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What is the firing order for a 5.8 Ford F-250?

The 5.8L V8 engine in Ford F-Series trucks (including the F-250) generally uses a 1-5-4-2-6-3-7-8 firing order. However, it's crucial to double-check your specific engine's information. The best source would be:

* Your owner's manual: This will have the exact firing order for your year and model.

* An engine casting number: This number is usually found on the engine block itself and can be used to look up precise specifications.

Don't rely solely on a generalized firing order. Using the wrong firing order can cause serious engine damage.