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The Dodge Hellcat is renowned for its powerful engine, producing an impressive 717 horsepower. However, for those looking to further enhance their performance, installing a 2.75-inch pulley can increase horsepower to over 800. This article will guide you through the installation process step by step.
Understanding the Benefits of a 2.75-inch Pulley
Before diving into the installation, it’s essential to understand why upgrading to a 2.75-inch pulley is beneficial:
- Increased Boost: A smaller pulley increases the supercharger’s speed, resulting in higher boost levels.
- Enhanced Performance: More boost translates to more power, pushing your Hellcat’s performance to new heights.
- Improved Throttle Response: Drivers often experience a more responsive throttle with a pulley upgrade.
Tools and Materials Needed
Gathering the right tools and materials is crucial for a successful installation. Here’s what you’ll need:
- 2.75-inch pulley kit
- Socket set
- Torque wrench
- Ratchet and extensions
- Impact wrench (optional)
- Pulley removal tool
- Safety glasses
- Gloves
Preparation Steps
Before starting the installation, follow these preparation steps:
- Disconnect the Battery: Always start by disconnecting the negative terminal of the battery to prevent any electrical issues.
- Allow Engine to Cool: Ensure the engine is cool to avoid burns during the installation process.
- Clear Workspace: Make sure you have a clean and organized workspace to avoid losing tools or parts.
Step-by-Step Installation Guide
1. Remove the Factory Pulley
Begin by removing the factory pulley:
- Use the socket set to remove the supercharger belt by loosening the tensioner.
- Once the belt is off, use the pulley removal tool to take off the factory pulley.
- Carefully detach any retaining bolts and remove the pulley from the supercharger shaft.
2. Install the 2.75-inch Pulley
Now it’s time to install the new pulley:
- Align the new 2.75-inch pulley with the supercharger shaft.
- Secure it in place using the retaining bolts, ensuring they are tightened to the manufacturer’s specifications.
- Reinstall the supercharger belt over the new pulley, ensuring it fits snugly.
3. Reconnect the Battery
After the installation, reconnect the battery:
- Attach the negative terminal back to the battery and tighten it securely.
- Double-check that all tools are removed from the engine bay.
Testing the Upgrade
Once the installation is complete, it’s crucial to test the upgrade:
- Start the engine and listen for any unusual sounds.
- Monitor the boost gauge to ensure it’s functioning correctly.
- Take the car for a test drive, paying attention to throttle response and power delivery.
Conclusion
Installing a 2.75-inch pulley on your Hellcat can significantly enhance its performance, pushing horsepower beyond 800. By following the steps outlined above, you can achieve this upgrade safely and effectively. Always remember to prioritize safety and consult a professional if you’re unsure about any part of the process.