**This is a replay from the old podcast series lost to the internet**
Original upload date: 16/06/2020
What to know what spark plug heat range is and how it affects your engine performance? A spark plug heat range is a measure of the spark plug thermal performance to transfer heat from the combustion chamber into the head.
If the spark plug does not conduct enough heat (a cold plug to NGK scale) it will remain cooler causing carbon fouling. If a spark plug conducts too much heat (hot plug on NGK scale) the plug can overheat causing damage to the plug as well as your engine. https://www.ngk.com.au/technical_info/heat-range/
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