Add Yahoo as a preferred source to see more of our stories on Google. Perfectly tuning the heat range of an engine's spark plugs is something of a dark art to all but the most well versed tuners and ...

When we turn the key, what happens under the hood and why? How does an automobile engine work? What is that sound we hear and the propulsion we feel when the accelerator is depressed? "External ...

The distributor is the brain of the ignition system. As such, it has a profound influence on the performance of an engine. Understanding the workings of a distributor is the key to assuring proper ...