Inside Out on Instagram: "Engine firing order is the exact sequence in which each cylinder ignites, and this timing decides how smooth, stable and efficient the engine feels on the road. Different layouts rely on different sequences to keep vibration low and power evenly spaced. Inline fours often use 1 3 4 2 for balanced pulses, while V6 engines use patterns like 1 4 2 5 3 6 to match their angle and design. V8 engines are known for their deep rumble because of orders like 1 8 4 3 6 5 7 2 in cla