Toyota Gr86 Turbo Kit Install: Step-by-step Guide to Achieve 250hp from 205hp

The Toyota GR86 is a remarkable sports car known for its lightweight design and agile handling. However, many enthusiasts seek to enhance its performance further. One popular modification is the installation of a turbo kit, which can significantly increase horsepower. This guide will walk you through the step-by-step process of installing a turbo kit to achieve 250hp from the stock 205hp.

Understanding the Basics of Turbocharging

Before diving into the installation process, it’s essential to understand what turbocharging entails. A turbocharger uses exhaust gases to spin a turbine, compressing intake air and allowing for more fuel to be burned, resulting in increased power output.

What You Will Need

  • Toyota GR86 with a 2.4L engine
  • Turbo kit specific to the GR86
  • Basic hand tools (sockets, wrenches, screwdrivers)
  • Torque wrench
  • Oil catch can (optional but recommended)
  • Boost gauge
  • Intercooler (if not included in the kit)
  • Cooling system tools
  • Safety gear (gloves, goggles)

Preparation Steps

Before starting the installation, ensure you have a clean workspace. Gather all tools and parts. It’s also advisable to read through the turbo kit manual thoroughly to familiarize yourself with the components and installation procedures.

Step-by-Step Installation Guide

Step 1: Disconnect the Battery

To ensure safety, disconnect the negative terminal of the battery before starting any work on the vehicle.

Step 2: Remove the Stock Intake and Exhaust

Begin by removing the stock intake system and exhaust manifold. This step typically involves unbolting various components and disconnecting sensors. Keep track of all screws and parts for reinstallation.

Step 3: Install the Turbo Manifold

Once the stock exhaust manifold is removed, install the new turbo manifold. Ensure that all gaskets are in place to prevent leaks. Torque the bolts to the manufacturer’s specifications.

Step 4: Attach the Turbocharger

Mount the turbocharger onto the manifold. Make sure that the oil feed and return lines are connected properly to ensure adequate lubrication for the turbo.

Step 5: Install the Intercooler

If your kit includes an intercooler, install it according to the manufacturer’s instructions. This component is vital for cooling the compressed air before it enters the engine.

Step 6: Connect the Intake and Exhaust

Reconnect the intake piping from the turbo to the throttle body, ensuring all clamps are tight. Reinstall the exhaust system, making sure there are no leaks.

Step 7: Install the Boost Gauge

To monitor the boost levels, install a boost gauge. This step may involve running a vacuum line from the intake manifold to the gauge.

Step 8: Reconnect the Battery

After ensuring everything is properly installed, reconnect the negative terminal of the battery. Double-check all connections and fittings.

Step 9: Start the Engine

Start the engine and listen for any unusual sounds. Check for leaks in the intake and exhaust systems. Allow the engine to idle for a few minutes, monitoring the boost gauge.

Step 10: Tune the Engine

To achieve optimal performance, it’s essential to tune the engine for the new turbo setup. Consider using an ECU tuning service or a standalone engine management system to ensure the air-fuel mixture is appropriate for the increased boost.

Post-Installation Considerations

After the installation, it’s crucial to monitor the vehicle’s performance. Regularly check the oil levels, boost pressure, and any signs of wear or leaks. Additionally, keep an eye on the temperature gauge to prevent overheating.

Conclusion

Installing a turbo kit on your Toyota GR86 can be a rewarding project that enhances your driving experience. By following this step-by-step guide, you can successfully increase your vehicle’s horsepower from 205hp to an impressive 250hp. Always remember to prioritize safety and proper tuning to enjoy the full benefits of your new turbocharger.