A windings road:It all starts with the concepts of inductance and electromagnetism. Inside an ignition coil there are two sets of wire windings (aka coils, that's why it's called a "coil," get it?).

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. I’ve always thought it would be funny to build scale-size ...

Project Single Turbo has undergone extensive upgrades to its engine and supporting systems, most notably fuel and air delivery. To take control of these, we’ve installed a standalone ECU and upgraded ...

It's easy to forget about maintenance intervals, even for car people like us. Believe it or not, non-moving parts do wear. Maybe not as fast as moving parts (serpentine belts, brake rotors, and so on) ...

The Mopar electronic ignition system introduced in 1972 was cutting edge in its day. While everyone else was using the ancient points-type ignitions, Chrysler scooped 'em all with the electronic unit.