Not only does the Mazda Miata Ignition Coil turn the humble 12-volt battery supply of the roadster into tens of thousands of volts to launch the engine, but it also delivers the message that the engine will always start when you flick the starter switch. The unit is encased in a hard plastic or epoxy cover that shields two copper windings that revolve around an iron core, which has withstood heat and vibration and has proven to be very robust against the elements and can withstand any road condition. Contrasting early distributor systems, which applied one Ignition Coil and long plug wires to serve all cylinders, later NA and NB systems applied a dual-coil waste spark pack which discharged two cylinders per crank turn and reduced the risk of misfire as well as cut milliseconds off the time needed to fire each ignition. A coil-on-plug design provides each cylinder with its own Ignition Coil in NC and ND generations, does away with high-tension leads, fine-tunes spark timing, and increases electrical efficiency. With the ability to employ accurate voltage control, drivers are treated to more refined idle, sharper throttle response, and are also afforded tangible fuel economy, the advantages of which reflect the Mazda philosophy of vigorous yet cost-effective motoring. Owners appreciate their Miata in terms of balance, which is lightweight, and a trustworthy coil reinforces such a trait, providing complete power in a small, featherweight package that does not add any unnecessary weight. Regardless of which NA, NB, NC, or ND is wearing the original badge, this coil can fit in the factory harness since Mazda applied the same mounting points and connectors over the years, and any swap can be done in almost no time and with no stress. In providing a hot and timely burst, it also nips off unburned fuel, enhancing the emissions and protecting the catalytic converters, thus allowing Mazda enthusiasts to chase the apexes with confidence knowing their classic Miata is as willing and as safe as ever.
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