Pontiac 455 Engine Mods Installation: Installing a Ram Air Iii Cam for Improved Power

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The Pontiac 455 engine is a powerhouse known for its torque and performance. Upgrading components like the camshaft can significantly enhance its capabilities. One popular modification is the installation of the Ram Air III camshaft, which can improve power and efficiency.

Understanding the Ram Air III Camshaft

The Ram Air III camshaft is designed specifically for Pontiac engines. It offers a balance between performance and drivability, making it a great choice for enthusiasts looking to boost their Pontiac 455’s performance.

  • Increased horsepower and torque
  • Improved throttle response
  • Enhanced engine sound

Tools and Materials Needed

Before starting the installation, gather the necessary tools and materials to ensure a smooth process. Here’s what you’ll need:

  • Ram Air III camshaft
  • Torque wrench
  • Socket set
  • Engine oil
  • Assembly lube
  • Timing chain and gears (if necessary)
  • Gasket set

Preparation Steps

Proper preparation is crucial for a successful camshaft installation. Follow these steps to get ready:

  • Disconnect the battery to ensure safety.
  • Remove the intake manifold and valve covers.
  • Drain the engine oil to prevent spills.
  • Remove the timing chain cover if necessary.

Removing the Old Camshaft

Once your engine is prepared, you can proceed to remove the old camshaft:

  • Remove the timing chain and gears.
  • Take out the old camshaft by carefully sliding it out of the engine block.
  • Inspect the old cam for wear and damage.

Installing the Ram Air III Camshaft

With the old camshaft removed, it’s time to install the new Ram Air III camshaft:

  • Apply assembly lube to the new camshaft.
  • Carefully slide the Ram Air III camshaft into the engine block.
  • Align the camshaft with the timing chain gears.
  • Reinstall the timing chain and gears, ensuring proper alignment.

Reassembling the Engine

After installing the camshaft, you’ll need to reassemble the engine:

  • Replace the timing chain cover and torque to specifications.
  • Install new gaskets on the intake manifold and valve covers.
  • Reattach the intake manifold and valve covers.
  • Fill the engine with fresh oil.
  • Reconnect the battery.

Tuning the Engine

After installation, tuning is essential to maximize performance:

  • Adjust the ignition timing to match the new cam profile.
  • Consider upgrading the carburetor for better fuel delivery.
  • Test drive the vehicle to ensure proper performance and make further adjustments if necessary.

Conclusion

Installing a Ram Air III camshaft in a Pontiac 455 engine can significantly enhance its performance. By following the steps outlined above and ensuring proper tuning, you can enjoy improved power and efficiency from your engine.

Always remember to consult with a professional if you are unsure about any steps in the installation process. Happy driving!