Oil capacity/Recommended oil 4.0 l 5W-30
Fuel type Regular
Euro class EURO 3/4
Average lifespan 400 000 km

The dry weight of the 4G63 engine is 160 kg

Fuel consumption Mitsubishi 4G63

The fuel consumption of a Mitsubishi 4G63 engine can vary depending on several factors, such as the vehicle it is installed in, the driving conditions, and the driver’s habits. However, on average, the fuel consumption of a 4G63 engine is as follows:

  • City driving: around 11-12 liters per 100 kilometers (or 21-23 miles per gallon)
  • Highway driving: around 8-9 liters per 100 kilometers (or 28-31 miles per gallon)

It’s worth noting that these are just rough estimates, and the actual fuel consumption can vary based on several variables. Additionally, newer models with more advanced engine management systems may be more fuel-efficient than older models.

Mitsubishi 4G63 Engine

What cars have the 4G63 2.0 l engine

Mitsubishi
Eclipse 1G 1990 – 1994
Eclipse 2G 1994 – 1999
Delica III 1989 – 1999
Galant A160 1980 – 1987
Galant E10 1983 – 1989
Galant E30 1987 – 1993
Galant E50 1992 – 1998
Galant EA0 1996 – 2003
Pajero L040 1982 – 1990
L200 L020 1980 – 1986
L200 K30 1986 – 1996
L200 K70 1996 – 2006
Lancer CS0 2000 – 2007
Outlander CU0 2001 – 2006
Space Runner N10 1991 – 1997
Space Wagon D00 1983 – 1991
Space Wagon N30 1991 – 1998
Space Wagon N50 1998 – 2004

The table for maintenance of the Mitsubishi 4G63 engine:

Maintenance Task Frequency Description
Engine Oil Change Every 3,000 miles or 3 months Replace the engine oil and filter to ensure proper lubrication and prolong the life of the engine.
Spark Plug Replacement Every 30,000 miles or 3 years Replace the spark plugs to maintain optimal engine performance and fuel efficiency.
Timing Belt Replacement Every 60,000 miles or 5 years Replace the timing belt to prevent engine damage from a broken belt. It is recommended to also replace the water pump, tensioner, and idler pulleys at this time.
Air Filter Replacement Every 15,000-30,000 miles or as needed Replace the air filter to ensure proper air flow to the engine and prevent damage to internal engine components.
Coolant Flush Every 2 years or as needed Flush the coolant system and replace with fresh coolant to prevent engine overheating and corrosion.
Transmission Fluid Change Every 30,000-60,000 miles or as needed Replace the transmission fluid to ensure smooth shifting and prevent transmission damage.
Valve Adjustment Every 60,000 miles or as needed Adjust the valve clearance to maintain proper engine performance and prevent valve damage.
Fuel Filter Replacement Every 30,000-60,000 miles or as needed Replace the fuel filter to prevent fuel system damage and maintain optimal fuel efficiency.
Battery Inspection Every 6 months Check the battery terminals for corrosion and ensure proper battery voltage. Replace the battery as needed.
Drive Belt Inspection Every 15,000-30,000 miles or as needed Inspect the drive belts for wear and tension. Replace as needed to prevent engine damage.

Note: These maintenance tasks are general guidelines and may vary depending on the specific model and year of the Mitsubishi 4G63 engine. Always refer to the owner’s manual for recommended maintenance intervals and procedures.

Mitsubishi 4G63 Engine Tuning

Before we dive into the various tuning options available for the 4G63 engine, it’s important to understand the basics of how the engine works. The 4G63 is a four-cylinder engine that is capable of producing a significant amount of power. It features a dual overhead cam (DOHC) design, as well as a turbocharger in many models.

The stock power output of the 4G63 engine can vary depending on the specific model of the vehicle it is installed in. However, on average, the engine is capable of producing around 200 horsepower and 200 lb-ft of torque.

Tuning Options for the 4G63 Engine

Now that you have a basic understanding of the 4G63 engine, let’s dive into the various tuning options that are available. There are several different modifications you can make to your 4G63 engine to increase its power output and performance.

Intake and Exhaust Modifications

One of the simplest modifications you can make to your 4G63 engine is to upgrade the intake and exhaust systems. This can increase the amount of air flowing into and out of the engine, which can lead to improved performance.

Turbocharger Upgrades

The 4G63 engine is often found in vehicles with a turbocharger, and upgrading this component can significantly increase the engine’s power output. There are several different turbocharger options available, each with their own benefits and drawbacks.

