How to Install a Borgwarner Efr 7670 Turbo on Your 350z: Step-by-step Guide

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Installing a BorgWarner EFR 7670 turbo on your Nissan 350Z can significantly enhance its performance. This step-by-step guide will help you through the installation process, ensuring that you can enjoy the benefits of a turbocharged engine.

Tools and Materials Needed

  • BorgWarner EFR 7670 Turbo
  • Turbo manifold
  • Oil feed and return lines
  • Silicone couplers and clamps
  • Intercooler
  • Boost controller
  • Wrenches and sockets
  • Torque wrench
  • Vacuum lines
  • Engine oil
  • Coolant

Preparation

Before starting the installation, make sure your vehicle is parked on a flat surface and the engine is cool. Disconnect the battery to ensure safety during the installation process.

Removing the Stock Components

Begin by removing the stock intake system, exhaust manifold, and any components blocking access to the turbo area. This may include:

  • Removing the air filter and intake piping
  • Disconnecting the exhaust system
  • Removing the heat shield
  • Taking off the stock turbo (if applicable)

Installing the Turbo Manifold

With the stock components removed, it’s time to install the turbo manifold. Follow these steps:

  • Align the turbo manifold with the engine block.
  • Use the appropriate gaskets to prevent leaks.
  • Secure the manifold using the provided bolts and a torque wrench.

Mounting the BorgWarner EFR 7670 Turbo

Once the manifold is secured, mount the BorgWarner EFR 7670 turbo:

  • Position the turbo onto the manifold.
  • Use the correct bolts to secure the turbo to the manifold.
  • Ensure all connections are tight and leak-proof.

Connecting Oil Lines

Proper oil supply and return are crucial for turbo operation. Follow these steps:

  • Install the oil feed line from the engine to the turbo.
  • Attach the oil return line from the turbo back to the oil pan.
  • Check for any leaks before proceeding.

Installing the Intercooler

Next, install the intercooler to cool the air entering the engine:

  • Mount the intercooler in a suitable position in front of the radiator.
  • Connect the silicone couplers to the turbo and the intercooler.
  • Secure all connections with clamps.

Connecting the Boost Controller

The boost controller is essential for managing turbo boost levels:

  • Install the boost controller according to the manufacturer’s instructions.
  • Connect it to the wastegate and the intake manifold.
  • Ensure all lines are secure and leak-free.

Final Checks and Reassembly

Before reassembling the remaining components, perform the following checks:

  • Inspect all connections for leaks.
  • Double-check the tightness of bolts and fittings.
  • Ensure that all electrical connections are secure.

Reassembly

Reassemble any components that were removed during the installation:

  • Reconnect the exhaust system.
  • Reinstall the air intake system.
  • Reattach any heat shields that were removed.

Final Steps

With everything reassembled, reconnect the battery and fill the engine with oil and coolant. Start the engine and let it idle to check for any issues.

Testing the Turbo

Once the engine is running smoothly, it’s time to test the turbo:

  • Take the car for a test drive to ensure proper boost levels.
  • Monitor the engine for any unusual sounds or warning lights.
  • Check the oil and coolant levels after the test drive.

Conclusion

Installing a BorgWarner EFR 7670 turbo on your 350Z can greatly enhance performance. By following this step-by-step guide, you can ensure a successful installation and enjoy the benefits of turbocharging.