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The 4G63 engine, known for its robust performance and tuning potential, has long been a favorite among car enthusiasts, particularly in the Mitsubishi community. Upgrading to a Garrett GTX series turbocharger can significantly enhance the power output and overall performance of this engine. This article explores the benefits of such upgrades, the considerations involved, and the steps to maximize your 4G63’s potential.
Understanding the 4G63 Engine
The 4G63 is a 2.0-liter inline-four engine that has been used in various Mitsubishi models, including the Eclipse, Talon, and Lancer Evolution. Its design includes a DOHC configuration and features a turbocharged variant, which is the focus of performance upgrades. The engine is known for its strength and ability to handle significant power increases with the right modifications.
Why Upgrade to Garrett GTX Series Turbos?
Garrett GTX series turbos are renowned for their advanced technology and efficiency. Upgrading to these turbos offers several advantages:
- Improved Airflow: The GTX series features larger compressor wheels and improved aerodynamics, allowing for greater airflow and boosting capabilities.
- Enhanced Responsiveness: These turbos are designed to spool faster, providing quicker throttle response and reducing turbo lag.
- Higher Power Potential: With the ability to support higher horsepower levels, the GTX series is suitable for both street and race applications.
- Durability: Constructed with high-quality materials, Garrett turbos are built to withstand the rigors of high-performance applications.
Choosing the Right GTX Turbo
When selecting a Garrett GTX turbo for your 4G63, consider the following factors:
- Power Goals: Determine your desired horsepower and torque figures to choose a turbo that meets those needs.
- Driving Style: Consider whether the vehicle will be used primarily for street driving, racing, or a combination of both.
- Supporting Modifications: Ensure your engine has the necessary supporting mods, such as upgraded fuel injectors, intercooler, and exhaust system, to handle increased power.
Installation Process
Upgrading to a Garrett GTX turbo involves several steps. While some enthusiasts may choose to tackle the installation themselves, it’s often recommended to seek professional assistance for optimal results. Here’s a general overview of the installation process:
- Preparation: Gather all necessary tools and parts, including the turbo, gaskets, oil lines, and any additional components required for installation.
- Remove the Old Turbo: Disconnect the battery, remove the intake and exhaust components, and carefully take out the existing turbocharger.
- Install the GTX Turbo: Position the new turbo in place, ensuring proper alignment with the exhaust manifold and intake system. Secure it with the appropriate hardware.
- Reconnect Lines: Attach oil and coolant lines, ensuring there are no leaks. Check all connections thoroughly.
- Final Checks: Reinstall any removed components, reconnect the battery, and perform a final inspection before starting the engine.
Tuning for Maximum Performance
After upgrading to a Garrett GTX turbo, proper tuning is essential to maximize performance and ensure engine longevity. Consider the following:
- ECU Tuning: Reflash or replace your ECU with a performance tune that accommodates the new turbo and its airflow characteristics.
- Fuel Management: Upgrade your fuel system to ensure adequate fuel delivery, including high-flow fuel injectors and a performance fuel pump.
- Monitoring: Install gauges to monitor boost pressure, air-fuel ratio, and engine temperatures to keep an eye on performance metrics.
Conclusion
Upgrading to a Garrett GTX series turbocharger can significantly enhance the performance of your 4G63 engine, delivering more power and improved responsiveness. By carefully selecting the right turbo, following proper installation procedures, and tuning your engine accordingly, you can maximize the potential of your vehicle and enjoy an exhilarating driving experience.