* 1-8-4-3-6-5-7-2: This is the most common firing order for the Chrysler 440.
* 1-5-3-6-2-8-4-7: This is a less common, but still used firing order for some years.
To be absolutely certain, you must consult a service manual specific to the year and model of your 440 engine. The engine block itself may also have the firing order stamped on it.