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The Audi Mk1 TT 1.8T is a beloved platform among car enthusiasts, and for good reason. With its lightweight design and turbocharged engine, it has the potential to deliver thrilling performance. One of the most effective ways to unlock additional horsepower is through turbo upgrades. In this article, we will explore the best turbo upgrades available for the Mk1 TT 1.8T, focusing on achieving 320+ horsepower using BorgWarner or GTX series turbos.
Understanding Turbo Upgrades
Turbo upgrades can significantly enhance the performance of your Mk1 TT 1.8T. By replacing the stock turbo with a more efficient unit, you can increase airflow, boost pressure, and ultimately horsepower. When selecting a turbo, it’s essential to consider factors such as responsiveness, reliability, and the ability to support your horsepower goals.
Why Choose BorgWarner or GTX Series Turbos?
BorgWarner and GTX series turbos are known for their performance capabilities and reliability. Here are some reasons why they are popular choices for the Mk1 TT 1.8T:
- Efficiency: Both BorgWarner and GTX turbos offer high efficiency, allowing for better power delivery and reduced turbo lag.
- Durability: These turbos are built to withstand high temperatures and pressures, making them ideal for performance applications.
- Support for High Horsepower: With the right supporting mods, both turbo options can easily exceed 320 horsepower.
Top Turbo Upgrades for Mk1 TT 1.8T
BorgWarner K04 Turbo
The BorgWarner K04 turbo is a popular upgrade for Mk1 TT 1.8T owners. It provides a significant increase in power while maintaining good drivability. Here are some key features:
- Power Output: Capable of producing 250-300 horsepower with supporting mods.
- Easy Installation: Designed to be a direct bolt-on replacement for the stock turbo.
- Improved Response: Offers better spool characteristics compared to the stock unit.
GTX2867R Turbo
The GTX2867R is part of the GTX series and is known for its ability to produce impressive power figures. Here’s why it’s a great choice:
- Power Output: Capable of achieving 320+ horsepower with the right supporting modifications.
- Lightweight Design: The GTX2867R is designed for quick spool and high efficiency.
- Versatile Performance: Suitable for both street and track applications.
GTX3071R Turbo
If you’re looking for even more power, the GTX3071R is an excellent option. It’s known for its robust performance capabilities:
- Power Output: Can support up to 400 horsepower with proper tuning and supporting mods.
- High Efficiency: Offers excellent airflow and minimal turbo lag.
- Proven Track Record: Widely used in the performance community with many success stories.
Supporting Modifications
To achieve 320+ horsepower with your turbo upgrade, you will need to consider several supporting modifications. Here are some essential upgrades to consider:
- High-Flow Fuel Injectors: Upgrading to larger injectors is crucial for meeting the increased fuel demands.
- Upgraded Fuel Pump: A high-performance fuel pump ensures adequate fuel delivery under boost.
- Intercooler Upgrade: A larger intercooler helps maintain lower intake temperatures, improving performance.
- Exhaust System: A free-flowing exhaust system reduces back pressure and enhances turbo performance.
- Tuning: Proper tuning is essential to maximize the performance of your new turbo setup.
Conclusion
Upgrading the turbo on your Mk1 TT 1.8T can unlock significant performance gains, allowing you to achieve 320+ horsepower. Both BorgWarner and GTX series turbos offer excellent options for enthusiasts looking to enhance their driving experience. By combining the right turbo with supporting modifications, you can transform your Mk1 TT into a powerful machine that delivers exhilarating performance on both the street and the track.