What Is The Firing Order Of All Inline 6 Engines?
What Is The Firing Order Of All Inline 6 Engines? Straight-six engines typically use a firing order of 1-5-3-6-2-4, which results in perfect primary and secondary balance. V6 engines with an angle of 90 degrees between the cylinder banks have used a firing orders of R1-L2-R2-L3-L1-R3 or R1-L3-R3-L2-R2-L1. Why is the firing order not 1234?