Challenges and Considerations:
* Engine Mounts: The Vortec engine's mounting points likely won't align with your El Camino's existing mounts. You'll need to fabricate or purchase new motor mounts.
* Transmission: This depends on the transmission in your El Camino and the transmission attached to the Vortec engine you acquire. You might need an adapter plate or a completely new transmission and associated components (driveshaft, etc.). Consider the bellhousing compatibility carefully.
* Wiring Harness: The Vortec engine's wiring harness will be different from your El Camino's. You'll need to either adapt your existing harness or get a new harness designed for a 350 Vortec in your application (possibly a custom one).
* Exhaust System: You'll need a new exhaust system, as the Vortec's exhaust manifolds or headers won't match your El Camino's existing setup.
* Cooling System: The Vortec engine may have different cooling requirements. You might need a different radiator, hoses, thermostat, and water pump.
* Computer Control (ECM): Vortec engines are usually computer-controlled. You'll need the appropriate ECM and sensors to make it work, and possibly a custom tune.
* Brakes: A more powerful engine necessitates improved braking. You might need to upgrade your brake system.
* Steering: If your steering is already questionable, a more powerful engine may exacerbate issues. Consider upgrades to your steering system if needed.
* Fuel System: The Vortec engine may require a different fuel pump and fuel lines.
What you'll need:
* The 350 Vortec Engine: Naturally, this is the key component. Consider the year and specific Vortec variant as they have subtle differences.
* Motor Mounts: Custom fabricated or aftermarket mounts.
* Transmission and related components: This is heavily dependent on what's already in your car and what you want to install.
* Wiring Harness: New, adapted, or custom.
* Exhaust System: Headers or manifolds, pipes, muffler, etc.
* Cooling System Components: Radiator, hoses, water pump, thermostat, etc.
* ECM and related sensors: You'll need the correct computer and sensors for the engine and year.
* Possibly other components: Fuel system components, upgraded brakes, etc.
Recommendation:
This is a significant undertaking, especially for someone without mechanical experience. It's best to seek advice from experienced mechanics or join El Camino forums for valuable insights and guidance. Thorough planning and research are crucial to ensure a successful and safe installation. Consider the cost of the parts and labor involved before starting the project.