What Does A Wider Spark Plug Gap Do?

One essential part of an internal combustion engine is the spark plug. It causes the explosion that powers the engine by igniting the air-fuel mixture in the engine’s combustion chamber. The gap, or the distance between the center and ground electrodes, is one of the most important features of a spark plug’s design. But what occurs if this difference widens? Let’s take a closer look at the effects of a wider spark plug gap in this shirt blog.

The Function of a Spark Plug Gap

The spark that ignites the mixture of air and fuel occurs when it leaps from one electrode to another within the spark plug gap. Engine performance may be considerably impacted by the length of this gap. The manufacturer normally decides on the gap size after weighing longevity, performance, and efficiency.

Effects of a Wider Spark Plug Gap

1. It Enhances a Spark: A more powerful spark produced by a larger gap may result in more effective combustion. This might enhance fuel economy and engine performance.
2. Increased Voltage Requirement: A greater gap calls for a higher voltage in order to spark. This can result in misfires, poor fuel efficiency, and decreased engine performance if the ignition system cannot deliver this additional voltage.
3. Potential for Damage: The likelihood of the spark plug electrodes degrading or being damaged rises with a wider gap. The spark plug’s lifespan may be shortened as a result of this.
4. Emissions: Emissions may potentially rise with a greater gap. Higher emissions may come from incomplete combustion if the spark is not powerful enough to ignite all the fuel.

Although a greater spark plug gap could enhance combustion and engine performance, there are hazards involved. If the ignition system is unable to handle the increased voltage demand, it may result in misfires and decreased performance. Additionally, it may diminish the spark plug’s life and raise emissions. To guarantee optimum engine efficiency and longevity, it is normally advised to stick with the manufacturer’s suggested spark plug gap size. Before making any adjustments to your spark plugs, always get advice from a professional or your vehicle’s manual. Reach out to a specialist on this issue HERE