By Ed Packer s.a.e. Quicker Starting Improved Economy Faster Acceleration Higher Speed Fig. 1. The layout of a typical six-cylinder, six-volt ignition syste ...

Just how does an ignition coil work to step up a battery's 12 volts (even less with a ballast resistor) to the tens of thousands of volts needed to fire the spark plugs?

Condensers and coils can last many years; points were the main problem. They had to open and close each time a cylinder fired. At a 3,000-rpm cruising speed that’s 12,000 times a minute for a V ...

Spark plugs have a pretty predictable life cycle, but ignition coils can be harder to track. Here's how to tell if an ...

Q: Last month we described how to remove a first-generation (’74-’80) High Energy Ignition (HEI) distributor from your Corvette, disassemble it, test its indivi ...

This ignition coil driver is a HOT one! From my recollection, it delivers a nastier spark than the legendary Ford Model T ignition coil. The circuit uses an inverted 555 oscillator that is coupled to ...