Hot rodding has always been and will always be a cannibalistic hobby. We steal from the rich new technology of current-year cars and adapt those parts to our poor and outdated hot rods. It's a ...

Like a conventional distributor system, Opti-Spark also used a rotor to distribute spark energy from the ignition coil. GM initially touted the system as a “100,000-mile” ignition system ...

Better GM performance modules increase this current ... sell matched coil and module sets to ensure optimal ignition operation. Coil design is very much a dark art and would require a textbook ...

or ignition coil.Although magnetic field collapse and voltage ... See All 6 Photos A production GM large-cap HEI distributor is a notable example of an electronically triggered inductive ...