What Happens When You Over Tighten Spark Plugs?

What Happens When You Over Tighten Spark Plugs? An over-torqued spark plug can cause stress to the metal shell, leading to thread damage or breakage. Over tightening can also compromise a plug’s internal gas seal or even cause a hairline fracture in the insulator. … Remember anything interfering with the torque process can cause a … Continue reading What Happens When You Over Tighten Spark Plugs?