Why is a firing order necessary?
Why is a firing order necessary? Firing order affects the vibration, sound and evenness of power output from the engine. The firing order heavily influences crankshaft design. Which is the first spark plug in the firing order? Luckily most manufacturers will mark the number one terminal. You can see number 1, first, or something else. This is the wire which connects the firing terminal in question with the first spark plug in the firing order. More of this will be explained below. The firing terminal you located has to be linked to the first cylinder on the engine. What is...