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 ...

Most automotive ignition coils, from purely stock to full-on racing units, are rated at between 4 and 10 thousandths of a Henry, called 4 to 10 milliHenrys ( abbreviated 4mH).

To test the ignition coil, ... The pick-up coil assembly is held on the distributor with a thin snap ring covered by a fiber washer. Carefully pry out the snap ring (Image J).

Classic Delco distributors seem to cover the gamut of types, ranging from single-point to dual-point in aluminum and cast iron. We're about to tackle a cast-iron, tach-drive distributor.

As internal combustion engines continue to coexist with electrification, ignition coils will remain a critical link in the ...

The “boot” is what connects the ignition coil to the spark plug. It is similar to a spark plug wire but isn’t visible. Over time, the rubber deteriorates and loses its insulation quality.

The patent US12000329B2 describes a pre-combustion chamber assembly designed for spark ignition engines. This assembly features an ignition chamber that houses at least one electrode of a spark ...