Step-by-step Guide to Installing Nismo Intake and Exhaust on the Vg30dett

by

The Nissan VG30DETT engine is a popular choice among car enthusiasts, particularly for those who appreciate the performance and tuning potential of the Nissan 300ZX. One of the most effective ways to enhance the performance of this engine is by installing a Nismo intake and exhaust system. This guide will provide a detailed, step-by-step approach to help you through the installation process.

Tools and Materials Needed

  • Nismo intake kit
  • Nismo exhaust system
  • Socket set
  • Wrenches
  • Phillips and flathead screwdrivers
  • Torque wrench
  • Jack and jack stands
  • Safety glasses
  • Gloves

Preparation Steps

Before beginning the installation, it’s crucial to prepare your workspace and the vehicle. Follow these steps:

  • Ensure the vehicle is parked on a flat surface.
  • Disconnect the negative battery terminal to prevent any electrical issues.
  • Raise the vehicle using a jack and secure it with jack stands.
  • Gather all tools and materials in your workspace for easy access.

Removing the Stock Intake System

To install the Nismo intake, you first need to remove the stock intake system. Follow these steps:

  • Locate the air intake assembly on the engine.
  • Disconnect the mass airflow sensor (MAF) connector.
  • Loosen the clamps securing the intake tubes and remove them.
  • Remove the air filter box by unbolting it from the engine bay.
  • Take out the factory air filter.

Installing the Nismo Intake

Now that the stock intake is removed, you can proceed with the installation of the Nismo intake:

  • Place the new Nismo air filter in the air filter box.
  • Reattach the air filter box to the engine bay using bolts.
  • Connect the intake tubes, ensuring the clamps are tightened securely.
  • Reconnect the MAF sensor connector.
  • Check for any loose connections or parts before moving on.

Removing the Stock Exhaust System

With the intake installed, you can now remove the stock exhaust system:

  • Locate the exhaust system under the vehicle.
  • Remove the bolts connecting the exhaust pipes to the catalytic converter.
  • Unbolt the hangers supporting the exhaust system.
  • Carefully slide the exhaust system out from under the vehicle.

Installing the Nismo Exhaust System

Once the stock exhaust is removed, follow these steps to install the Nismo exhaust system:

  • Position the Nismo exhaust system under the vehicle.
  • Attach the exhaust pipes to the catalytic converter using the provided bolts.
  • Secure the hangers to the vehicle to support the exhaust system.
  • Ensure all connections are tight and secure.

Final Checks and Reconnecting the Battery

After both the intake and exhaust systems are installed, it’s important to perform final checks:

  • Inspect all connections for tightness and leaks.
  • Double-check that no tools or materials are left in the engine bay.
  • Reconnect the negative battery terminal.
  • Start the engine and listen for any unusual noises.
  • Take the vehicle for a short test drive to ensure everything is functioning properly.

Conclusion

Installing a Nismo intake and exhaust system on the VG30DETT can significantly enhance the engine’s performance and sound. By following this step-by-step guide, you can achieve a successful installation and enjoy the benefits of improved horsepower and torque. Always remember to follow safety precautions and consult a professional if you encounter any difficulties during the process.