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The Subaru BRZ is a popular sports car known for its lightweight design and exceptional handling. However, for those seeking more power and performance, upgrading to a Garrett GT2871R turbocharger can provide a significant boost. This article outlines the installation and tuning tips necessary for a successful upgrade.
Understanding the Garrett GT2871R Turbo
The Garrett GT2871R is a popular choice among enthusiasts due to its ability to deliver a substantial increase in horsepower while maintaining reliability. It is important to understand the specifications and features of this turbo before proceeding with the installation.
- Compressor Wheel: 71mm
- Turbine Wheel: 56mm
- Max Boost: 20 psi
- Power Output: Up to 400 HP
Preparation for Installation
Before starting the installation, it is essential to gather all necessary tools and parts. Proper preparation will save time and ensure a smoother process.
- Garrett GT2871R Turbocharger
- Turbo manifold
- Intercooler and piping
- Oil and coolant lines
- ECU tuning software
- Basic hand tools (sockets, wrenches, etc.)
Installation Steps
Step 1: Remove the Stock Turbo
Begin by removing the stock turbocharger. This involves disconnecting the intake and exhaust components, as well as the oil and coolant lines. Make sure to label all connections to facilitate reassembly.
Step 2: Install the Turbo Manifold
Once the stock turbo is removed, install the new turbo manifold. Ensure that it is securely fastened and that all gaskets are in good condition to prevent leaks.
Step 3: Mount the Garrett GT2871R Turbo
Carefully mount the Garrett GT2871R turbo onto the new manifold. Tighten all bolts to the manufacturer’s specifications. Make sure the turbo is positioned correctly for the intake and exhaust connections.
Step 4: Connect Oil and Coolant Lines
Connect the oil and coolant lines to the turbo. It is crucial to ensure that these connections are tight to avoid leaks that could damage the turbo or engine.
Step 5: Install Intercooler and Piping
Install the intercooler and connect the piping to the turbo. Ensure that all connections are secure and that there are no obstructions in the airflow path.
Step 6: Reassemble Remaining Components
Reassemble any remaining components that were removed during the installation process. Double-check all connections and ensure everything is in place before starting the vehicle.
Tuning Your BRZ for the GT2871R Turbo
After the installation is complete, tuning the ECU is essential to maximize performance and ensure engine safety. Here are some tips for effective tuning.
- Use a reputable tuning software compatible with your ECU.
- Adjust fuel maps to accommodate the increased air intake.
- Monitor air-fuel ratios to avoid running lean.
- Consider a dyno tune for precise adjustments.
Common Issues and Troubleshooting
After installation and tuning, you may encounter some common issues. Being aware of these can help you troubleshoot effectively.
- Boost leaks: Check all piping and connections.
- Oil leaks: Inspect oil lines and fittings.
- Engine knocking: Ensure proper tuning and fuel quality.
Final Thoughts
Upgrading to a Garrett GT2871R turbocharger on your Subaru BRZ can significantly enhance its performance. By following the installation steps and tuning tips outlined in this article, you can enjoy a thrilling driving experience. Always prioritize safety and reliability in your upgrades.