How Does a Dodge Firing Order Work?


Quick Answer

The firing order in a Dodge engine works by the distributor igniting the spark plugs to the cylinders in sequence to manage power delivery. In more modern, direct ignition engines, the firing sequence is controlled by the Engine Control Unit.

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Full Answer

Firing sequence in an engine is important to limit wear on the motor, reduce vibration and increase efficiency. The particular firing order can depend on the design of the motor.

A distributor fires in a circular pattern going counterclockwise on a Dodge V-8 and clockwise on a Dodge Slant-6 engine. To ignite the cylinders in proper sequence, each wire from the distributor has to be matched in this circular order to the cylinder next in line to be fired. Firing sequence for a V-8 is 1-8-4-3-6-5-7-2, while the Slant-6 is 1-5-3-6-2-4.

The actual cylinder numbers are 1 to 6 on a Slant-6, the first one being the one at the front of the engine. On a V-8, cylinder numbers go from lowest to highest starting at the front, as on the Slant-6, but with even numbers on the left-hand side, 2-4-6-8, and odd numbers, 1-3-5-7, on the right-hand side.

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