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The Subaru BRZ, equipped with the FA20 engine, is a popular choice among car enthusiasts looking to enhance performance. One effective way to achieve significant power gains is by installing a turbocharger. This guide will walk you through the process of achieving 280 horsepower using the Garrett GT28 turbo kit.
Understanding the FA20 Engine
The FA20 engine is a flat-four, naturally aspirated engine that produces a respectable amount of power in its stock form. However, for those seeking more performance, understanding its components and capabilities is crucial.
- Engine Type: Flat-four
- Displacement: 2.0 liters
- Stock Horsepower: Approximately 200 hp
- Stock Torque: Around 151 lb-ft
Benefits of Turbocharging
Turbocharging the FA20 engine offers several advantages that enhance both performance and driving experience.
- Increased Horsepower: Achieve up to 280 hp with the right setup.
- Improved Torque: Enhanced low-end torque for better acceleration.
- Better Fuel Efficiency: Turbocharged engines can be more efficient under certain conditions.
Choosing the Right Turbo Kit
The Garrett GT28 turbo kit is a popular choice for BRZ owners looking to boost their engine’s performance. Here are some reasons why:
- Proven Performance: The GT28 is known for its reliability and performance gains.
- Complete Kit: Includes all necessary components for installation.
- Support for Tuning: Compatible with various tuning options to maximize power.
Installation Process
Installing the Garrett GT28 turbo kit requires careful planning and execution. Here’s a step-by-step guide to ensure a successful installation.
Tools and Materials Needed
- Garrett GT28 Turbo Kit
- Basic Hand Tools (wrenches, sockets, etc.)
- Torque Wrench
- Oil and Coolant
- Performance Tuning Software
Step-by-Step Installation
Follow these steps to install the turbo kit:
- 1. Disconnect the battery and remove the intake system.
- 2. Remove the exhaust manifold and downpipe.
- 3. Install the turbocharger onto the exhaust manifold.
- 4. Connect the oil and coolant lines to the turbo.
- 5. Install the new downpipe and exhaust system.
- 6. Reconnect the intake system with the new air filter.
- 7. Check all connections for leaks and secure them.
- 8. Reconnect the battery.
Tuning Your BRZ for Maximum Performance
After installation, tuning is essential to achieve the desired horsepower. Proper tuning ensures the engine runs efficiently and safely with the added boost from the turbo.
Choosing a Tuning Method
- ECU Reflash: Adjusting the stock ECU settings for better performance.
- Standalone ECU: Replacing the stock ECU for full control over engine parameters.
- Dyno Tuning: Professional tuning on a dynamometer for optimal results.
Monitoring Engine Performance
After tuning, it’s important to monitor engine performance to ensure everything is running smoothly. Consider installing:
- Boost Gauge: To monitor turbo boost levels.
- Wideband O2 Sensor: To check air-fuel ratios.
- Oil Pressure Gauge: To ensure proper oil flow.
Potential Issues and Solutions
While turbocharging your BRZ can lead to impressive performance gains, it’s important to be aware of potential issues that may arise.
- Boost Leaks: Check all connections for leaks that can reduce performance.
- Engine Knock: Ensure proper tuning to avoid damaging the engine.
- Heat Management: Consider upgrading the cooling system to handle increased heat.
Conclusion
Achieving 280 hp on your BRZ FA20 using the Garrett GT28 turbo kit is an exciting project that offers substantial performance improvements. By following this guide, you can ensure a successful installation and tuning process, allowing you to enjoy the enhanced power and driving experience that comes with turbocharging.