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The Mitsubishi Eclipse GSX is a beloved platform among car enthusiasts, especially for those looking to enhance performance. Achieving 400 horsepower from your Eclipse GSX requires a combination of the right performance parts and tuning strategies. This article will guide you through the essential components and tuning tips to help you reach that power goal.
Understanding Your Eclipse GSX
The Eclipse GSX is equipped with a turbocharged 2.0L inline-four engine, known as the 4G63. This engine has a strong aftermarket support and can be modified to achieve significant power gains. Understanding the engine’s components and how they work together is crucial for maximizing performance.
Essential Performance Parts
To achieve 400 horsepower, you will need to upgrade several key components of your Eclipse GSX. Here are the essential performance parts to consider:
- Turbocharger: Upgrading to a larger turbo, such as the Holset HX35 or a GT30, can significantly increase airflow and power.
- Fuel System: Upgrading to high-flow fuel injectors and a larger fuel pump is necessary to support increased horsepower.
- Intercooler: A larger front-mount intercooler will help reduce intake temperatures, improving performance and reliability.
- Exhaust System: A high-flow exhaust system, including headers and a cat-back exhaust, will reduce back pressure and improve exhaust flow.
- Engine Management: A standalone engine management system or a quality ECU tune is essential for optimizing performance and fuel delivery.
Turbocharger Options
Choosing the right turbocharger is critical for achieving your horsepower goals. Consider the following options:
- Holset HX35: Known for its durability and ability to support high horsepower.
- Garrett GT3076R: Offers excellent spool characteristics and power potential.
- FP Black: A popular choice among DSM enthusiasts for its high horsepower capability.
Fuel System Upgrades
To ensure your engine receives adequate fuel, consider upgrading the following:
- Fuel Injectors: Upgrade to 750cc or larger injectors to meet the demands of increased horsepower.
- Fuel Pump: A high-flow fuel pump, such as the Walbro 255, is essential for maintaining fuel pressure.
Engine Tuning Tips
Once you have installed the necessary performance parts, proper tuning is crucial to achieve and maintain 400 horsepower. Here are some tuning tips:
- Dyno Tuning: Consider professional dyno tuning to optimize your engine’s performance and ensure safe power levels.
- Monitor Air-Fuel Ratio: Keep a close eye on your air-fuel ratio to avoid running too lean, which can cause engine damage.
- Adjust Timing: Proper ignition timing adjustments can help improve power and efficiency.
- Boost Control: Use a boost controller to manage boost levels effectively and prevent overboosting.
Supporting Modifications
In addition to the main performance parts, several supporting modifications can enhance overall performance and reliability:
- Upgraded Clutch: A high-performance clutch will help handle the increased power and torque.
- Suspension Upgrades: Consider upgrading your suspension to improve handling and traction.
- Braking System: Upgrading brakes will enhance stopping power, which is crucial for high-performance driving.
Conclusion
Achieving 400 horsepower from your Mitsubishi Eclipse GSX is an exciting challenge that requires careful planning and execution. By selecting the right performance parts and following effective tuning strategies, you can unlock the full potential of your vehicle. Always remember to prioritize safety and reliability while pushing for higher performance.