What’s the Best Approach to Installing a Turbo Timer in a Mitsubishi Lancer Evolution?

As car enthusiasts, you know that caring for your vehicle goes beyond regular maintenance and oil changes. It’s about optimizing performance and ensuring longevity. It’s about giving your car the best tools and equipment it needs to run smoothly and efficiently. In the case of a turbocharged vehicle like the Mitsubishi Lancer Evolution, one such tool is a turbo timer. The turbo timer is a device designed to keep an engine running for a predetermined period after the ignition has been turned off, allowing the turbo and engine to cool down gradually. This article will guide you on the best approach to installing a turbo timer in your Mitsubishi Lancer Evolution, providing you with step-by-step instructions and professional advice.

Understanding the Importance of a Turbo Timer

Before diving into the specifics of the installation process, it’s important to understand why a turbo timer is crucial for your Mitsubishi Lancer Evolution. This Japanese-made beast is known for its turbocharged engine, which gives it an edge in power and speed. However, this turbo feature also means that it requires special care.

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A turbo timer is a simple accessory that can make a huge difference in the lifespan of your car’s engine. Turbo timers are designed to allow the engine to cool down after a drive, preventing oil coking in the turbocharger’s center housing. Without a turbo timer, the turbo can become damaged due to the high temperature of the exhaust gases.

So, it’s clear that a turbo timer is a must-have for any turbocharged vehicle owner, especially if you drive a Mitsubishi Lancer Evolution. Now, let’s get down to business and discuss how to install one.

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Selecting the Right Turbo Timer and Harness

When it comes to selecting a turbo timer, we recommend going for an HKS turbo timer. HKS is a renowned Japanese brand that is known for its superior quality and durability. It also comes with a harness, making the installation process a whole lot easier.

Speaking of a harness, a turbo timer harness is a necessary component for the installation process. It connects the turbo timer to your car’s ignition. The right harness will ensure a quick and easy installation, cutting out the need for any wire splicing.

For your Mitsubishi Lancer Evolution, we suggest you to use the HKS Turbo Timer Harness MT-6. It is specifically designed for Mitsubishi and is compatible with various models, including the Lancer Evo.

Preparing for Installation

Before you begin, make sure you have all the necessary tools at hand. You’ll need a Phillips-head screwdriver, wire strippers, quick splice connectors, and a crimping tool. Ensure you’ve parked your car in a safe and well-lit area where you’ll have plenty of room to work.

Remember, safety is paramount. Disconnect the car battery before starting to prevent any electrical mishaps.

Installing the Turbo Timer

The first step is to remove the lower cover of the steering wheel using your screwdriver to access the ignition harness. Once the cover is removed, locate the ignition harness. It’s usually located next to the ignition barrel.

Next, connect the HKS harness to the ignition harness. The HKS harness is designed to fit perfectly, so you shouldn’t have any difficulties here. Then, connect the other end of the HKS harness to the turbo timer. Ensure all connections are secure.

Now, decide where you want to mount the turbo timer. Most people prefer to mount it on the dashboard for easy access and visibility. Once you’ve decided on a location, use double-sided tape or screws to secure the turbo timer in place.

Finally, reconnect the battery and start the car. If the turbo timer is installed correctly, the engine should continue to run even if you remove the keys from the ignition.

Testing and Maintenance

Once the installation is done, it’s important to test the turbo timer to ensure it’s working properly. Start your car and drive it for a while to heat up the engine, then park and turn off the car. If the turbo timer is correctly installed, the engine should continue to run for the duration set on the timer.

Over time, make sure to keep an eye on your turbo timer and ensure it’s functioning as it should. Regularly check the connections and the harness for any signs of wear and tear.

In conclusion, installing a turbo timer in your Mitsubishi Lancer Evolution can significantly increase the lifespan of your engine by allowing it to cool down properly. Although the installation might seem complicated, with the right preparation and the proper tools, the process can be quite straightforward.

Advantages of a Turbo Timer in Various Vehicles

Integrating a turbo timer in a performance vehicle is an investment that safeguards the health of your turbocharged engine, ensuring that it performs optimally for a long time. While this article focuses on the Mitsubishi Lancer Evolution, a turbo timer is equally beneficial for various other vehicles with turbocharged engines.

Different vehicles like the Toyota Cresta, Subaru Legacy, Nissan Skyline, Daihatsu Mira, Daihatsu Move, Subaru Forester, and even the Suzuki Wagon can all benefit from a turbo timer. Additionally, cars like the Toyota Supra renowned for their high-performance capabilities will also find an HKS turbo timer advantageous.

Remember, the turbo timer isn’t exclusive to Mitsubishi Lancer Evolution; it’s a universal tool beneficial for any turbocharged vehicle. The process of installing a turbo timer also remains relatively the same across different vehicle models. However, it’s crucial to ensure you get the correct timer harness suited for your vehicle. For instance, a Harness Toyota is ideal for a Toyota Supra, while a Harness Subaru is perfect for a Subaru Forester.

Even though the installation process is quite straightforward, always consult with your vehicle’s manual or a professional mechanic if you are uncertain about anything. This way, you guarantee a successful installation while maintaining the safety and integrity of your vehicle’s electrical systems.


In conclusion, a turbo timer is an excellent addition to any turbocharged vehicle, whether a Mitsubishi Lancer Evolution or a Nissan Skyline. By allowing the engine to idle and cool down after shutting down the ignition, it prevents oil coking in the turbocharger’s center housing. An HKS turbo timer, coupled with a suitable harness like the HKS Turbo Timer Harness MT-6 for the Lancer Evo, is a recommended choice due to its quality, reliability, and ease of installation.

Remember, while the process is straightforward, always disconnect your battery before starting, use the right tools, and ensure all connections are secure. Once installed, regularly check your turbo timer for any signs of wear or malfunction.

While the turbo timer might seem like a small accessory, it significantly impacts the longevity and performance of your vehicle. So, go ahead and invest in one, and give your car the care it deserves.

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