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The Toyota Celica GT-Four is a legendary performance car that has captured the hearts of many enthusiasts. With its turbocharged engine and all-wheel-drive system, it offers a thrilling driving experience. For those looking to boost their Celica’s performance, upgrading the turbocharger is one of the most effective modifications. This guide will walk you through the process of upgrading to the HKS GT2835 turbo, allowing you to achieve an impressive 300 horsepower.
Understanding the HKS GT2835 Turbo
The HKS GT2835 is a popular choice among Celica GT-Four owners seeking significant power gains. This turbocharger is designed to provide a balance of response and power, making it ideal for both street and track use. Here are some key features:
- Ball bearing design for improved spool time
- Capable of supporting up to 400 horsepower
- Compact size for easy installation
- Durable construction for reliability
Preparing for the Upgrade
Before diving into the turbo upgrade process, it’s essential to prepare your Celica. Proper preparation will ensure a smooth installation and optimal performance. Here are the steps to take:
- Inspect the engine for any existing issues
- Change the oil and filter to ensure a clean start
- Upgrade fuel injectors to handle increased power
- Consider upgrading the fuel pump for better fuel delivery
Gathering Necessary Parts and Tools
To successfully upgrade to the HKS GT2835 turbo, you will need a variety of parts and tools. Here’s a comprehensive list to help you get started:
- HKS GT2835 turbocharger
- Turbo manifold (if not stock)
- Upgraded intercooler and piping
- High-flow fuel injectors
- Performance fuel pump
- Boost controller
- Oil lines and fittings
- Basic hand tools (sockets, wrenches, etc.)
- Torque wrench
- Safety gear (gloves, goggles)
Step-by-Step Installation Process
1. Remove the Stock Turbo
Start by disconnecting the battery to ensure safety. Next, remove the stock turbocharger by following these steps:
- Remove the intake and exhaust piping connected to the turbo.
- Disconnect the oil and coolant lines from the stock turbo.
- Unbolt the turbo from the manifold and carefully remove it from the engine bay.
2. Install the HKS GT2835 Turbo
With the stock turbo removed, it’s time to install the HKS GT2835:
- Position the HKS GT2835 onto the turbo manifold and secure it with bolts.
- Reconnect the oil and coolant lines, ensuring there are no leaks.
- Attach the intake and exhaust piping to the new turbo.
3. Upgrade Fuel System Components
To support the increased power, upgrading the fuel system is crucial:
- Install high-flow fuel injectors according to manufacturer instructions.
- Replace the fuel pump with a higher capacity unit.
4. Install the Boost Controller
A boost controller will help manage the turbo’s output effectively:
- Mount the boost controller in a convenient location within the cabin.
- Connect the necessary vacuum lines and electrical connections.
5. Double-Check All Connections
Before starting the engine, ensure all connections are secure:
- Inspect all hoses and lines for tightness and integrity.
- Check the turbo bolts for proper torque.
6. Start the Engine and Tune
With everything installed, it’s time to start the engine:
- Reconnect the battery and start the engine.
- Monitor for any leaks or unusual noises.
- Take the car to a professional tuner to optimize the ECU settings for the new turbo.
Post-Installation Considerations
After the installation and tuning, there are a few considerations to keep in mind:
- Regularly check for oil and coolant leaks.
- Monitor boost levels to ensure they are within safe limits.
- Schedule periodic maintenance to keep the turbo in optimal condition.
Conclusion
Upgrading your Toyota Celica GT-Four to an HKS GT2835 turbo can dramatically increase performance, allowing you to reach 300 horsepower. By following this guide, you can ensure a successful installation that enhances your driving experience. Always remember to prioritize safety and consult with professionals when necessary to achieve the best results.