Most drivers know that you should change your spark plugs routinely to keep your car's engine running smoothly. However, when it comes to gapping spark plugs, many people may find themselves confused.

We firmly believe that sometimes even the longest-tenured hot-rodder should pause for a moment and recognize his or her journey in the hobby; take time to look back to where it all began and think ...

The rate at which a spark plug wears out will vary depending on the make and model of the vehicle, the type of engine, driving conditions, and spark plug type. Engines with copper spark plugs ...

Gasoline internal combustion engines need three fundamental things: fuel, oxygen, and spark. The sexy aspects of modifying cars are focused on the first two elements: Double Pumper carburetors, ...

Gas-powered internal combustion engines need spark plugs to (literally) ignite and complete the combustion stroke, enabling the motor to produce power. They may seem unusual to the untrained eye, but ...

Spark plugs play a highly significant role in the overall functioning of a vehicle. Without well-functioning spark plugs, a vehicle may not operate properly or at all. This article explains all ...

Chrysler's 5.7-liter HEMI engine is one of the most iconic Mopar engines of all time. A lot of factors contribute to the 5.7 HEMI's power and performance, but one of its most interesting ...

Learn how to use dielectric grease on spark plug boots to prevent voltage leaks and corrosion. Follow our guide to protect ...