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Firing order for 1973 390 motor?

The firing order for a 1973 Ford 390 engine is 1-5-4-2-6-3-7-8.

This firing order is consistent across most Ford 390 engines, regardless of whether they're used in cars, trucks, or other applications.

Here's a breakdown of the firing order:

* Cylinder 1: Firing first

* Cylinder 5: Firing second

* Cylinder 4: Firing third

* Cylinder 2: Firing fourth

* Cylinder 6: Firing fifth

* Cylinder 3: Firing sixth

* Cylinder 7: Firing seventh

* Cylinder 8: Firing eighth

Remember that this firing order is crucial for proper engine operation, as it dictates the sequence in which the spark plugs ignite and the cylinders fire.