How to Use a Tapered Gauge for Spark Plugs?

Answer Tapered spark plug gauges allow for precision adjustment of the spark plug gap, or the distance between the central and ground electrodes on the spark plug tip. Setting a proper spark plug gap is e... Read More »

Top Q&A For: How to Use a Tapered Gauge for Spark Plugs

The Best Way to Gap Spark Plugs With a Gap Gauge?

By design, the combustion engine requires fire, fuel and air to operate. Spark plugs satisfy the first of those needs, by delivering electrical spark to the combustion chamber. Before installing pl... Read More »

What Is the Difference Between Regular Spark Plugs & Performance Spark Plugs?

Automotive technology has advanced so much that one may argue the standard spark plug has disappeared altogether and all plugs are performance enhanced. The truth is that standard plugs, much like ... Read More »

What Happens If You Replace Platinum Spark Plugs With Regular Plugs?

Many vehicles came from the factory with platinum or iridium spark plugs, but most applications also list the good old copper spark plug. There can be multiple versions of all of them, depending on... Read More »

Resistors Used in Spark Plugs & Spark Plug Wires?

In early model vehicles before fuel injection and engine management computers, copper or stainless steel core spark plug wires were used. This type of wire was encased in rubber, and this type of c... Read More »