What is the cylinder order for a 4.7 L?
The 4.7 L PowerTech V8 fires in the sequence 1-8-4-3-6-5-7-2. Cylinders are numbered with Bank 1 containing 1-3-5-7 and Bank 2 containing 2-4-6-8.
Engine layout and cylinder numbering
The 4.7 L PowerTech is a 90-degree V8 with two banks of four cylinders. For correct spark timing and maintenance, it’s important to know how the cylinders are numbered on this engine.
Bank assignments
Chrysler’s cylinder numbering assigns Bank 1 to the first bank (cylinders 1, 3, 5, 7) and Bank 2 to the opposite bank (cylinders 2, 4, 6, 8). This convention is used when referring to firing order and component locations.
- Bank 1: 1, 3, 5, 7
- Bank 2: 2, 4, 6, 8
Understanding the bank layout helps in diagnosing misfires and in wiring spark plugs and ignition components.
Firing order
The following is the firing order for the 4.7 L PowerTech V8, i.e., the sequence in which the cylinders fire during operation.
- 1
- 8
- 4
- 3
- 6
- 5
- 7
- 2
Following this sequence ensures even distribution of power and smooth engine operation. When replacing spark plug wires or diagnosing timing, use this order as the reference.
Summary
In short, the 4.7 L PowerTech V8 uses firing order 1-8-4-3-6-5-7-2, with Bank 1 consisting of cylinders 1, 3, 5, 7 and Bank 2 consisting of cylinders 2, 4, 6, 8. Accurate wiring and timing based on this order are essential for optimal performance and reliability.
