Chevrolet firing order 2005
Chevrolet Avalanche, Sierra, Silverado, C&K Series, 1999-2005
4.3L Engines Firing order: 1-6-5-4-3-2 Distributor rotation: Clockwise
4.8L, 5.3L, 6.0L and 8.1L Engines Firing order: 1-8-7-2-6-5-4-3 Distributorless ignition system (one coil on each cylinder)
5.0L, 5.7L and 7.4L Engines Firing order: 1-8-4-3-6-5-7-2 Distributor rotation:
Clockwise
5.7L and 7.4L Engines Firing order: 1-8-4-3-6-5-7-2 Distributor rotation : Clockwise
4.8L, 5.3L, 6.0L and 8.1L Engines Firing order: 1-8-7-2-6-5-4-3 Distributorless ignition system (one coil on each cylinder)
4.3L Engines Firing order: 1-6-5-4-3-2 Distributor rotation: Clockwise