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The A90 Toyota Supra has become a popular platform for tuners and enthusiasts seeking to maximize performance. Among the various upgrades available, turbo kits stand out as one of the most impactful modifications. In this article, we will explore a showdown between two prominent turbo kits: the HKS GTII 3400R and the Garrett GTX3584RS. Both options promise significant power gains, but which one truly delivers the best performance? Let’s dive into the details.
Overview of the A90 Supra Turbo Kits
The A90 Supra is equipped with a 3.0-liter inline-six engine, which provides a solid foundation for tuning. When it comes to turbo kits, the HKS GTII 3400R and Garrett GTX3584RS are two of the most sought-after options. Each kit has its unique features and specifications, catering to different performance goals and driving styles.
HKS GTII 3400R Turbo Kit
The HKS GTII 3400R is designed for enthusiasts looking for a balance between street performance and track capability. This turbo kit features a twin-scroll design that enhances response and minimizes turbo lag, allowing for a more engaging driving experience.
- Power Output: Capable of producing up to 800 horsepower with proper tuning.
- Turbo Size: 68mm compressor wheel and 60mm turbine wheel.
- Features: Twin-scroll design, lightweight construction, and high-efficiency compressor.
The HKS GTII 3400R is particularly well-suited for those who enjoy spirited driving on the streets while still having the ability to hit the track. Its design allows for quick spooling, making it a favorite among those who value responsiveness.
Garrett GTX3584RS Turbo Kit
The Garrett GTX3584RS turbo kit is another excellent choice for A90 Supra owners seeking maximum power. Known for its robust performance and reliability, this turbo is engineered to handle high horsepower applications while maintaining efficiency.
- Power Output: Capable of producing over 1000 horsepower with the right setup.
- Turbo Size: 76mm compressor wheel and 64mm turbine wheel.
- Features: Advanced aerodynamics, high-flow capabilities, and durable construction.
The GTX3584RS is ideal for those who are focused on achieving maximum horsepower and are willing to invest in supporting modifications. Its larger size allows for greater airflow, making it a top choice for serious racers.
Performance Comparison
When comparing the HKS GTII 3400R and Garrett GTX3584RS, several factors come into play, including power delivery, spool time, and overall performance characteristics. Each turbo kit has its strengths, making them suitable for different types of drivers.
Power Delivery
The power delivery of a turbo kit can significantly affect the driving experience. The HKS GTII 3400R is known for its linear power band, providing a smooth and predictable acceleration curve. This characteristic is especially beneficial for street driving.
In contrast, the Garrett GTX3584RS offers a more aggressive power delivery, which can be thrilling for those who enjoy pushing their vehicle to the limit. While it may have a slightly longer spool time, the ultimate power output is impressive, making it a favorite among drag racers.
Spool Time
Spool time is a critical factor for many enthusiasts, as it determines how quickly the turbo can provide boost. The HKS GTII 3400R, with its twin-scroll design, is engineered for quick spool, allowing drivers to experience boost at lower RPMs. This feature enhances drivability, especially in everyday situations.
The Garrett GTX3584RS, while still capable of decent spool times, may require higher RPMs to reach full boost. This characteristic can be advantageous for those who prefer high-revving performance, but it may not be as suitable for casual driving.
Installation and Support
Installation is a crucial aspect to consider when choosing a turbo kit. Both the HKS GTII 3400R and Garrett GTX3584RS come with comprehensive installation guides, but the complexity may vary based on the specific components included in each kit.
HKS GTII 3400R Installation
The installation process for the HKS GTII 3400R is generally straightforward, especially for those with experience in automotive modifications. The kit is designed to fit the A90 Supra with minimal modifications required, making it accessible for DIY enthusiasts.
Garrett GTX3584RS Installation
On the other hand, the Garrett GTX3584RS may require more extensive modifications to achieve optimal fitment. While the performance gains are significant, prospective buyers should be prepared for a more involved installation process, especially if they are not experienced with turbo setups.
Cost Considerations
Cost is always a factor when it comes to performance upgrades. The pricing for the HKS GTII 3400R and Garrett GTX3584RS can vary based on the retailer and any additional components required for installation.
- HKS GTII 3400R: Generally priced in the mid-range for turbo kits, making it a cost-effective option for those seeking solid performance.
- Garrett GTX3584RS: Tends to be on the higher end of the price spectrum due to its advanced design and potential for extreme power output.
When budgeting for a turbo kit, it’s essential to consider not only the initial purchase price but also the potential costs of supporting modifications, tuning, and installation.
Conclusion
In the showdown between the HKS GTII 3400R and Garrett GTX3584RS, both turbo kits offer unique advantages tailored to different driving preferences. The HKS GTII 3400R excels in providing a responsive and enjoyable driving experience, making it perfect for street use. Meanwhile, the Garrett GTX3584RS stands out for those seeking maximum power and performance, particularly in racing scenarios.
Ultimately, the choice between these two turbo kits will depend on your specific performance goals, driving style, and budget. Both options have proven themselves in the tuning community, ensuring that whichever kit you choose, your A90 Supra will be ready to unleash its full potential.