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The A90 Supra B58 has captured the attention of car enthusiasts and tuners alike with its impressive performance and tuning potential. One of the key upgrades that can significantly enhance the power output of this vehicle is the turbocharger. In this article, we will explore the various turbocharger options available for the A90 Supra B58, focusing on the offerings from Garrett GTX and BorgWarner.
Understanding the B58 Engine
The B58 engine is a 3.0-liter inline-six engine produced by BMW, known for its robust performance and tuning capabilities. This engine features a twin-scroll turbocharger, which helps in reducing turbo lag and improving throttle response. Understanding how the B58 engine functions is crucial for selecting the right turbocharger for optimal performance.
Why Upgrade the Turbocharger?
Upgrading the turbocharger can lead to significant performance gains. A larger or more efficient turbocharger can provide:
- Increased horsepower and torque
- Better throttle response
- Enhanced tuning flexibility
- Improved engine efficiency
Garrett GTX Turbocharger Options
Garrett is a well-known name in the turbocharger industry, and their GTX series is designed for high-performance applications. The GTX series offers several options for the A90 Supra B58:
- Garrett GTX2867R: This turbocharger is a popular choice for those looking to achieve a balance between performance and reliability. It offers quick spool times and can support power levels up to 500 horsepower.
- Garrett GTX3071R: For those seeking more power, the GTX3071R can provide significant gains, supporting up to 600 horsepower. It features advanced aerodynamics for improved efficiency.
- Garrett GTX3582R: The GTX3582R is ideal for high horsepower builds, capable of producing over 700 horsepower. Its larger size may require additional modifications to fit properly.
BorgWarner Turbocharger Options
BorgWarner is another prominent manufacturer known for producing high-performance turbochargers. Their options for the A90 Supra B58 include:
- BorgWarner EFR 7670: This turbocharger is designed for quick spool and high efficiency, making it suitable for street and track use. It can support power levels up to 600 horsepower.
- BorgWarner EFR 9180: The EFR 9180 is a larger option that can provide significant power gains, supporting over 700 horsepower. It features advanced technology for optimal performance.
- BorgWarner S400SX: For those looking for extreme power, the S400SX is capable of supporting well over 800 horsepower. This turbo is typically used in race applications and requires extensive modifications.
Factors to Consider When Choosing a Turbocharger
When selecting a turbocharger for the A90 Supra B58, several factors should be considered:
- Power Goals: Determine the horsepower and torque goals for your build. This will help narrow down the appropriate turbocharger size.
- Driving Style: Consider whether the vehicle will be used primarily for street driving, track use, or a combination of both. This affects the choice of turbocharger.
- Supporting Modifications: Ensure that your vehicle has the necessary supporting modifications such as fuel system upgrades and intercoolers to handle the increased power.
- Budget: Turbocharger upgrades can vary significantly in price. Set a budget that includes not only the turbo but also installation and supporting parts.
Installation and Tuning Considerations
Installing a new turbocharger requires careful attention to detail. It is recommended to consult with a professional tuner or mechanic to ensure proper installation. Additionally, tuning the engine is crucial to maximize the benefits of the new turbocharger. Here are some key considerations:
- ECU Tuning: After installing a new turbocharger, the engine’s ECU must be re-tuned to optimize performance and ensure safe operation.
- Boost Control: Upgraded turbochargers may require new boost control solutions to manage the increased boost levels effectively.
- Monitoring Systems: Consider installing monitoring systems to keep track of vital engine parameters such as air-fuel ratio, boost pressure, and exhaust gas temperatures.
Conclusion
Upgrading the turbocharger on the A90 Supra B58 can lead to significant performance improvements. Both Garrett GTX and BorgWarner offer excellent options for enthusiasts looking to enhance their driving experience. By carefully considering your power goals, driving style, and supporting modifications, you can select the right turbocharger to take your A90 Supra to the next level.