How does spark plug timing work? An explanation of automotive ignition systems. Ignition coils, distributors, and firing ...

It seems like such a small thing—that tiny area approximately 0.040 of an inch wide inside each combustion chamber. That area we're talking about is the gap between the electrode and strap on each ...

Editor's note: As pioneers of the industry's first high performance H.E.I. ignition distributor, the Davis family's company (now led by Steve Davis) has spent 40 years perfecting their product's ...

Back when cars relied on distributors, spark plugs needed ignition points. You'll have to know how to set them correctly if you have a classic.