Overview of Spark Plug
Spark plugs are categorized as one of the most misunderstood components in an engine. Many people are confused and numerous questions have surfaced over the years.
The discussion here aims to assist the technician, hobbyist, or race mechanic to understand, use and troubleshoot spark plugs. The information in this guide applies to all sorts of internal combustion engines: 2 stroke engines, rotary engines, high performance racing engines and street cars.
Spark plugs can be said as the “window” of you engine and is considered as a valuable diagnostic tool. Just like a thermometer for a patient, it is the spark plug that displays symptoms and conditions of the performance of an engine. An experience car tuning personal can verify the spark plug behavior and analyze the symptoms to track down the root cause of many problems or determine the air / fuel ratios.
