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The Ford Focus RS is renowned for its performance and agility, but for enthusiasts looking to push the limits, upgrading the turbocharger can yield significant power gains. One popular choice among tuners is the Garrett GT4202R turbocharger. This article delves into the advantages of this turbo upgrade, the installation process, and the potential power gains.
Understanding the Garrett GT4202R Turbocharger
The Garrett GT4202R turbocharger is designed for high-performance applications, offering a balance of efficiency and power. With its larger compressor and turbine wheels, it can handle higher boost levels, making it ideal for those looking to reach 750 horsepower in their Ford Focus RS.
Stock vs. Upgraded Turbo: What You Need to Know
The stock turbocharger on the Ford Focus RS provides decent performance, but it has limitations. By upgrading to the GT4202R, you can experience:
- Increased Airflow: The GT4202R can move more air, allowing for higher horsepower and torque.
- Improved Response: Enhanced spool characteristics lead to quicker throttle response.
- Better Efficiency: The turbo is designed to maintain efficiency at higher boost levels.
Installation Process
Installing the Garrett GT4202R requires some mechanical knowledge and the right tools. Here’s a step-by-step guide to help you through the process:
- Preparation: Gather necessary tools and parts, including gaskets, oil lines, and a tuning solution.
- Remove the Stock Turbo: Disconnect the battery, remove intake and exhaust components, and unbolt the stock turbo.
- Install the GT4202R: Position the new turbo in place, ensuring all connections are secure.
- Reassemble: Reconnect all components and double-check for leaks.
- Tuning: Properly tune the engine to accommodate the new turbo for optimal performance.
Potential Power Gains
With the Garrett GT4202R turbocharger, many enthusiasts have reported impressive power gains. Here’s what you can expect:
- Stock Output: The Ford Focus RS typically produces around 350 horsepower.
- With GT4202R: Properly tuned, the vehicle can achieve up to 750 horsepower, depending on supporting modifications.
Supporting Modifications
To safely reach the 750 horsepower mark, additional modifications are often necessary. Consider the following upgrades:
- Fuel System Upgrade: High-flow fuel injectors and a larger fuel pump are essential to meet increased fuel demands.
- Exhaust System: A high-performance exhaust system helps reduce back pressure and improve turbo efficiency.
- Cooling System: An upgraded intercooler and radiator can maintain optimal temperatures under high performance.
- Engine Internals: Strengthening engine internals may be necessary to handle increased power and boost levels.
Conclusion
Upgrading to the Garrett GT4202R turbocharger can transform your Ford Focus RS from a spirited performer to a high-powered machine capable of reaching 750 horsepower. With the right installation and supporting modifications, you can unlock the full potential of your vehicle and enjoy an exhilarating driving experience.