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The Mitsubishi 4G63 engine has earned a reputation among car enthusiasts for its potential and versatility. With the right upgrades, this engine can deliver impressive power while maintaining daily drivability. In this article, we will explore how to upgrade your 4G63 from stock to 400 horsepower, ensuring that your vehicle remains reliable and enjoyable for everyday use.
Understanding the 4G63 Engine
The 4G63 engine is a 2.0-liter inline-four engine that has been used in various Mitsubishi models, including the Eclipse, Talon, and Lancer. It features a DOHC design and is known for its turbocharged variant, which provides a solid foundation for performance upgrades. Understanding its components and capabilities is crucial for effective modifications.
Setting Goals for Your Upgrade
Before diving into the modifications, it’s essential to set realistic goals for your 4G63 upgrade. Aiming for 400 horsepower requires careful planning and consideration of various factors, including reliability, drivability, and budget. Here are some key goals to consider:
- Maintain daily drivability
- Ensure reliability and longevity
- Stay within budget constraints
Essential Upgrades for 400 HP
To achieve 400 horsepower, several key upgrades are necessary. Each component plays a vital role in enhancing performance while ensuring the engine remains street-friendly.
1. Turbocharger Upgrade
The stock turbocharger on the 4G63 is limited in its ability to produce high horsepower. Upgrading to a larger turbo, such as a Garrett GT30 or a BorgWarner EFR, can significantly increase power output. Ensure that the chosen turbo is compatible with your engine setup and driving style.
2. Fuel System Enhancements
To support the increased power, an upgraded fuel system is essential. This includes:
- High-flow fuel injectors
- Upgraded fuel pump
- Fuel pressure regulator
3. Engine Management System
Utilizing a standalone engine management system or an upgraded ECU is crucial for tuning your vehicle to handle the increased airflow and fuel delivery. This will ensure optimal performance and drivability.
4. Exhaust System Upgrade
A high-performance exhaust system will improve airflow and reduce back pressure. Consider investing in a full turbo-back exhaust system to maximize performance and sound.
5. Intercooler Upgrade
An upgraded intercooler is necessary to keep intake temperatures low, which is vital for performance and reliability. A larger, more efficient intercooler will help maintain power during prolonged use.
6. Internal Engine Components
To support higher horsepower levels, consider upgrading internal components such as:
- Pistons
- Connecting rods
- Head gasket
Maintaining Daily Drivability
One of the main concerns when upgrading an engine is maintaining its drivability. Here are some tips to ensure your 4G63 remains suitable for daily use:
- Choose a turbo that spools quickly for better low-end torque.
- Opt for a tune that balances power and drivability.
- Regularly maintain your vehicle to prevent issues.
Conclusion
Upgrading your 4G63 to 400 horsepower is an exciting journey that requires careful planning and execution. By focusing on essential upgrades and maintaining daily drivability, you can enjoy the thrill of increased power while ensuring your vehicle remains reliable for everyday use. With the right modifications, the 4G63 can be transformed into a powerful yet practical engine that meets your performance needs.