1-5-4-2-6-3-7-8
Here's how to interpret it:
* 1: Cylinder #1 fires first
* 5: Cylinder #5 fires second
* 4: Cylinder #4 fires third
* 2: Cylinder #2 fires fourth
* 6: Cylinder #6 fires fifth
* 3: Cylinder #3 fires sixth
* 7: Cylinder #7 fires seventh
* 8: Cylinder #8 fires eighth
Important Note: This information assumes you have the 351 Windsor engine. If you have a different engine, the firing order will be different.
Finding a Diagram:
* Online Resources: Search for "1974 Ford F150 5.0L engine firing order diagram" on Google Images or similar search engines.
* Repair Manuals: A service manual specific to your 1974 F150 will definitely contain a detailed diagram of the firing order and other information you might need.
* Ford Dealership: Contact a Ford dealership or a reputable mechanic for help in locating a diagram.
Remember to always double-check the firing order for your specific vehicle before performing any work on the engine.