* Engine Variations: There are different versions of the 351 engine, and each might have specific plug gap recommendations.
* Spark Plug Type: The type of spark plug you use (brand, material, etc.) can also affect the recommended gap.
* Owner's Manual: The most reliable source of information is your vehicle's owner's manual. It will list the correct plug gap for your specific engine and recommended spark plug type.
Here's how you can find the information you need:
1. Consult your Owner's Manual: Look for the section that covers spark plugs and maintenance.
2. Check the Spark Plug Packaging: If you have a new set of spark plugs, the packaging may list the correct gap.
3. Consult a Repair Manual: A repair manual specific to your vehicle model will have detailed information about your engine and its specifications.
4. Contact a Ford Dealership: They can provide you with the accurate information based on your VIN.
5. Visit a Reputable Auto Parts Store: Talk to a parts specialist, they can often look up the information for you.
Important Note: Using the wrong plug gap can lead to engine performance issues, misfires, and even damage to your engine components. Always ensure you use the correct gap and spark plug type for your vehicle.
