Step-by-step: Installing a Cosworth Vf45 Supercharger on the Fa20

Installing a Cosworth VF45 Supercharger on the FA20 engine can significantly enhance performance and driving experience. This guide will provide you with a detailed, step-by-step process to ensure a successful installation.

Tools and Materials Needed

  • Cosworth VF45 Supercharger Kit
  • Basic Hand Tools (wrenches, sockets, etc.)
  • Torque Wrench
  • Vehicle Jack and Stands
  • Coolant
  • Engine Oil
  • Vacuum Hose
  • Gaskets and Seals
  • Shop Manual for FA20

Preparation

Before beginning the installation, ensure that the vehicle is parked on a flat surface and the engine is cool. Gather all necessary tools and materials to streamline the process.

Disconnect the Battery

Start by disconnecting the negative terminal of the battery to prevent any electrical issues during the installation.

Remove Engine Covers

Remove any plastic engine covers to gain access to the engine components. This step may vary depending on your vehicle’s specific setup.

Removing the Stock Components

To install the supercharger, you will need to remove certain stock components from the engine.

Remove the Intake Manifold

Carefully detach the intake manifold by unbolting it from the engine. Ensure that you label any hoses and connectors for easy reinstallation.

Remove the Stock Turbocharger (if applicable)

If your FA20 is equipped with a stock turbocharger, remove it following the manufacturer’s instructions. This may involve disconnecting the exhaust and intake piping.

Installing the Cosworth VF45 Supercharger

With the stock components removed, you can now proceed to install the Cosworth VF45 Supercharger.

Install the Supercharger Base Plate

Begin by installing the supercharger base plate onto the engine. Use the provided gaskets and ensure all bolts are torqued to the manufacturer’s specifications.

Attach the Supercharger

Carefully place the supercharger onto the base plate and secure it with the provided hardware. Ensure that all connections are tight and leak-free.

Connect the Intake and Vacuum Hoses

Connect the intake hose from the supercharger to the throttle body. Additionally, ensure all vacuum hoses are connected properly to avoid any vacuum leaks.

Reinstalling Components

Once the supercharger is installed, it’s time to reinstall the components that were removed earlier.

Reinstall the Intake Manifold

Reattach the intake manifold, ensuring that all gaskets are in place and all bolts are torqued correctly.

Reinstall the Stock Turbocharger (if applicable)

If you removed a turbocharger, reinstall it by following the reverse order of removal. Ensure all connections are secure.

Final Steps

After all components are reinstalled, there are a few final steps to complete the installation process.

Reconnect the Battery

Reconnect the negative terminal of the battery and ensure all electrical connections are secure.

Check Fluid Levels

Check the engine oil and coolant levels. Top off any fluids as necessary to ensure proper operation.

Start the Engine

Start the engine and allow it to idle. Check for any unusual noises or leaks. If everything appears normal, take the vehicle for a short test drive.

Conclusion

Installing a Cosworth VF45 Supercharger on the FA20 can dramatically improve performance. By following these steps carefully, you can achieve a successful installation and enjoy the enhanced capabilities of your vehicle.