Upgrading to a Td05h-20g Turbo on Your Wrx: Installation and Power Gains Explained

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Upgrading your WRX with a TD05H-20G turbo can significantly enhance performance and driving experience. This article will guide you through the installation process and the potential power gains you can expect.

Understanding the TD05H-20G Turbo

The TD05H-20G turbocharger is a popular choice among WRX enthusiasts. Its design allows for increased airflow and boost pressure, resulting in better engine performance. Here are some key features:

  • Improved spool time for quicker acceleration.
  • Higher power output compared to stock turbos.
  • Durable construction for long-term reliability.

Installation Process

Installing the TD05H-20G turbo requires some mechanical knowledge and tools. Follow these steps for a successful installation:

  • Preparation: Gather tools and parts needed for the installation.
  • Remove the stock turbo: Disconnect the battery, remove the intake, and unbolt the stock turbo.
  • Install the new turbo: Position the TD05H-20G and secure it with the appropriate bolts.
  • Reconnect all components: Ensure all hoses and connections are tight and secure.
  • Reinstall the intake: Attach the intake system back to the turbo.
  • Check for leaks: Before starting the engine, inspect for any potential leaks.
  • Start the engine: Allow the engine to idle and check for any unusual sounds or issues.

Power Gains from the Upgrade

One of the primary motivations for upgrading to a TD05H-20G turbo is the increase in power. Here’s what you can expect:

  • Horsepower Increase: Many users report gains of 50-100 horsepower over stock turbos.
  • Torque Improvements: Enhanced torque delivery, especially in the mid-range RPMs.
  • Better Throttle Response: Improved throttle response due to reduced turbo lag.

Considerations Before Upgrading

Before making the switch to a TD05H-20G turbo, consider the following:

  • Supporting Mods: Upgrading fuel injectors and intercooler may be necessary to maximize gains.
  • Tuning: A proper tune is essential to ensure the engine runs efficiently with the new turbo.
  • Potential for Increased Wear: Higher power output can lead to more stress on engine components.

Conclusion

Upgrading to a TD05H-20G turbo on your WRX can provide substantial performance enhancements. By following the installation steps and considering necessary supporting modifications, you can enjoy the benefits of increased power and improved driving dynamics.