Copper spark plugs: debunking the myth
Copper plugs actually feel rapid edge vesture and increased spark plug gap in every bit little equally 10,000 miles. Read more about it here.
I read a lot of online auto blogs and continually meet sociology "wisdom" that copper spark plugs are a better pick than either platinum or iridium. Rubbish! The myth is based on the fact that copper is a better electrical conductor than the more than expensive precious metals. That's truthful, as far as information technology goes. But there's far more to creating a powerful spark than just the conductivity of the electrode textile.
The myth ignores the fact that an ignition spark ever jumps from (and toward) the sharpest parts of the eye and side electrodes. Sure, a copper spark plug has sharp electrodes correct out of the box. But copper can't maintain precipitous edges very long. The heat of the spark itself and loftier combustion temperatures quickly article of clothing down the edges of both the heart and side electrodes. That's because copper has the lowest melting indicate of all the currently available spark plug materials (copper melts at i,983 degrees F, yttrium at ii,779 degrees, platinum at 3,222 degrees and iridium at iv,229 degrees). Copper plugs really experience rapid edge wear and increased spark plug gap in as footling as ten,000 miles. And that results in a far less powerful (and less effective) spark that tin misfire, lower your gas mileage and impairment ignition wires and the coil.
Premium spark plugs, on the other manus, hold their sharp edge and maintain the proper gap for up to 100,000 miles. With the highest melting point of all the precious metals, iridium-tipped spark plugs are at present considered the best selection for quick starts, solid acceleration and overall long-term performance. So ignore the myth of the copper spark plug and spend a few actress bucks on a premium spark plug.
Iridium and platinum spark plugs are available from a variety of manufacturers.
To learn how to install spark plugs, visit:
http://www.ngksparkplugs.com/techinfo/spark_plugs/installation.asp#installing
— Rick Muscoplat, Automotive Editor
Source: https://www.familyhandyman.com/article/copper-spark-plugs-debunking-the-myth/
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