Step-by-step Guide to Installing a Mopar Stage Iii Cam on Your E-body Challenger

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Installing a Mopar Stage III cam on your E-body Challenger can significantly enhance engine performance. This guide will provide you with a detailed, step-by-step approach to ensure a successful installation.

Tools and Materials Needed

  • Socket set
  • Torque wrench
  • Camshaft installation tool
  • Engine oil
  • New camshaft
  • Timing chain or belt
  • Gaskets
  • Sealant
  • Shop towels

Preparation Steps

Before you begin the installation, it is essential to prepare your workspace and engine. Follow these steps:

  • Ensure the engine is cool and the vehicle is parked on a level surface.
  • Disconnect the battery to prevent any electrical issues.
  • Remove any components obstructing access to the camshaft, such as the intake manifold and valve covers.
  • Clean the engine surfaces thoroughly to prevent contamination.

Removing the Old Camshaft

With the engine prepared, the next step is to remove the old camshaft. Follow these instructions:

  • Remove the timing chain or belt by loosening the tensioner.
  • Take off the old camshaft gear and set it aside.
  • Use the camshaft installation tool to gently pull the old camshaft out of the engine block.
  • Inspect the old camshaft for wear and damage before disposing of it.

Installing the Mopar Stage III Cam

Now that the old camshaft is removed, you can proceed with the installation of the Mopar Stage III cam. Follow these steps:

  • Apply a light coat of engine oil to the new camshaft to ensure proper lubrication upon startup.
  • Carefully slide the new camshaft into the engine block using the installation tool.
  • Align the camshaft with the timing marks on the engine.
  • Reattach the camshaft gear, ensuring it is properly secured.
  • Replace the timing chain or belt, following the manufacturer’s specifications.

Reassembly

After installing the new camshaft, it’s time to reassemble the components you removed earlier. Follow these steps:

  • Install new gaskets on the valve covers and intake manifold.
  • Reattach the intake manifold and torque the bolts to the specified settings.
  • Replace the valve covers, ensuring a proper seal.
  • Reconnect any electrical components and hoses that were removed.

Final Checks and Start-Up

Before starting the engine, perform these final checks to ensure everything is in order:

  • Double-check all connections and ensure there are no loose bolts.
  • Fill the engine with oil and check the level.
  • Reconnect the battery.
  • Start the engine and let it idle for a few minutes, checking for any leaks or unusual noises.

Conclusion

Installing a Mopar Stage III cam on your E-body Challenger can be a rewarding project that enhances your vehicle’s performance. By following this step-by-step guide, you can ensure a successful installation and enjoy the benefits of your upgraded engine.