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The Mazda RX-7 is a legendary sports car known for its lightweight design and rotary engine. Many enthusiasts seek to upgrade their RX-7’s turbo system to achieve greater performance. In this article, we will compare two popular turbocharger brands, Garrett and BorgWarner, focusing on their capabilities to produce over 350 horsepower.
Understanding Turbochargers
A turbocharger is a device that forces more air into the engine’s combustion chamber, allowing for more fuel to be burned and thus increasing power output. The efficiency and design of a turbocharger can significantly influence an engine’s performance.
Garrett Turbochargers
Garrett is a well-established name in the turbocharger industry, known for producing high-performance units. Their turbochargers are often praised for their reliability and efficiency.
Key Features of Garrett Turbochargers
- Wide Range of Options: Garrett offers a variety of turbo models suitable for different power goals.
- Durability: Their units are designed to withstand high temperatures and pressures.
- Response Time: Known for quick spool times, providing immediate power delivery.
BorgWarner Turbochargers
BorgWarner is another prominent player in the turbocharger market, recognized for their innovative designs and technology. Their turbos are often chosen for their performance and advanced engineering.
Key Features of BorgWarner Turbochargers
- Advanced Technology: BorgWarner utilizes cutting-edge designs to enhance efficiency.
- Versatility: Their turbos can be used in various applications, from street to race.
- Power Potential: Capable of supporting high horsepower builds with ease.
Comparing Performance: Garrett vs. BorgWarner
When deciding between Garrett and BorgWarner for a Mazda RX-7 turbo upgrade, it’s essential to consider performance metrics such as power output, spool time, and overall efficiency.
Power Output
Both Garrett and BorgWarner offer turbochargers that can exceed 350 horsepower. However, the specific model chosen will dictate the actual power gains. It’s crucial to select a turbo that matches your engine’s potential and tuning setup.
Spool Time
Spool time refers to how quickly a turbocharger can reach its optimal boost pressure. Garrett turbos are often lauded for their quick response times, while BorgWarner models may offer a slight lag but compensate with higher overall efficiency at peak power.
Efficiency
Efficiency is a critical factor when evaluating turbochargers. Garrett turbos typically provide excellent efficiency across a wide power range, whereas BorgWarner turbos excel in high-performance applications, often yielding better results at higher RPMs.
Installation Considerations
Upgrading to a high-performance turbocharger involves several installation considerations. Both Garrett and BorgWarner kits may require additional modifications to the RX-7, including upgraded intercoolers, fuel systems, and exhaust components.
Supporting Modifications
- High-flow fuel injectors
- Upgraded intercooler
- Performance exhaust system
- ECU tuning
Cost Analysis
Cost is always a factor when considering turbo upgrades. Garrett turbos generally range in price depending on the model and features. BorgWarner turbos may also vary but often come with a premium due to their advanced technology.
Budgeting for Your Upgrade
- Turbocharger cost
- Installation labor
- Supporting modifications
- Tuning expenses
Conclusion
Both Garrett and BorgWarner offer exceptional turbocharger options for the Mazda RX-7, capable of achieving over 350 horsepower. The choice ultimately depends on your specific performance goals, budget, and preference for characteristics like spool time and efficiency. Whether you opt for Garrett’s proven reliability or BorgWarner’s advanced technology, upgrading your RX-7’s turbo system can lead to thrilling performance enhancements.