Table of Contents
The Chevy LS engine swap is a popular modification for car enthusiasts looking to boost performance. With the right components and careful planning, achieving over 550 horsepower is possible. This guide will walk you through the steps needed to complete a successful LS swap using a Stage 2 Trick Flow cam and headers.
Understanding the LS Engine
The LS engine family includes several variants, all known for their lightweight design and high power potential. These engines are commonly used in a variety of vehicles, making them a versatile choice for swaps.
Parts Required for the Swap
- Chevy LS engine (preferably LS3 or L92)
- Stage 2 Trick Flow camshaft
- Headers compatible with LS engine
- LS engine swap harness
- Motor mounts specific to your vehicle
- Transmission adapter plate (if needed)
- Fuel system upgrades (pump and injectors)
- Cooling system upgrades (radiator and hoses)
- Exhaust system modifications
- Miscellaneous hardware (bolts, gaskets, etc.)
Preparation for the Swap
Before starting the swap, ensure you have all necessary tools and parts ready. A clean and organized workspace will make the process smoother. Here are some key preparation steps:
- Gather tools: wrenches, sockets, lifts or jacks.
- Remove the existing engine and transmission from your vehicle.
- Inspect the engine bay for any modifications needed.
- Check for any electrical connections that may need adjustments.
Engine Mounting
Installing the LS engine requires proper mounting to ensure stability and alignment. Follow these steps for a successful installation:
- Install the motor mounts according to the manufacturer’s instructions.
- Position the LS engine onto the mounts, ensuring it sits level.
- Tighten all bolts securely to avoid movement during operation.
Installing the Trick Flow Cam
The Stage 2 Trick Flow camshaft is essential for achieving the desired horsepower. Here’s how to install it:
- Remove the valve covers and timing chain cover.
- Install the camshaft following the manufacturer’s specifications.
- Reassemble the timing chain and covers securely.
Header Installation
Headers improve exhaust flow and increase horsepower. Follow these steps for proper installation:
- Remove any existing exhaust manifolds from the engine.
- Align the headers with the engine block and secure them with bolts.
- Ensure there are no leaks by checking all connections after installation.
Fuel System Modifications
To support higher horsepower, upgrades to the fuel system are necessary. Consider the following:
- Install a high-performance fuel pump.
- Upgrade to larger fuel injectors for better fuel delivery.
- Ensure the fuel lines are rated for higher pressure.
Cooling System Enhancements
Maintaining optimal engine temperature is crucial for performance. Here’s how to enhance the cooling system:
- Install a larger radiator for improved heat dissipation.
- Upgrade hoses to withstand higher temperatures.
- Consider adding an electric fan for better airflow.
Electrical Connections
Connecting the LS engine to your vehicle’s electrical system requires careful attention. Follow these guidelines:
- Use an LS engine swap harness for compatibility.
- Connect the ECU to the engine and ensure proper grounding.
- Check all sensors and wiring for functionality.
Final Steps and Testing
After all components are installed, it’s time to finalize the swap:
- Double-check all connections and bolts for security.
- Fill the engine with oil and coolant.
- Start the engine and monitor for any issues.
- Take the vehicle for a test drive to ensure everything is functioning properly.
Conclusion
Completing a Chevy LS swap with a Stage 2 Trick Flow cam and headers can significantly enhance your vehicle’s performance. By following this step-by-step guide, you can achieve over 550 horsepower and enjoy a thrilling driving experience. Always remember to consult with professionals if you encounter any challenges during the process.