Spark Plug Gappers

Spark Plug Gappers

Spark plug gappers are tools used to adjust the distance between the electrodes of a spark plug. This distance, known as the spark plug gap, is critical to the performance of the engine. If the gap is too small, the spark will not be strong enough to ignite the fuel-air mixture. If the gap is too large, the spark will be weak and may not be able to ignite the fuel-air mixture at all.

Spark plug gappers come in a variety of styles, but all of them perform the same basic function. The most common type of spark plug gapper is a feeler gauge. Feeler gauges are thin metal strips of varying thickness. The mechanic inserts the feeler gauge between the electrodes of the spark plug and adjusts the gap until the feeler gauge fits snugly.

Another type of spark plug gapper is a gapping tool. Gapping tools are designed to make the process of adjusting the spark plug gap faster and easier. Gapping tools typically have a set of interchangeable blades, each of which is a different thickness. The mechanic inserts the blade into the spark plug and turns the tool until the blade contacts the electrodes. The gap is then adjusted by turning the tool until the blade just slips between the electrodes.

Spark plug gappers are an essential tool for any automotive mechanic. By ensuring that the spark plug gap is correct, mechanics can help to ensure that their engines are running at peak performance.

Types of Spark Plug Gappers

  • Feeler gauges
  • Gapping tools

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