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The Datsun 240Z is a classic sports car known for its sleek design and impressive performance. However, enthusiasts often seek ways to enhance its power and efficiency. One popular upgrade is the camshaft replacement, specifically installing a Comp Cams Stage 2 camshaft. This upgrade can yield a significant horsepower increase, making your 240Z even more thrilling to drive.
Understanding the Camshaft Upgrade
A camshaft plays a critical role in an engine’s performance by controlling the timing and amount of air and fuel that enters the combustion chamber. Upgrading to a performance camshaft, such as the Comp Cams Stage 2, can enhance the engine’s breathing capabilities, resulting in increased horsepower and torque.
Benefits of the Comp Cams Stage 2 Camshaft
The Comp Cams Stage 2 camshaft is designed specifically for the Datsun 240Z. Here are some of the key benefits of this upgrade:
- Increased Horsepower: Expect a boost of approximately 25 horsepower with this camshaft.
- Improved Torque: Enhanced torque delivery across the power band.
- Better Throttle Response: More immediate and responsive acceleration.
- Enhanced Engine Sound: A more aggressive and sporty engine note.
Preparation for Installation
Before starting the installation, it’s essential to gather the necessary tools and materials. Here’s what you will need:
- Comp Cams Stage 2 camshaft
- Camshaft installation tool
- Torque wrench
- Engine oil
- Gasket set
- Basic hand tools (wrenches, sockets, etc.)
Step-by-Step Installation Guide
Step 1: Prepare the Engine
Begin by disconnecting the battery and removing the necessary components to access the camshaft. This may include:
- Air intake system
- Valve cover
- Timing chain cover
Step 2: Remove the Old Camshaft
Once you have access to the camshaft, carefully remove it by following these steps:
- Mark the position of the timing chain.
- Remove the timing chain.
- Unbolt the camshaft from the engine.
- Carefully slide the old camshaft out of the engine.
Step 3: Install the Comp Cams Stage 2 Camshaft
With the old camshaft removed, it’s time to install the new Comp Cams Stage 2 camshaft:
- Apply a thin layer of engine oil to the new camshaft.
- Carefully slide the new camshaft into position.
- Reattach the timing chain, ensuring it is aligned correctly with the marks.
- Secure the camshaft with the appropriate bolts.
Step 4: Reassemble the Engine
After the camshaft is installed, reassemble the engine by reversing the disassembly steps:
- Replace the timing chain cover with a new gasket.
- Reinstall the valve cover.
- Reconnect the air intake system.
- Reconnect the battery.
Post-Installation Checks
After completing the installation, it’s crucial to perform a few checks before starting the engine:
- Check for any loose bolts or components.
- Ensure the timing is correctly set.
- Verify that oil is circulating properly.
Testing the Upgrade
Once everything is reassembled and checked, it’s time to test your Datsun 240Z:
- Start the engine and listen for any unusual noises.
- Take the car for a test drive to feel the performance difference.
- Monitor engine temperature and oil pressure during the drive.
Conclusion
Upgrading the camshaft in your Datsun 240Z with a Comp Cams Stage 2 camshaft can significantly enhance its performance. With a potential increase of 25 horsepower, this upgrade not only improves acceleration but also adds to the overall driving experience. Follow the steps outlined in this guide for a successful installation and enjoy the newfound power of your classic sports car.