Table of Contents
The turbocharger is a crucial component in enhancing the performance of the B58 engine. In this article, we will compare two popular upgrades: the Garrett GTX3071 and the BorgWarner KP39. Both options have their unique features and benefits that cater to different performance goals.
Overview of the B58 Engine
The B58 engine, developed by BMW, is a 3.0-liter inline-six turbocharged engine. It is known for its smooth power delivery and robust performance. The engine is part of BMW’s modular engine family and is used in various models, including the Toyota Supra.
Garrett GTX3071 Turbocharger
The Garrett GTX3071 is a popular choice for enthusiasts looking to increase their B58’s horsepower and torque. It features advanced technology and design that make it suitable for both street and track applications.
Specifications
- Compressor Wheel: 71mm
- Turbine Wheel: 60mm
- Max Boost Pressure: 30 PSI
- Power Range: 400-500 HP
Performance Benefits
The Garrett GTX3071 offers several performance benefits:
- Increased horsepower and torque output.
- Improved throttle response.
- Better efficiency at higher RPMs.
BorgWarner KP39 Turbocharger
The BorgWarner KP39 is another excellent option for B58 upgrades. It is known for its reliability and efficiency, making it a solid choice for daily driving and spirited performance.
Specifications
- Compressor Wheel: 39mm
- Turbine Wheel: 43mm
- Max Boost Pressure: 25 PSI
- Power Range: 300-400 HP
Performance Benefits
The BorgWarner KP39 provides several advantages:
- Reliable performance for daily driving.
- Good balance of power and efficiency.
- Lower turbo lag compared to larger turbos.
Comparative Analysis
When choosing between the Garrett GTX3071 and the BorgWarner KP39, it’s important to consider your specific performance goals and driving style.
Power Output
The Garrett GTX3071 is designed for those seeking higher power outputs, while the BorgWarner KP39 is ideal for those who prioritize reliability and efficiency.
Response and Efficiency
The GTX3071 offers better performance at higher RPMs, but the KP39 provides quicker spool times, making it more responsive in everyday driving situations.
Conclusion
In conclusion, both the Garrett GTX3071 and the BorgWarner KP39 are excellent turbocharger upgrades for the B58 engine. Your choice should depend on your performance needs and driving preferences. The GTX3071 is perfect for high-performance builds, while the KP39 is suitable for those looking for a reliable and efficient upgrade.