Chevy Big Block 396 Mods: How a $1,500 Summit Racing Cam Kit Transformed My Engine

The Chevy Big Block 396 is a legendary engine that has captured the hearts of car enthusiasts for decades. Known for its power and performance, many owners seek ways to enhance its capabilities. One of the most effective modifications is the installation of a camshaft, which can significantly improve engine performance. In this article, I’ll share my experience with a $1,500 Summit Racing Cam Kit that transformed my Big Block 396.

Understanding the Chevy Big Block 396

The Chevy Big Block 396 was introduced in the mid-1960s and quickly became a favorite among muscle car enthusiasts. This engine is known for its robust design and impressive horsepower. However, like any engine, it can benefit from modifications to enhance its performance and efficiency.

Why Upgrade Your Camshaft?

The camshaft plays a crucial role in controlling the timing and duration of the engine’s valve openings. Upgrading to a high-performance camshaft can lead to:

  • Increased horsepower and torque
  • Improved throttle response
  • Enhanced engine sound
  • Better overall performance

Choosing the Right Cam Kit

When selecting a cam kit for the Big Block 396, it’s essential to consider your specific goals. The Summit Racing Cam Kit I chose was designed to maximize performance while maintaining drivability. It included:

  • High-performance camshaft
  • Valve springs
  • Camshaft gear
  • Installation instructions

Installation Process

The installation of the cam kit was a challenging but rewarding process. Here’s a step-by-step overview of how I completed the installation:

  • Gathered necessary tools and materials
  • Removed the old camshaft and valve springs
  • Cleaned the engine components
  • Installed the new camshaft and valve springs
  • Reassembled the engine

Performance Results

After completing the installation, I was eager to test the engine. The results were impressive:

  • Horsepower increased by approximately 50 HP
  • Torque improved significantly across the RPM range
  • Throttle response was noticeably sharper

Sound and Driving Experience

One of the most enjoyable aspects of the new camshaft was the change in engine sound. The aggressive lope at idle added to the muscle car experience. During driving, the engine felt more responsive and powerful, making every acceleration exhilarating.

Considerations and Tips

While upgrading your camshaft can yield fantastic results, there are some considerations to keep in mind:

  • Ensure your engine is in good condition before installation.
  • Consider upgrading other components, such as the intake and exhaust, for optimal performance.
  • Be aware of potential changes in fuel requirements.

Conclusion

Upgrading the camshaft in my Chevy Big Block 396 with a Summit Racing Cam Kit was a game changer. The performance boost, improved sound, and overall driving experience made the investment worthwhile. For anyone looking to enhance their Big Block 396, I highly recommend considering a camshaft upgrade.