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The world of turbocharging is vast and varied, especially when it comes to performance upgrades for the Subaru WRX. Among the popular choices for turbo upgrades are the BorgWarner EFR 7163 and the Mitsubishi TD05H-20G. This article will compare these two turbochargers to help you make an informed decision for your WRX build.
Overview of the Turbochargers
Both the BorgWarner EFR 7163 and Mitsubishi TD05H-20G are renowned for their performance capabilities, but they cater to different needs and preferences. Understanding their specifications and characteristics can help you choose the right one for your WRX.
BorgWarner EFR 7163
The BorgWarner EFR 7163 is a part of the EFR series, known for its innovative design and advanced technology. This turbocharger offers a range of features that make it suitable for high-performance applications.
- Compressor Size: 63mm
- Max Boost: Up to 30 psi
- Power Range: 450-600 HP
- Weight: Approximately 15 lbs
- Features: Integrated blow-off valve, dual ball bearing design, and lightweight materials.
Mitsubishi TD05H-20G
The Mitsubishi TD05H-20G is a classic turbocharger that has been a favorite among WRX enthusiasts for many years. It is known for its reliability and ease of tuning.
- Compressor Size: 20G (around 60mm)
- Max Boost: Up to 25 psi
- Power Range: 300-450 HP
- Weight: Approximately 10 lbs
- Features: Simplicity, proven performance, and compatibility with various WRX models.
Performance Comparison
When comparing the performance of the BorgWarner EFR 7163 and Mitsubishi TD05H-20G, several factors come into play, including power output, spool time, and overall performance characteristics.
Power Output
The BorgWarner EFR 7163 is capable of producing significantly more power compared to the Mitsubishi TD05H-20G. This makes it an ideal choice for those looking to push their WRX to higher performance levels.
Spool Time
Spool time is crucial for turbo performance, especially in a WRX where quick throttle response is desired. The EFR 7163 benefits from its dual ball bearing design, allowing for faster spool times compared to the TD05H-20G.
Overall Performance
In terms of overall performance, the BorgWarner EFR 7163 offers advanced technology that provides better efficiency and power delivery. However, the Mitsubishi TD05H-20G remains a solid choice for those who prioritize reliability and ease of tuning.
Installation Considerations
Installing a new turbocharger can be a complex process, and it is essential to consider compatibility and fitment for your specific WRX model.
- BorgWarner EFR 7163: May require additional modifications to fit, including custom piping and tuning adjustments.
- Mitsubishi TD05H-20G: Generally easier to install with fewer modifications needed, making it a more straightforward upgrade.
Cost Analysis
Cost is often a significant factor when choosing a turbo upgrade. Here’s a breakdown of the typical costs associated with each turbocharger.
- BorgWarner EFR 7163: Typically priced higher due to its advanced features and capabilities, ranging from $1,500 to $2,500.
- Mitsubishi TD05H-20G: More budget-friendly option, usually priced between $800 and $1,200.
Conclusion
Choosing between the BorgWarner EFR 7163 and Mitsubishi TD05H-20G ultimately depends on your performance goals, budget, and willingness to modify your WRX. The EFR 7163 offers cutting-edge performance for those seeking maximum power, while the TD05H-20G provides a reliable and cost-effective solution for enthusiasts looking for a solid upgrade.
Regardless of your choice, both turbochargers have proven themselves in the WRX community, and either option can enhance your driving experience significantly.