Turbo Upgrade Guide: Upgrading from Ct26 to Borgwarner Efr 7163 on Rb25det

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Upgrading your turbocharger can significantly enhance the performance of your RB25DET engine. This guide provides a comprehensive overview of the process of upgrading from the stock CT26 turbo to the BorgWarner EFR 7163 turbocharger.

Why Upgrade to BorgWarner EFR 7163?

The BorgWarner EFR 7163 turbocharger is known for its efficiency, responsiveness, and robust performance. Here are some reasons why you might consider this upgrade:

  • Increased Power Output: The EFR 7163 can support significantly higher horsepower levels compared to the CT26.
  • Better Boost Response: The advanced design provides quicker spool times, enhancing throttle response.
  • Integrated Wastegate: The EFR series features a built-in wastegate, simplifying installation and tuning.
  • Lightweight Construction: The use of modern materials reduces overall weight, improving handling and performance.

Required Parts and Tools

Before starting the upgrade, ensure you have all necessary parts and tools. Below is a list of what you will need:

  • BorgWarner EFR 7163 Turbocharger
  • Turbocharger Gasket Set
  • Oil and Water Lines
  • Custom Exhaust Manifold or Adapter
  • ECU Tuning Software
  • Basic Hand Tools: Wrenches, sockets, screwdrivers, etc.
  • Torque Wrench
  • Boost Gauge

Step-by-Step Installation Process

1. Preparation

Before beginning the installation, ensure your vehicle is parked on a flat surface and the engine is cool. Disconnect the battery to avoid any electrical issues.

2. Remove the CT26 Turbo

Follow these steps to remove the existing CT26 turbo:

  • Disconnect the intake and exhaust piping from the turbo.
  • Remove the oil and water lines connected to the CT26.
  • Unbolt the turbo from the exhaust manifold.
  • Carefully lift the turbo out of the engine bay.

3. Prepare for the EFR 7163 Installation

Before installing the new turbo, ensure that the mounting surface is clean and free of debris. Install the new gasket on the exhaust manifold.

4. Install the BorgWarner EFR 7163

Now, it’s time to install the new turbo:

  • Align the EFR 7163 with the mounting bolts and gently lower it into place.
  • Secure the turbo using the appropriate bolts and torque them to the manufacturer’s specifications.
  • Reconnect the oil and water lines, ensuring they are properly sealed.
  • Attach the intake and exhaust piping to the new turbo.

5. ECU Tuning

After installation, it is crucial to tune your ECU to accommodate the new turbo. Use appropriate tuning software to adjust fuel maps and boost levels for optimal performance.

Testing and Troubleshooting

Once the installation is complete, it’s time to test your setup:

  • Reconnect the battery and start the engine.
  • Check for any leaks in the oil and water lines.
  • Monitor boost levels with a gauge to ensure they are within the desired range.
  • If you experience any issues, revisit the installation steps to troubleshoot.

Conclusion

Upgrading from the CT26 to the BorgWarner EFR 7163 turbocharger can unlock significant performance gains for your RB25DET. With careful installation and tuning, you can enjoy the benefits of improved power and responsiveness.