1. Removal:
Disconnect the battery and remove the negative terminal.
Drain the coolant by opening the radiator petcock or drain plug.
Remove the air intake and any components obstructing access to the engine.
Label and disconnect electrical wires, fuel lines, and vacuum lines connected to the engine.
Unbolt and remove the exhaust manifolds or headers.
Disconnect transmission lines and remove torque converter bolts.
Remove engine mounts and lift the 305 engine out of the vehicle.
2. Preparation:
Check the engine bay and ensure there are no interferences or fitment issues for the 350 engine.
Install the 350 engine mounts.
If necessary, modify or replace crossmembers or other components to accommodate the new engine.
Install a new oil filter and prime the oil pump.
3. Installation:
Lower the 350 engine into the engine bay, ensuring proper alignment with the transmission.
Install the transmission bolts and tighten them securely.
Connect the exhaust manifolds or headers.
Reattach electrical wiring, fuel lines, and vacuum lines.
Reinstall the air intake and any components removed during disassembly.
4. Fluid Refills:
Add coolant to the radiator and ensure proper levels.
Add engine oil to the specified level.
5. Electrical and Fuel Connections:
Reconnect the battery.
Check all electrical connections, fuses, and relays.
Ensure that the fuel system is primed and free of leaks.
6. Test Run:
Start the engine and let it run for a few minutes.
Monitor for any leaks, unusual noises, or check engine lights.
Perform necessary adjustments or troubleshooting if any issues arise.
7. Break-In Period:
Follow the break-in procedure recommended by the engine manufacturer. This may include varying RPM and load conditions to properly seat the piston rings and components.
Remember, this is a general overview, and specific procedures may vary based on the exact vehicle model and engine combination. It is recommended to consult a professional mechanic or refer to the vehicle's service manual for detailed instructions and specifications. Furthermore, if you are not experienced with significant engine swaps, it is advisable to seek assistance from a qualified mechanic or auto repair shop to ensure safety and proper execution of the project.
