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The Honda S2000 AP2 is a beloved sports car known for its high-revving engine and exceptional handling. However, many enthusiasts seek to enhance its performance further. This article explores how to achieve over 300 horsepower with a turbo build using the Garrett GT30 turbocharger and supporting modifications.
Understanding the S2000 AP2 Platform
The S2000 AP2 was produced from 2004 to 2009 and features a 2.2-liter F20C engine. This engine is renowned for its high redline and naturally aspirated performance. However, with the right modifications, it can also accommodate forced induction.
Choosing the Right Turbocharger
The Garrett GT30 turbocharger is a popular choice among S2000 enthusiasts. It offers a good balance of spool time and power output, making it suitable for street and track applications.
Benefits of the Garrett GT30
Some key benefits of using the Garrett GT30 include:
- Excellent power potential, capable of supporting over 500 horsepower.
- Quick spool time, providing immediate throttle response.
- Durability and reliability, thanks to high-quality construction.
Supporting Modifications
To achieve 300+ horsepower, several supporting modifications are necessary. These upgrades ensure the engine can handle the increased power and maintain reliability.
Fuel System Upgrades
A robust fuel system is essential for any turbo build. Consider the following upgrades:
- Upgraded fuel injectors (e.g., 650cc or larger).
- High-flow fuel pump to ensure adequate fuel delivery.
- Adjustable fuel pressure regulator for fine-tuning fuel pressure.
Engine Management
Proper engine management is crucial for optimizing performance and reliability. Options include:
- Standalone ECU for full control over engine parameters.
- Tuning software to adjust fuel maps and ignition timing.
- Wideband O2 sensor for accurate air-fuel ratio monitoring.
Exhaust System
A free-flowing exhaust system is vital for reducing backpressure. Recommended upgrades include:
- High-performance turbo-back exhaust system.
- Upgraded downpipe to improve turbo response.
- High-flow catalytic converter or test pipe.
Intercooler and Piping
To maintain optimal intake temperatures, an upgraded intercooler and piping are essential:
- Front-mount intercooler for improved cooling efficiency.
- Silicone couplers and aluminum piping for durability.
- Intercooler piping designed for minimal restrictions.
Installation Process
Installing a turbo kit on an S2000 requires mechanical skill and attention to detail. Here’s a general overview of the installation process:
- Remove the factory intake and exhaust components.
- Install the turbocharger and associated hardware.
- Connect the intercooler and piping.
- Upgrade the fuel system components.
- Install the engine management system.
Tuning for Performance
After installation, proper tuning is crucial to ensure the engine runs smoothly and safely. A professional tuner will help you achieve the desired power output while maintaining reliability.
Conclusion
Building a turbocharged S2000 AP2 with the Garrett GT30 can yield impressive results, exceeding 300 horsepower. By investing in the right supporting modifications and ensuring proper installation and tuning, enthusiasts can enjoy a thrilling driving experience with enhanced performance.