Why are spark plug gaps different?

Answer Spark plugs are part of the ignition system in a gasoline engine. They emit a spark that ignites the fuel/air mixture in the engine's cylinder, forcing the piston down and turning the crankshaft.Sp... Read More »

Top Q&A For: Why are spark plug gaps different

How to Set Spark Plug Gaps for a Lawn Mower?

Changing spark plugs is part of any lawn mower tune-up. It is also necessary to change spark plugs if an old one is not providing the spark necessary to start the mower. When changing spark plugs, ... Read More »

Setting the Spark Plug Gaps on a Riding Mower?

When replacing spark plugs, it is critical that the correct gap be set. The gap is the space between the hook and the center electrode on the bottom of the plug. Too much gap, and the riding mower ... Read More »

Factory Specifications for Mustang Spark Plug Gaps?

Spark plugs are the igniter within an engine. The gap on a spark plug is the distance between the electrodes. Electricity running through the plug will arc over the gap igniting the fuel in the eng... 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 »