Engine Management System Upgrades

To fully take advantage of any modifications you make to your 4G63 engine, it’s important to also upgrade the engine management system. This can help to ensure that the engine is running at optimal levels, and can help prevent damage from occurring.

Fuel System Upgrades

Upgrading the fuel system in your 4G63 engine can also help to increase its power output. This can include upgrading the fuel injectors, fuel pump, and fuel pressure regulator.

Cylinder Head and Camshaft Upgrades

For even more significant power gains, you can upgrade the cylinder head and camshaft in your 4G63 engine. This can allow the engine to breathe more freely and can help to increase horsepower and torque.

Choosing the Right Tuning Strategy for Your 4G63 Engine

With so many options available for tuning your 4G63 engine, it can be difficult to know where to start. It’s important to consider your goals for the vehicle, as well as your budget, when choosing a tuning strategy.

Performance vs. Reliability

When tuning your 4G63 engine, you’ll need to decide whether you prioritize performance or reliability. More aggressive modifications can lead to significant power gains, but they can also increase the risk of engine damage.

Budget Considerations

Upgrading your 4G63 engine can be an expensive endeavor, so it’s important to consider your budget when choosing a tuning strategy. Some modifications are more affordable than others, so it’s important to prioritize which modifications are most important to you.

Prices for new and used Mitsubishi 4G63 engines

The table outlining the approximate prices for new and used Mitsubishi 4G63 engines:

Condition Price Range
New $3,000 – $6,000 USD
Used $500 – $2,500 USD

Please keep in mind that prices can vary depending on several factors, including location, availability, and condition. It’s always a good idea to research and compare prices from different sources before making a purchase.

Common Mitsubishi 4G63 Engine Problems

1. Oil Leaks

One of the most common issues with the Mitsubishi 4G63 engine is oil leaks. This problem is often caused by a faulty valve cover gasket or oil pan gasket. If left unaddressed, an oil leak can cause serious damage to the engine, leading to a costly repair.

2. Overheating

Another issue that Mitsubishi 4G63 engines commonly face is overheating. This can be caused by a malfunctioning thermostat, a blocked radiator, or a damaged water pump. Overheating can cause severe engine damage if not addressed quickly, so it is important to have your engine checked by a professional if you notice any signs of overheating.

3. Timing Belt Failure

The Mitsubishi 4G63 engine uses a timing belt to keep the engine’s components synchronized. A timing belt failure can cause the engine to stall or stop running altogether. To avoid this problem, it is important to have your timing belt checked and replaced according to the manufacturer’s recommendations.

4. Turbocharger Failure

Mitsubishi 4G63 engines that are equipped with a turbocharger are prone to turbocharger failure. This is often caused by oil starvation, which can be prevented by using high-quality oil and performing regular oil changes. If your turbocharger fails, it will need to be replaced, which can be a costly repair.

Maintaining Mitsubishi 4G63 Engine Reliability

1. Regular Maintenance

Regular maintenance is key to maintaining the reliability of your Mitsubishi 4G63 engine. This includes regular oil changes, air filter replacements, and spark plug replacements. It is also important to have your engine checked by a professional at least once a year to catch any potential issues early.

2. Using High-Quality Parts

When replacing parts on your Mitsubishi 4G63 engine, it is important to use high-quality parts that meet or exceed the manufacturer’s specifications. Using cheap or inferior parts can lead to premature wear and engine damage.

3. Avoiding Extreme Driving Conditions

Driving your Mitsubishi 4G63 engine in extreme conditions, such as extreme heat or cold, can cause damage to the engine. It is best to avoid these conditions whenever possible, or take extra precautions to protect your engine, such as using a block heater in extreme cold temperatures.

FAQs

How long do Mitsubishi 4G63 engines last?

With proper maintenance and care, a Mitsubishi 4G63 engine can last up to 200,000 miles or more.

Is the Mitsubishi 4G63 engine reliable?

While the Mitsubishi 4G63 engine has faced some reliability issues, it is generally considered to be a reliable engine when properly maintained.

How much does it cost to replace a Mitsubishi 4G63

The cost of replacing a Mitsubishi 4G63 engine can vary depending on the condition of the engine and the labor costs in your area. However, it is often a costly repair, so it is important to maintain the engine to avoid the need for a replacement.

 

Categories: 2.0Mitsubishi

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