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The 6.4 HEMI engine is known for its impressive power output and performance capabilities. However, for enthusiasts looking to push the limits even further, camshaft upgrades can provide significant enhancements. In this article, we will explore the best camshaft upgrades for the 6.4 HEMI, focusing on how to increase power from 470 to over 550 horsepower using COMP Cams.
Understanding Camshaft Upgrades
Camshaft upgrades play a crucial role in improving engine performance. The camshaft controls the timing and duration of the valve openings, which directly affects the engine’s airflow and power output. By selecting the right camshaft, you can optimize your engine for better performance, efficiency, and responsiveness.
Benefits of Upgrading the Camshaft
Upgrading the camshaft in your 6.4 HEMI engine can lead to several benefits, including:
- Increased Horsepower: A performance camshaft can significantly boost horsepower, often exceeding 550 hp with the right supporting modifications.
- Improved Torque: Enhanced torque delivery, especially in the mid-range RPMs, can provide a more enjoyable driving experience.
- Better Throttle Response: A performance camshaft can improve throttle response, making the engine feel more responsive to driver inputs.
- Enhanced Engine Sound: Upgrading the camshaft can give your engine a more aggressive sound, enhancing the overall driving experience.
Choosing the Right Camshaft
When selecting a camshaft for your 6.4 HEMI, consider the following factors:
- Lift and Duration: These specifications determine how much air can enter the engine. Higher lift and longer duration often lead to increased power.
- RPM Range: Choose a camshaft that matches your desired RPM range for optimal performance.
- Driveability: Some camshafts may sacrifice driveability for power. Consider how you plan to use your vehicle.
- Supporting Modifications: Ensure that your engine modifications, such as headers and intake systems, are compatible with the camshaft upgrade.
Top COMP Cams for the 6.4 HEMI
COMP Cams offers a variety of camshaft options tailored for the 6.4 HEMI. Here are some of the top choices:
- COMP Cams Xtreme Energy 274: This camshaft provides a great balance of power and driveability, making it an excellent choice for daily drivers.
- COMP Cams Xtreme Energy 292: For those looking for maximum power, the 292 offers aggressive lift and duration, ideal for racing applications.
- COMP Cams Stage 2 HEMI: This camshaft is designed for street performance, providing a noticeable increase in horsepower and torque.
- COMP Cams Stage 3 HEMI: This is the go-to choice for serious performance enthusiasts, pushing horsepower well beyond 550 hp.
Installation Considerations
Installing a new camshaft requires careful consideration and planning. Here are some important installation tips:
- Professional Help: If you are not experienced in engine work, consider hiring a professional mechanic for the installation.
- Proper Timing: Ensure that the camshaft is installed correctly with proper timing alignment to avoid engine damage.
- Supporting Mods: Install supporting modifications such as upgraded springs, pushrods, and a tuned ECU to maximize performance.
- Break-In Procedure: Follow a proper break-in procedure after installation to ensure longevity and performance of the new camshaft.
Conclusion
Upgrading the camshaft in your 6.4 HEMI can unlock significant power gains and enhance your driving experience. With options from COMP Cams, you can choose the right camshaft to meet your performance goals. Remember to consider your driving style, supporting modifications, and installation process to achieve optimal results. Whether you are looking for daily drivability or maximum horsepower, a camshaft upgrade is a worthwhile investment for any HEMI enthusiast.