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The GR Corolla has taken the automotive world by storm, offering a perfect blend of performance and style. For those looking to enhance their driving experience, upgrading to a turbo system can significantly boost power. This guide will walk you through the process of upgrading your GR Corolla from stock to 300 WHP using HKS components.
Understanding the HKS Turbo System
The HKS turbo system is renowned for its reliability and performance. It allows for significant power gains while maintaining the integrity of the engine. Before starting the installation, it’s essential to familiarize yourself with the components involved.
- HKS Turbocharger
- HKS Intercooler Kit
- HKS Exhaust System
- HKS Fuel Injectors
- HKS Engine Management System
Preparation for Installation
Before diving into the installation, gather all necessary tools and components. Proper preparation can save time and ensure a smoother process.
- Socket set
- Wrenches
- Screwdrivers
- Torque wrench
- Oil catch pan
- Safety goggles and gloves
Step-by-Step Installation Process
Step 1: Remove the Stock Turbo
Start by disconnecting the battery to ensure safety. Remove the stock turbo by following these steps:
- Remove the intake piping and air filter.
- Disconnect the oil lines and coolant lines from the stock turbo.
- Unbolt the turbo from the exhaust manifold.
- Carefully lift the turbo out of the engine bay.
Step 2: Install the HKS Turbocharger
With the stock turbo removed, it’s time to install the HKS turbocharger. Follow these steps:
- Position the HKS turbo in place, aligning it with the exhaust manifold.
- Secure the turbo with bolts, ensuring they are torqued to specifications.
- Reconnect the oil and coolant lines to the new turbo.
Step 3: Install the HKS Intercooler
The intercooler plays a vital role in cooling the intake air. To install the HKS intercooler:
- Remove the front bumper to access the intercooler mounting points.
- Position the HKS intercooler in place and secure it with brackets.
- Connect the piping from the turbo to the intercooler.
Step 4: Upgrade the Exhaust System
A performance exhaust system enhances turbo efficiency. To install the HKS exhaust system:
- Unbolt the stock exhaust system from the downpipe.
- Install the HKS downpipe and connect it to the turbo.
- Secure the rest of the exhaust components, ensuring proper alignment.
Step 5: Install HKS Fuel Injectors
Upgrading fuel injectors is crucial for handling the increased power. Follow these steps:
- Remove the engine cover and intake manifold to access the fuel rail.
- Disconnect the old fuel injectors and replace them with HKS injectors.
- Reassemble the intake manifold and engine cover.
Step 6: Engine Management System Setup
The HKS engine management system is essential for tuning the vehicle to achieve optimal performance. To set it up:
- Connect the HKS ECU to the vehicle’s wiring harness.
- Follow the manufacturer’s instructions for tuning the system.
- Ensure all sensors are functioning correctly.
Final Checks and Testing
After completing the installation, perform the following checks:
- Inspect all connections for leaks.
- Double-check torque specifications on all components.
- Reconnect the battery and start the engine.
- Monitor gauge readings for any abnormalities.
Conclusion
Upgrading your GR Corolla to 300 WHP with HKS components is a rewarding project that enhances performance and driving enjoyment. With careful installation and tuning, you can enjoy the benefits of a turbocharged engine that delivers exhilarating power on the road.