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The Nissan 370Z is a popular sports car known for its performance and sleek design. Upgrading to BorgWarner Individual Throttle Bodies (ITBs) can significantly enhance the engine’s responsiveness and power delivery. This guide provides a step-by-step approach to installing ITBs on your Nissan 370Z.
What You Will Need
- BorgWarner Individual Throttle Bodies kit
- Socket set and wrenches
- Screwdrivers (flathead and Phillips)
- Torque wrench
- Vacuum line and fittings
- Throttle position sensor (TPS)
- Air intake system components
- Fuel system upgrades (if necessary)
- Basic hand tools
- Safety goggles and gloves
Preparation
Before starting the installation, ensure that you have all the necessary tools and parts. It’s also important to work in a clean, well-lit environment. Disconnect the battery to prevent any electrical issues during the installation process.
Removing the Stock Throttle Bodies
Begin by removing the stock throttle bodies. Follow these steps:
- Remove the air intake system to gain access to the throttle bodies.
- Disconnect the throttle position sensor (TPS) wiring harness.
- Unscrew the throttle body mounting bolts using a socket wrench.
- Carefully lift off the stock throttle bodies from the intake manifold.
- Inspect the intake manifold for any debris or old gasket material and clean as necessary.
Installing BorgWarner Individual Throttle Bodies
With the stock throttle bodies removed, it’s time to install the BorgWarner ITBs. Follow these steps:
- Place the new ITBs onto the intake manifold, ensuring proper alignment with the mounting holes.
- Secure the ITBs using the provided mounting bolts and torque them to the manufacturer’s specifications.
- Reconnect the throttle position sensor wiring harness to the new throttle bodies.
- If applicable, install any additional vacuum lines or fittings as per the ITB kit instructions.
Connecting the Air Intake System
After the ITBs are installed, reconnect the air intake system. Ensure that all connections are secure to prevent air leaks.
- Attach the air intake pipe to the ITBs.
- Ensure that all clamps are tightened properly.
- Reconnect any sensors or components that were disconnected during the removal process.
Final Checks and Testing
Before starting the engine, perform the following checks:
- Double-check all connections and ensure there are no loose bolts or fittings.
- Reconnect the battery.
- Start the engine and let it idle to check for any abnormal sounds or leaks.
- Observe the throttle response and ensure that it operates smoothly.
Tuning the Engine
After installation, it’s essential to tune the engine for optimal performance with the new ITBs. This may require a professional tuning service to adjust fuel maps and ignition timing.
Conclusion
Installing BorgWarner Individual Throttle Bodies on your Nissan 370Z can significantly improve engine performance and throttle response. By following this guide, you can complete the installation process effectively and enjoy the benefits of enhanced power delivery.