Installing Gtx350r 70mm Individual Throttle Bodies on a Subaru Wrx: a Detailed Diy Guide

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Installing GTX350R 70mm Individual Throttle Bodies on a Subaru WRX can significantly enhance engine performance and responsiveness. This detailed DIY guide will walk you through the installation process step by step, ensuring that you can successfully upgrade your vehicle.

Tools and Materials Required

  • GTX350R 70mm Individual Throttle Bodies
  • Socket set
  • Torque wrench
  • Phillips and flathead screwdrivers
  • Vacuum hose
  • Throttle body gasket
  • Intake manifold cleaner
  • Rags or shop towels
  • Safety glasses
  • Gloves

Preparation Steps

Before beginning the installation, ensure that you have all the necessary tools and materials ready. Follow these preparation steps:

  • Disconnect the battery to prevent any electrical issues.
  • Remove the engine cover if applicable.
  • Clean the workspace to ensure a safe and organized environment.

Removing the Stock Throttle Bodies

To install the GTX350R throttle bodies, you first need to remove the stock ones. Follow these steps:

  • Locate the throttle bodies on the intake manifold.
  • Disconnect any electrical connectors attached to the throttle bodies.
  • Remove the vacuum hoses connected to the stock throttle bodies.
  • Unscrew the bolts securing the throttle bodies to the manifold using the socket set.
  • Carefully lift the throttle bodies off the manifold and set them aside.

Preparing the New Throttle Bodies

Before installing the new GTX350R throttle bodies, ensure they are ready for installation:

  • Inspect the new throttle bodies for any damage or defects.
  • Install the new throttle body gaskets to ensure a proper seal.
  • Clean the intake manifold surfaces with intake manifold cleaner to remove any old gasket material or debris.

Installing the GTX350R Throttle Bodies

Now, you are ready to install the new throttle bodies. Follow these steps carefully:

  • Position the GTX350R throttle bodies onto the intake manifold, aligning them with the bolt holes.
  • Secure the throttle bodies using the bolts removed earlier, tightening them to the manufacturer’s specified torque settings.
  • Reconnect the vacuum hoses to the new throttle bodies.
  • Reconnect any electrical connectors that were detached during removal.

Finalizing the Installation

After installing the throttle bodies, there are a few final steps to complete:

  • Reinstall the engine cover if it was removed.
  • Reconnect the battery.
  • Start the engine and allow it to idle for a few minutes to ensure everything is functioning properly.
  • Check for any vacuum leaks or unusual noises.

Tuning Your Subaru WRX

After the installation, it’s crucial to tune your Subaru WRX to optimize performance. Consider the following:

  • Consult with a professional tuner to adjust the engine management system.
  • Monitor air-fuel ratios and engine performance metrics.
  • Perform a dyno test to measure improvements in horsepower and torque.

Conclusion

Installing GTX350R 70mm Individual Throttle Bodies on your Subaru WRX can greatly enhance your vehicle’s performance. By following this detailed DIY guide, you can successfully complete the installation and enjoy the benefits of improved throttle response and power. Always remember to tune your vehicle for optimal performance and consult with professionals if needed.