Wrx Turbo Upgrade Selection: Comparing the Turbonetics T76 and Mitsubishi Td04 for 250+ Hp

The Subaru WRX has long been a favorite among car enthusiasts, particularly those who appreciate the thrill of turbocharged performance. Upgrading the turbocharger is one of the most effective ways to increase horsepower, and for those seeking over 250 hp, the choice often comes down to two popular options: the Turbonetics T76 and the Mitsubishi TD04. In this article, we will explore the features, advantages, and considerations of each turbo to help you make an informed decision.

Understanding Turbochargers

Turbochargers are essential components in performance vehicles, using exhaust gases to spin a turbine and force more air into the engine. This process increases horsepower and torque, making your vehicle more powerful and responsive. When selecting a turbocharger for your WRX, it’s crucial to understand the specifications and capabilities of each option.

Overview of Turbonetics T76

The Turbonetics T76 is a high-performance turbocharger known for its ability to produce significant horsepower. This turbo is designed for those looking to push their WRX beyond the standard limits, making it suitable for both street and track applications.

Specifications

  • Compressor Wheel Size: 76mm
  • Turbine Wheel Size: 76mm
  • Max Horsepower: 600 hp
  • Compressor A/R: 0.70
  • Turbine A/R: 0.84

Advantages

  • High horsepower potential, ideal for racing applications.
  • Responsive spool time, providing quick acceleration.
  • Durable construction, designed for high-performance use.

Considerations

  • May require additional supporting modifications for optimal performance.
  • Higher cost compared to other turbo options.
  • Installation may be complex and require professional assistance.

Overview of Mitsubishi TD04

The Mitsubishi TD04 is a popular turbocharger among WRX enthusiasts, especially for those looking for a reliable upgrade that balances performance and drivability. This turbo is often favored for its ease of installation and compatibility with various WRX models.

Specifications

  • Compressor Wheel Size: 19T (around 50mm)
  • Turbine Wheel Size: 14B (around 40mm)
  • Max Horsepower: 300 hp
  • Compressor A/R: 0.49
  • Turbine A/R: 0.49

Advantages

  • Good balance of power and reliability for daily driving.
  • More affordable than larger turbo options.
  • Easy installation with minimal modifications required.

Considerations

  • Limited horsepower potential may not satisfy performance enthusiasts.
  • Can experience turbo lag compared to larger turbos.
  • May require upgraded intercooler for optimal performance.

Comparing the Turbonetics T76 and Mitsubishi TD04

When comparing the Turbonetics T76 and Mitsubishi TD04, several factors should be considered to determine which turbo is best suited for your needs:

  • Horsepower Goals: The T76 is designed for those seeking high horsepower, while the TD04 is more suitable for moderate power increases.
  • Budget: The TD04 is generally more affordable, making it a great option for budget-conscious enthusiasts.
  • Installation Complexity: The TD04 offers easier installation, whereas the T76 may require more extensive modifications.
  • Driving Style: If you plan to use your WRX for daily driving, the TD04 may provide a better balance of performance and reliability.

Conclusion

Ultimately, the choice between the Turbonetics T76 and Mitsubishi TD04 depends on your specific performance goals, budget, and driving style. For those aiming for over 250 hp and willing to invest in a high-performance setup, the T76 presents an excellent option. Conversely, if you seek a reliable upgrade that offers a good balance of power and drivability, the TD04 is a solid choice. Whichever turbo you decide on, ensure that you have the necessary supporting modifications to maximize your WRX’s performance.