How to Install an Rb26dett Swap: Detailed Step-by-step Process for Nissan Skylines

The RB26DETT engine swap is a popular upgrade for Nissan Skyline enthusiasts looking to enhance performance. This article will provide a detailed step-by-step process for installing an RB26DETT engine into a Nissan Skyline.

Understanding the RB26DETT Engine

The RB26DETT is a 2.6-liter inline-six engine that features twin turbochargers. Originally designed for the Nissan Skyline GT-R, this engine is known for its robust performance and tuning potential.

Preparing for the Swap

Before starting the installation, it’s essential to gather all necessary tools and components. Here’s a quick checklist:

  • RB26DETT engine
  • Transmission (preferably the Getrag 6-speed)
  • Engine mounts
  • Wiring harness
  • ECU
  • Fuel pump and lines
  • Exhaust system
  • Cooling system components
  • Basic hand tools

Step 1: Remove the Existing Engine

Begin by disconnecting the battery and draining the engine fluids. Next, remove the following components:

  • Intake system
  • Exhaust manifold
  • Radiator
  • Transmission
  • Wiring harness

Once everything is disconnected, use an engine hoist to lift the old engine out of the engine bay carefully.

Step 2: Prepare the RB26DETT Engine

Before installing the RB26DETT, inspect it for any necessary repairs or upgrades. Common modifications include:

  • Upgrading the turbochargers
  • Installing a new oil pump
  • Replacing gaskets and seals

Step 3: Install Engine Mounts

Install the engine mounts specific to the RB26DETT in the engine bay. Ensure they are securely bolted and aligned correctly.

Step 4: Position the RB26DETT in the Bay

Carefully position the RB26DETT engine into the engine bay using the engine hoist. Align it with the engine mounts and ensure it sits properly.

Step 5: Connect the Transmission

Once the engine is in place, attach the transmission. Make sure all bolts are tightened to the manufacturer’s specifications.

Step 6: Reconnect Wiring and Plumbing

Reconnect the wiring harness and ensure all electrical connections are secure. Additionally, connect the following:

  • Fuel lines
  • Coolant hoses
  • Vacuum lines

Step 7: Install the Exhaust System

Install the exhaust manifold and connect the exhaust system to the RB26DETT. Ensure all connections are leak-free.

Step 8: Fill Fluids and Check for Leaks

Fill the engine with oil, coolant, and any other necessary fluids. Check for leaks around all connections.

Step 9: Start the Engine

Reconnect the battery and attempt to start the engine. Monitor for any unusual sounds or warning lights. If everything is functioning correctly, allow the engine to warm up.

Step 10: Final Adjustments

After the engine has warmed up, check all systems again. Make any necessary adjustments to the tuning and ensure the vehicle is ready for the road.

Conclusion

Installing an RB26DETT engine swap into a Nissan Skyline can significantly enhance performance. By following this detailed step-by-step process, you can ensure a successful installation and enjoy the benefits of this powerful engine.