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Upgrading the turbocharger on your Mitsubishi Lancer Evolution 9 (Evo 9) can lead to significant power gains and improved performance. The Precision 5857 turbo is a popular choice among enthusiasts looking to enhance their vehicle’s capabilities. This guide will walk you through the steps needed to install a Precision 5857 turbo on your Evo 9.
Tools and Materials Needed
- Precision 5857 Turbocharger
- Turbo install kit (gaskets, bolts, etc.)
- Basic hand tools (wrenches, sockets, etc.)
- Torque wrench
- Oil catch can (optional)
- Boost gauge (optional)
- ECU tuning software
- Safety glasses and gloves
Preparation Steps
Before starting the installation, it is essential to prepare your workspace and gather all necessary tools and materials. Follow these steps:
- Ensure your vehicle is parked on a flat surface and the engine is cool.
- Disconnect the negative battery terminal to prevent electrical issues.
- Remove any components obstructing access to the turbo, such as the intake and exhaust manifold.
Removing the Stock Turbo
To install the Precision 5857, you first need to remove the stock turbocharger. Here’s how:
- Remove the heat shield from the stock turbo.
- Disconnect the oil feed and return lines from the stock turbo.
- Unbolt the turbo from the exhaust manifold and remove it from the vehicle.
Installing the Precision 5857 Turbo
Now that the stock turbo is removed, you can proceed with the installation of the Precision 5857:
- Place the new turbo onto the exhaust manifold and align it with the mounting holes.
- Secure the turbo using the provided bolts, ensuring they are torqued to the manufacturer’s specifications.
- Reconnect the oil feed and return lines, making sure there are no leaks.
- Install any necessary adapters for the inlet and outlet pipes.
Connecting the Intake and Exhaust
After the turbo is mounted, you will need to connect the intake and exhaust systems:
- Attach the intake pipe to the turbocharger, ensuring a secure fit.
- Connect the exhaust downpipe to the turbo, making sure it is properly sealed.
- Reinstall any heat shields or covers that were removed during the process.
Updating the ECU
With the new turbo installed, it is crucial to update your vehicle’s ECU to handle the increased airflow and boost levels:
- Connect your ECU tuning software to the vehicle.
- Adjust the fuel maps and boost levels according to the specifications for the Precision 5857.
- Upload the new tune to the ECU and ensure all settings are correct.
Final Checks and Testing
Once everything is installed and the ECU is updated, perform the following final checks:
- Check for any oil or coolant leaks around the turbo and lines.
- Ensure all connections are tight and secure.
- Start the engine and let it idle, monitoring the boost gauge for proper readings.
- Take the vehicle for a test drive, paying attention to performance and any unusual sounds.
Conclusion
Installing a Precision 5857 turbo on your Evo 9 can provide significant power gains and enhance your driving experience. By following this guide, you can ensure a successful installation and enjoy the benefits of your upgraded turbocharger. Always remember to monitor your vehicle’s performance and make adjustments as needed for optimal results.