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The Subaru WRX is a popular choice for enthusiasts looking to build a track-ready vehicle. One of the most crucial upgrades for enhancing performance is the clutch system. Upgrading to a Stage 3 clutch can significantly improve power transfer to the wheels, making it an essential modification for track use.
Understanding Stage 3 Clutch Upgrades
A Stage 3 clutch is designed for high-performance applications. It can handle increased horsepower and torque, making it suitable for modified engines. This upgrade typically features a stronger pressure plate and a performance friction disc, allowing for quicker shifts and better durability under extreme conditions.
Key Components of a Stage 3 Clutch Upgrade
- Clutch Disc: A high-friction material that provides better grip.
- Pressure Plate: Increased clamping force to hold the clutch disc securely.
- Release Bearing: Ensures smooth disengagement of the clutch.
- Flywheel: Lightweight options can improve engine response.
Parts Required for the Upgrade
When upgrading to a Stage 3 clutch, having the right parts is essential for a successful installation. Below is a list of necessary components:
- Stage 3 Clutch Kit: Includes clutch disc, pressure plate, and release bearing.
- Lightweight Flywheel: Optional but recommended for improved performance.
- Clutch Alignment Tool: Helps in proper alignment during installation.
- Transmission Fluid: Necessary for re-filling after installation.
- Clutch Fork: Inspect for wear and replace if necessary.
Costs Associated with the Upgrade
The cost of upgrading to a Stage 3 clutch can vary based on the brand and components chosen. Here’s a breakdown of typical expenses:
- Stage 3 Clutch Kit: $500 – $1,200
- Lightweight Flywheel: $300 – $800
- Labor Costs: $300 – $600 (if professionally installed)
- Miscellaneous Parts: $50 – $150 (fluid, tools, etc.)
Installation Process
Installing a Stage 3 clutch requires mechanical knowledge and appropriate tools. Below are the general steps involved:
- Preparation: Gather tools and parts, and ensure you have a clean workspace.
- Remove the Transmission: Disconnect the battery, drive shafts, and other components to access the transmission.
- Replace the Clutch: Remove the old clutch and install the new Stage 3 clutch kit.
- Reinstall the Transmission: Carefully align and reconnect the transmission to the engine.
- Final Checks: Refill transmission fluid and ensure all connections are secure.
Post-Installation Considerations
After installing a Stage 3 clutch, it’s essential to consider the following:
- Break-in Period: Follow the manufacturer’s recommendations for proper break-in to ensure longevity.
- Driving Style: Adapt your driving style, as a Stage 3 clutch can feel different than stock.
- Regular Inspections: Check for any signs of wear or issues after the first few drives.
Conclusion
Upgrading to a Stage 3 clutch is a significant step toward building a track-ready Subaru WRX. With the right parts, careful installation, and attention to post-installation care, you can enhance your vehicle’s performance and enjoy a more exhilarating driving experience on the track.