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The Mazdaspeed 3 is known for its sporty performance and impressive handling. However, many enthusiasts seek to enhance its power further. One of the most effective ways to achieve this is by upgrading the turbocharger. In this guide, we will explore how to upgrade your Mazdaspeed 3 turbo to achieve 350 horsepower using the Garrett GT2871R turbocharger.
Understanding the Garrett GT2871R Turbocharger
The Garrett GT2871R is a popular choice among Mazdaspeed 3 enthusiasts. This turbocharger offers a perfect balance between quick spool time and high-end power. It is capable of supporting up to 400 horsepower, making it an excellent option for those looking to push their vehicle’s performance.
Benefits of Upgrading to the GT2871R
- Increased Power: The GT2871R can help you achieve up to 350 hp with proper tuning.
- Better Responsiveness: This turbo spools quickly, providing power when you need it most.
- Improved Efficiency: The GT2871R is designed for better airflow, increasing overall efficiency.
Required Parts for the Upgrade
Upgrading your Mazdaspeed 3’s turbocharger requires several components to ensure a successful installation and optimal performance. Below is a list of essential parts needed for the GT2871R upgrade:
- Garrett GT2871R Turbocharger
- Turbo manifold (compatible with GT2871R)
- Upgraded intercooler
- High-flow fuel injectors
- Upgraded fuel pump
- Aftermarket engine management system (EMS)
- Boost controller
- Exhaust system (3-inch recommended)
Installation Process
Installing the Garrett GT2871R turbocharger requires mechanical skill and knowledge of automotive systems. Here’s a step-by-step guide to help you through the process:
Step 1: Preparation
Before starting the installation, gather all necessary tools and parts. Ensure the vehicle is on a level surface and that you have adequate lighting.
Step 2: Remove the Stock Turbocharger
Begin by disconnecting the battery. Then, remove the intake and exhaust components connected to the stock turbocharger. This may include the downpipe, intercooler piping, and any heat shields. Once these are removed, unbolt the stock turbo from the manifold and lift it out.
Step 3: Install the New Turbocharger
Install the Garrett GT2871R turbocharger onto the new manifold. Ensure all gaskets are in place to prevent leaks. Secure the turbo to the manifold and reconnect the exhaust components. Be sure to use new gaskets where necessary.
Step 4: Upgrade Supporting Components
Replace the stock intercooler with your upgraded version. Install the high-flow fuel injectors and fuel pump to ensure adequate fuel delivery. Connect the new intake piping to the turbo, making sure all clamps are tight.
Step 5: Install Engine Management System
Install your aftermarket engine management system to manage the increased airflow and fuel delivery. Follow the manufacturer’s instructions for wiring and setup.
Step 6: Tune the Vehicle
After all components are installed, it’s crucial to tune your vehicle. A proper tune will optimize performance and ensure the engine runs efficiently with the new turbo setup. Use a reputable tuner familiar with Mazdaspeed 3 vehicles.
Potential Challenges
While upgrading to the Garrett GT2871R can yield significant performance gains, there are potential challenges to consider:
- Compatibility: Ensure all parts are compatible with your specific model year.
- Tuning Complexity: Proper tuning is critical; seek professional help if needed.
- Increased Maintenance: Higher performance may require more frequent maintenance checks.
Conclusion
Upgrading your Mazdaspeed 3 to a Garrett GT2871R turbocharger can significantly enhance its performance, pushing it to 350 hp. With the right parts, installation process, and tuning, you can transform your vehicle into a powerhouse. Always remember to consider compatibility and seek professional assistance when necessary to ensure a successful upgrade.