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.
What cars have the 4G63 2.0 l engine
| 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.
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