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Upgrading your Subaru WRX with a Precision Turbo 5857 can significantly enhance performance, pushing your car beyond the 400 horsepower mark. This article outlines the best practices for a successful upgrade, ensuring you maximize power and reliability.
Understanding the Precision Turbo 5857
The Precision Turbo 5857 is a popular choice among WRX enthusiasts due to its ability to deliver high horsepower while maintaining a responsive power band. Here are some key features:
- Compressor Wheel: 57mm inducer, providing excellent airflow.
- Turbine Wheel: 76mm, optimizing exhaust flow for better spool.
- Ball Bearing Design: Reduces lag and improves response times.
Preparing for the Upgrade
Before diving into the installation process, proper preparation is essential. Follow these steps to ensure a smooth upgrade:
- Research: Understand the specifications of the Precision Turbo 5857 and how it fits your WRX model.
- Gather Tools: Ensure you have all necessary tools, including wrenches, sockets, and a torque wrench.
- Purchase Supporting Mods: Consider upgrading your fuel system, intercooler, and exhaust to support increased power.
Installation Steps
Follow these steps to install the Precision Turbo 5857 on your WRX:
- Remove the Stock Turbo: Begin by disconnecting the battery, removing the intake, and exhaust components connected to the stock turbo.
- Install New Turbo: Position the Precision Turbo 5857 in place and secure it with the appropriate hardware.
- Connect Oil Lines: Ensure proper oil lines are connected to prevent turbo failure.
- Reinstall Exhaust and Intake: Reattach all components, ensuring there are no leaks.
- Reconnect Battery: Once everything is secure, reconnect the battery.
Tuning Your WRX
After the installation, tuning is crucial for optimal performance. Here are some tuning considerations:
- ECU Remapping: A professional tune is necessary to adjust fuel maps and ignition timing.
- Boost Control: Set up a boost controller to manage boost levels effectively.
- Monitoring: Use gauges to monitor boost, air-fuel ratio, and exhaust temperatures.
Testing and Fine-Tuning
Once tuning is complete, it’s time to test your WRX. Follow these guidelines:
- Initial Test Drive: Start with low boost levels to ensure everything is functioning properly.
- Monitor Performance: Pay attention to how the car responds under different conditions.
- Adjust Tune as Needed: Fine-tune your ECU settings based on performance feedback.
Maintenance After Upgrade
Regular maintenance is essential to keep your upgraded WRX running smoothly. Consider these maintenance tips:
- Oil Changes: Use high-quality synthetic oil and change it regularly.
- Inspect Turbo: Regularly check for any oil leaks or signs of wear.
- Monitor Boost Levels: Ensure your boost levels remain consistent and within safe limits.
Conclusion
Upgrading to a Precision Turbo 5857 on your WRX can unlock impressive power gains. By following these best practices, you can ensure a successful installation and enjoy the thrill of driving a high-performance vehicle.