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The Toyota Supra is a beloved sports car known for its performance and tuning potential. When it comes to enhancing the driving experience, upgrading the differential can make a significant difference. Two popular options for differential upgrades are the Eaton Detroit TrueTrac and Auburn Gear. In this article, we will compare the cost and performance of these two options for the Toyota Supra.
Overview of Eaton Detroit TrueTrac
The Eaton Detroit TrueTrac is a helical gear limited-slip differential that provides smooth and consistent power transfer to the wheels. It is designed to enhance traction without the need for clutches or friction plates, which means less maintenance and longer life.
Key Features of Eaton Detroit TrueTrac
- Helical gear design for smooth operation
- No clutches or friction plates
- Automatic engagement and disengagement
- Durable construction for longevity
Overview of Auburn Gear
Auburn Gear offers a variety of differentials, including their high-performance models designed for street and racing applications. Their products are known for excellent performance and reliability, making them a popular choice among car enthusiasts.
Key Features of Auburn Gear
- Cone-style limited-slip differential
- Adjustable preload for customization
- High-strength materials for durability
- Excellent torque transfer and traction
Cost Comparison
When considering an upgrade, cost is often a crucial factor. Both Eaton Detroit TrueTrac and Auburn Gear offer competitive pricing, but there are differences to note.
Eaton Detroit TrueTrac Pricing
The Eaton Detroit TrueTrac typically retails in the range of $800 to $1,200, depending on the specific model and retailer. This price includes the differential unit but may not cover installation costs.
Auburn Gear Pricing
Auburn Gear differentials generally range from $700 to $1,500. Again, this pricing can vary based on the model and where it is purchased. Installation costs should also be factored into the total expense.
Performance Comparison
Performance is a critical aspect of any differential upgrade. Both the Eaton Detroit TrueTrac and Auburn Gear have their unique characteristics that cater to different driving styles.
Eaton Detroit TrueTrac Performance
The TrueTrac is known for its smooth operation and seamless power transfer. It excels in providing consistent traction in various conditions, making it suitable for both street and track use.
Auburn Gear Performance
Auburn Gear differentials offer aggressive torque transfer, making them ideal for high-performance applications. The adjustable preload feature allows drivers to fine-tune their setup for optimal performance based on their driving style.
Installation Considerations
Installing a new differential can be a complex process that requires specialized tools and knowledge. Both Eaton and Auburn recommend professional installation to ensure proper setup and performance.
Installation Process for Eaton Detroit TrueTrac
The installation of the Eaton Detroit TrueTrac involves removing the existing differential and replacing it with the TrueTrac unit. It is essential to set the gear backlash and ensure proper lubrication throughout the process.
Installation Process for Auburn Gear
The Auburn Gear installation process is similar, requiring the removal of the stock differential and careful attention to the adjustment of the preload settings for optimal performance. Proper gear alignment is crucial for longevity.
User Experiences and Reviews
User reviews can provide valuable insights into the real-world performance of both differentials. Many Supra owners have shared their experiences with both Eaton and Auburn products.
Eaton Detroit TrueTrac User Feedback
Many users praise the Eaton TrueTrac for its reliability and smooth operation. Drivers report improved traction, especially during cornering and wet conditions, without sacrificing drivability.
Auburn Gear User Feedback
Auburn Gear users often highlight the aggressive traction and performance enhancements. The ability to adjust preload has been a significant advantage for those who frequently track their vehicles.
Final Thoughts
Choosing between the Eaton Detroit TrueTrac and Auburn Gear for your Toyota Supra ultimately comes down to your specific needs and driving style. Both options offer excellent performance and durability, but they cater to different preferences.
Considerations for Decision Making
When deciding which differential to choose, consider the following factors:
- Your typical driving conditions (street vs. track)
- Desired level of adjustability
- Budget constraints
- Long-term maintenance expectations