When Mopar built a high-performance engine during the supercar era, lighting the fire was most often handled by the venerable Prestolite dual-point distributor. Using this instead of the normal single ...

For something that's everywhere, but can't normally be seen, electricity is pretty amazing. It can produce light, heat, and something that's important to most of us: it can jump an air gap in a ...

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 ...

At 7,000 rpm, a spark plug ignites the air/fuel mixture nearly 60 times per second. Any one of those 60 sparks going amiss can at best be mildly annoying, and at worst cost you a race or an engine.