Installing a Cobb Stage 1 Turbo Kit on Your Gr86: a Complete Step-by-step Guide

The Toyota GR86 is a remarkable sports car, known for its lightweight design and engaging driving experience. However, for those looking to enhance performance, installing a Cobb Stage 1 Turbo Kit can significantly increase horsepower and torque, transforming your driving experience. This guide will walk you through the entire installation process step-by-step.

Tools and Materials Needed

Before you begin the installation, ensure you have the following tools and materials ready:

  • Socket set
  • Torque wrench
  • Phillips and flathead screwdrivers
  • Wrenches (various sizes)
  • Vacuum line removal tool
  • Heat-resistant gloves
  • Cobb Stage 1 Turbo Kit
  • Installation manual

Preparation Steps

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

  • Park your GR86 on a flat surface and engage the parking brake.
  • Disconnect the negative terminal of the battery to prevent electrical issues.
  • Ensure the engine is cool before starting the installation.

Step 1: Remove the Stock Intake System

To install the turbo kit, you must first remove the stock intake system. This process includes:

  • Loosen and remove the clamps securing the intake tubing.
  • Disconnect any sensors connected to the intake.
  • Remove the intake assembly from the engine bay.

Step 2: Install the Cobb Turbo Kit

With the stock intake system removed, you can now install the Cobb Turbo Kit. Follow these steps closely:

  • Position the turbocharger in the designated area and secure it using the provided hardware.
  • Connect the oil feed and drain lines to the turbo, ensuring no leaks.
  • Install the new intake piping that comes with the kit.
  • Attach any necessary sensors to the new intake system.

Step 3: Upgrade the Fuel System

To support the increased power, upgrading the fuel system is essential. This includes:

  • Replacing the stock fuel injectors with high-flow injectors included in the kit.
  • Installing a new fuel pump if required.
  • Checking all fuel lines for proper connections and leaks.

Step 4: Install the Cobb Accessport

The Cobb Accessport is crucial for tuning your vehicle to work with the new turbo kit. Follow these steps:

  • Connect the Accessport to your vehicle’s OBD-II port.
  • Follow the on-screen instructions to upload the Stage 1 tune.
  • Ensure the tune is properly installed and ready for use.

Step 5: Reassemble the Engine Bay

Once all components are installed, it’s time to reassemble the engine bay:

  • Reconnect the battery terminal.
  • Double-check all connections, clamps, and hoses for security.
  • Reinstall any covers or components removed during the process.

Step 6: Test Drive and Monitor Performance

After completing the installation, it’s essential to test drive your GR86 and monitor its performance. Here’s what to do:

  • Start the engine and listen for any unusual sounds.
  • Check for leaks in the turbo and fuel system.
  • Take the car for a test drive, gradually increasing speed and checking responsiveness.

Conclusion

Installing a Cobb Stage 1 Turbo Kit on your GR86 can dramatically enhance your vehicle’s performance. By following this step-by-step guide, you can ensure a successful installation and enjoy the benefits of increased power and torque. Always remember to consult the installation manual for specific details and safety precautions.