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Swapping an LS engine into a classic Chevy can breathe new life into your vehicle, providing modern performance and reliability. In this guide, we will walk you through the process of installing an LS2 engine with a Stage 2 cam and an upgraded cooling system.
What You’ll Need
- LS2 engine
- Stage 2 camshaft
- LS swap wiring harness
- Upgraded cooling system components
- Engine mounts
- Transmission adapter
- Tools (wrenches, sockets, etc.)
- Safety equipment (gloves, goggles)
Preparation
Before starting the swap, ensure that you have all necessary parts and tools on hand. It’s also important to have a clean workspace and sufficient lighting.
Remove the Old Engine
Begin by disconnecting the battery and draining the fluids from the old engine. Remove the following components:
- Radiator and hoses
- Exhaust manifolds
- Wiring harness
- Fuel lines
- Transmission
- Engine mounts
Once everything is disconnected, use an engine hoist to carefully remove the old engine from the vehicle.
Prepare the LS2 Engine
Before installing the LS2, it’s crucial to prepare it for the swap. This includes:
- Installing the Stage 2 camshaft
- Checking and replacing gaskets as needed
- Installing new spark plugs
- Ensuring the oil and coolant passages are clear
Install the LS2 Engine
With the LS2 prepared, it’s time to install it into your Chevy. Follow these steps:
- Position the engine hoist over the engine bay.
- Carefully lower the LS2 into place, aligning it with the engine mounts.
- Secure the engine mounts to the frame of the vehicle.
Connect the Transmission
Once the engine is secured, connect the transmission using the adapter. Make sure to:
- Align the transmission with the engine.
- Secure it with the appropriate bolts.
Upgrading the Cooling System
An upgraded cooling system is essential for maintaining optimal engine temperatures. Follow these steps:
- Install a new radiator that can handle increased heat.
- Upgrade hoses to higher-rated materials.
- Install an electric fan for better airflow.
Wiring and Fuel System
The next step is to connect the wiring harness and fuel system:
- Install the LS swap wiring harness, ensuring all connections are secure.
- Connect the fuel lines to the new engine.
- Install a fuel pump that is compatible with the LS2.
Final Steps
Now that everything is installed, it’s time to finalize the swap:
- Double-check all connections and fluid levels.
- Reconnect the battery.
- Start the engine and check for leaks.
- Take the vehicle for a test drive to ensure everything is functioning correctly.
Conclusion
Completing an LS swap can be a rewarding project that enhances your Chevy’s performance. By following this step-by-step guide, you can successfully install an LS2 engine with a Stage 2 cam and upgraded cooling system. Enjoy your new ride!