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The A90 Supra has become a highly regarded model among car enthusiasts and tuners alike. With its sleek design and impressive engineering, it has quickly made a name for itself in the performance car market. One of the most significant upgrades for the A90 Supra is the addition of a turbocharger. In this article, we will explore how much power the BorgWarner EFR 8374 turbo can add to the A90 Supra and analyze the real gains from this modification.
Understanding the A90 Supra’s Stock Performance
The stock A90 Supra comes equipped with a B58 inline-six engine, which produces around 335 horsepower and 365 lb-ft of torque. This power output is impressive for a factory model, but many enthusiasts seek more performance. The question remains: how can we enhance this already potent engine?
Introducing the BorgWarner EFR 8374 Turbo
The BorgWarner EFR 8374 turbocharger is known for its efficiency and performance. It features a twin-scroll design and is capable of supporting significant horsepower gains. This turbo is designed to minimize turbo lag while maximizing power output, making it an ideal choice for the A90 Supra.
Specifications of the EFR 8374 Turbo
- Compressor Wheel Diameter: 74mm
- Turbine Wheel Diameter: 64mm
- Max Power Output: Up to 600 horsepower
- Boost Pressure: Capable of exceeding 30 psi
Power Gains with the EFR 8374 Turbo
When installed on the A90 Supra, the BorgWarner EFR 8374 turbo can provide substantial power gains. Depending on the supporting modifications and tuning, users can expect to see an increase in horsepower and torque that can significantly enhance the driving experience.
Expected Power Gains
- Stock Horsepower: 335 hp
- With EFR 8374 Turbo: Approximately 500-550 hp
- Torque Gains: Up to 500 lb-ft with proper tuning
Factors Affecting Power Gains
While the EFR 8374 turbo can provide substantial gains, several factors can influence the actual power output. These include:
- Engine tuning: A proper ECU tune is essential to maximize the turbo’s potential.
- Supporting modifications: Upgraded intercoolers, fuel systems, and exhausts can enhance performance.
- Boost levels: The amount of boost pressure can significantly affect power output.
Installation Considerations
Installing the BorgWarner EFR 8374 turbo on the A90 Supra requires careful planning and execution. It’s crucial to consider the following:
- Professional installation: To ensure reliability and performance, professional installation is recommended.
- Custom tuning: After installation, a custom tune is necessary to optimize performance.
- Supporting mods: Ensure that the vehicle has adequate supporting modifications to handle the increased power.
Conclusion
The BorgWarner EFR 8374 turbo is an excellent upgrade for the A90 Supra, offering significant power gains that can elevate the driving experience. With proper installation and tuning, enthusiasts can unlock the full potential of their Supra, transforming it into a high-performance machine. Whether on the track or the street, the EFR 8374 turbo can provide the performance boost that many A90 owners are seeking.