This animated film "Spark In The Firing Line" provides an in-depth look at the ignition system of modern motor vehicles, focusing on the role of spark plugs in igniting fuel within the combustion ...

While a lot of automotive engines have one spark plug per cylinder, the HEMI V8 might have two per cylinder. What is the science behind that?

If you’ve been in the classic Mustang hobby for more than about five minutes, you’ve no doubt heard the name Pertronix. The company is a household name in our hobby for its line of Ignitor brand ...

Due to their relatively long lifespan, car spark plugs are often overlooked during routine maintenance. As a result, when ...

Accel's single-point "blueprint" distributor is physically similar in appearance and layout to the traditional GM small-cap points-type distributor. The greater the points' closure time (dwell), the ...

For the average beginner in the fine art of auto mechanics, and some old-timers as well, installing and wiring a stock eight-cylinder ignition distributor can sometimes be quite a chore, and when he ...

Engines need spark plugs to burn their air/fuel mixture, and the spark plugs need a jolt of electricity to do their work. Older cars with conventional distributor-based ignition systems did it by ...

You have to be careful about swapping spark plugs around, but some wrenching enthusiasts might wonder if spark plug wires are important keep track of, too.