How to Install Mopar Performance 340 Intake Manifold: a Complete Step-by-step Guide

The Mopar Performance 340 Intake Manifold is an essential upgrade for enhancing the performance of your classic muscle car. This guide provides a detailed, step-by-step process for installing the manifold, ensuring you get the most out of your engine.

Tools and Materials Needed

Before starting the installation, gather the following tools and materials:

  • Socket set
  • Torque wrench
  • Gasket scraper
  • New intake manifold gasket
  • Engine oil
  • Rags for cleanup
  • Safety glasses
  • Gloves

Preparation Steps

Follow these preparation steps to ensure a smooth installation process:

  • Ensure the engine is cool to avoid burns.
  • Disconnect the battery to prevent electrical issues.
  • Remove any components obstructing access to the intake manifold.
  • Label hoses and wires for easy reassembly.

Removing the Old Intake Manifold

To remove the old intake manifold, follow these steps:

  • Remove the existing intake manifold bolts using a socket wrench.
  • Carefully lift the manifold off the engine.
  • Inspect the old gasket and clean the surface thoroughly with a gasket scraper.
  • Ensure no debris falls into the engine during removal.

Installing the New Mopar Performance 340 Intake Manifold

Now, it’s time to install the new manifold. Follow these steps:

  • Apply a thin layer of engine oil to the new gasket to ensure a good seal.
  • Position the new intake manifold over the engine, aligning it with the dowel pins.
  • Install the intake manifold bolts by hand to avoid cross-threading.
  • Using a torque wrench, tighten the bolts to the manufacturer’s specifications.

Reconnecting Components

After installing the manifold, reconnect all previously removed components:

  • Reconnect hoses and wires, using the labels for guidance.
  • Install the throttle body and any other accessories removed during disassembly.
  • Double-check all connections to ensure they are secure.

Final Steps

Complete the installation process with these final steps:

  • Reconnect the battery.
  • Start the engine and check for leaks around the manifold.
  • Allow the engine to reach operating temperature, then check for any irregular sounds.
  • Take the vehicle for a test drive to ensure everything is functioning properly.

Conclusion

Installing the Mopar Performance 340 Intake Manifold can significantly enhance your vehicle’s performance. By following this step-by-step guide, you can ensure a successful installation and enjoy the benefits of improved engine efficiency.