The Complete Guide to Installing a Mopar Performance Dual-plane Intake on a 440 Magnum

by

Installing a Mopar Performance dual-plane intake on a 440 Magnum can significantly enhance the engine’s performance. This guide will walk you through the necessary steps to successfully complete this installation.

Tools and Materials Needed

  • Mopar Performance dual-plane intake manifold
  • Intake manifold gasket set
  • Torque wrench
  • Socket set
  • Ratchet
  • Engine oil
  • Rags for cleaning
  • Safety goggles
  • Gloves

Preparation Steps

Before you begin the installation process, it is crucial to prepare your workspace and the engine.

  • Ensure the engine is cool to the touch.
  • Disconnect the battery to prevent any electrical issues.
  • Remove any accessories that obstruct access to the intake manifold.
  • Clean the surface of the existing manifold and engine block thoroughly.

Removing the Old Intake Manifold

Follow these steps to remove the old intake manifold:

  • Unscrew and remove the air cleaner and carburetor.
  • Detach the throttle linkage and any vacuum lines.
  • Remove the bolts securing the old intake manifold.
  • Carefully lift the old manifold off the engine block.

Installing the New Dual-Plane Intake

Once the old intake is removed, you can install the new Mopar Performance dual-plane intake:

  • Place the new intake manifold gasket onto the engine block.
  • Carefully position the new intake manifold onto the gasket.
  • Insert and hand-tighten the bolts to secure the manifold in place.
  • Use a torque wrench to tighten the bolts to the manufacturer’s specifications.

Reconnecting Components

After securing the new intake manifold, reconnect all previously removed components:

  • Reattach the throttle linkage and vacuum lines.
  • Install the carburetor onto the new manifold.
  • Reconnect the air cleaner.
  • Double-check all connections for tightness and security.

Final Steps

To complete the installation, follow these final steps:

  • Reconnect the battery.
  • Start the engine and let it idle for a few minutes.
  • Check for any leaks or unusual noises.
  • Take the vehicle for a test drive to ensure proper performance.

Troubleshooting Common Issues

During or after installation, you may encounter some common issues:

  • Vacuum leaks can cause poor performance; ensure all lines are connected properly.
  • Check for fuel leaks at the carburetor; tighten connections if necessary.
  • If the engine runs poorly, verify that the intake is seated correctly on the gasket.

Conclusion

Installing a Mopar Performance dual-plane intake on a 440 Magnum is a rewarding project that can yield significant performance benefits. By following this guide, you can ensure a successful installation and enjoy the enhanced power of your engine.