Table of Contents
The Rotrex C38 Supercharger is a popular choice among Subaru WRX STI enthusiasts looking to boost their vehicle’s performance. This article provides a comprehensive installation guide and discusses the potential power increase when using this supercharger.
Understanding the Rotrex C38 Supercharger
The Rotrex C38 is a compact, high-performance supercharger that utilizes a unique gear-driven design. This allows for efficient power delivery and a significant increase in horsepower and torque for your Subaru WRX STI.
Installation Preparation
Before beginning the installation process, it is essential to gather all necessary tools and parts. This will ensure a smooth installation and minimize downtime.
- Rotrex C38 Supercharger kit
- Basic hand tools (wrenches, sockets, etc.)
- Torque wrench
- Vacuum hose and clamps
- Oil for supercharger lubrication
- Coolant for the system
Step-by-Step Installation Guide
Step 1: Remove the Factory Components
Start by disconnecting the battery to ensure safety. Then, remove the factory intake and any other components obstructing access to the engine bay.
Step 2: Mount the Supercharger
Locate the designated mounting bracket for the Rotrex C38. Secure the supercharger in place using the provided hardware, ensuring it is tightly fastened.
Step 3: Connect the Intake and Exhaust
Attach the intake piping to the supercharger. Ensure all connections are secure and use clamps where necessary. Repeat this process for the exhaust side, making sure there are no leaks.
Step 4: Install the Oil Supply Line
Install the oil supply line from the engine to the supercharger. This is crucial for lubrication. Ensure that the line is free of kinks and securely attached.
Step 5: Set Up the Cooling System
Connect the cooling system to the supercharger to prevent overheating. This involves routing coolant hoses and ensuring proper connections.
Step 6: Reassemble and Test
Reinstall any components that were removed during the process. Reconnect the battery and start the engine. Monitor for any leaks or abnormal sounds.
Power Increase Potential
The Rotrex C38 Supercharger can significantly enhance the performance of your Subaru WRX STI. Depending on the supporting modifications and tuning, users can expect:
- Horsepower increase of 50-100 hp
- Torque increase of 40-80 lb-ft
- Improved throttle response
- Enhanced driving experience
Conclusion
Installing a Rotrex C38 Supercharger on your Subaru WRX STI can provide an exhilarating boost in performance. By following this installation guide, you can ensure a successful upgrade that enhances your driving experience.