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

Choosing the correct ignition coil.The Flame Thrower 40,000V coils have internal resistance rated at 1.5 or 3.0 ohms. The 3.0-ohm coil should be used on PerTronix Ignitors installed on four- and ...

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 ...

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 ...

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 ...