* 4.6L V8: This was a popular choice.
* 4.9L I6: A six-cylinder engine, known for its reliability.
* 5.4L V8: A larger displacement V8, offering more power.
There might have been other, less common options available, depending on the specific model year and production run, but those three were the main engines offered. To be absolutely certain about which engine was in a *specific* 1997 F-150, you'd need to check the vehicle's documentation (like the owner's manual or vehicle identification number (VIN) details).
