Quote:
Originally Posted by 2016 Versa
Lots of time years ago non resistor plugs would cause lots of interference in the radios in cars. Maybe with the advancements in electronics technology and in spark plug technology that's no longer true. I also remember when many cars came from the factory with only AM radios which were also more prone to interference.
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Maybe that was also because the cars back then had spark plug wires that could act as antennas to radiate interference? My car has the coils right on the spark plugs, so no wires. I don't see how much interference could escape since the spark is contained in the sealed combustion chamber anyways.