Step-by-step 1g Eclipse Turbocharger Install: from Stock to 300 Hp in Under 8 Hours

The 1G Eclipse is a beloved platform for car enthusiasts looking to boost performance. One of the most effective upgrades is the installation of a turbocharger. This guide will walk you through the process of installing a turbocharger on a 1G Eclipse, transforming your vehicle from stock to a powerful 300 horsepower in under 8 hours.

Preparation for Installation

Before beginning the installation, it’s essential to gather all necessary tools and parts. Proper preparation will make the process smoother and faster.

  • Turbocharger kit (including manifold, turbo, and downpipe)
  • Boost controller
  • Fuel injectors
  • ECU tuning software
  • Basic hand tools (wrenches, sockets, screwdrivers)
  • Torque wrench
  • Safety glasses and gloves

Step 1: Remove the Stock Components

Start by disconnecting the battery to ensure safety during the installation.

  • Remove the intake manifold.
  • Disconnect all vacuum lines and electrical connectors.
  • Remove the throttle body for better access.
  • Take out the stock exhaust manifold and downpipe.

Step 2: Install the Turbo Manifold

With the stock components removed, you can now install the turbo manifold. This is a critical step in ensuring proper fitment for the turbocharger.

  • Align the turbo manifold with the engine block.
  • Use new gaskets to prevent leaks.
  • Tighten the manifold bolts to the manufacturer’s specifications.

Step 3: Mount the Turbocharger

Once the manifold is secured, it’s time to mount the turbocharger itself. This step requires careful handling to avoid damaging any components.

  • Attach the turbocharger to the manifold using the provided bolts.
  • Ensure the oil feed and return lines are properly connected.
  • Check for any signs of wear or damage on the lines before installation.

Step 4: Install the Downpipe

The downpipe is crucial for directing exhaust gases away from the turbocharger. Proper installation will help prevent back pressure and improve performance.

  • Align the downpipe with the turbo outlet.
  • Secure it with the appropriate clamps and bolts.
  • Ensure there are no leaks in the exhaust system.

Step 5: Upgrade Fuel System

To achieve 300 horsepower, upgrading the fuel system is essential. This includes replacing stock injectors with higher-flow options.

  • Remove the stock fuel injectors.
  • Install new high-flow fuel injectors.
  • Check fuel lines for any leaks during installation.

Step 6: ECU Tuning

After all hardware is installed, tuning the ECU is necessary to ensure the engine runs optimally with the new turbo setup.

  • Connect the ECU to a tuning software.
  • Adjust fuel maps and boost levels according to specifications.
  • Save the tuned settings and disconnect the ECU.

Step 7: Final Checks and Testing

Before starting the engine, perform a thorough check of all connections, lines, and components. This step is crucial to avoid any issues.

  • Recheck all bolts and fittings for tightness.
  • Ensure there are no leaks in the fuel or oil systems.
  • Reconnect the battery and start the engine.

Conclusion

Installing a turbocharger on a 1G Eclipse can be a rewarding project that significantly boosts performance. By following these steps, you can achieve 300 horsepower in under 8 hours. Enjoy your enhanced driving experience!