ResultChevy 350 firing order is the same across all its small-block V8 engines, which means that the SBC firing order is 1-8-4-3-6-5-7-2. The small-block motor includes the 262, 265, 267, 283, 302, 327, 350, and 400. The SBC firing order means that cylinder number 1 fires first, followed by cylinder number 8, cylinder number 4, …