Hummer Platinum Plug
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About Platinum Plug
The spark plug is a major component of the ignition system and must be operated in the most extreme circumstances. Spark plugs are exposed to temperatures in the combustion chamber and to contaminating combustion products. It is made of a threaded steel shell to fit a regular hole in the head of the cylinder. Spark plugs may use a gasket or tapered seat to ensure that the cylinder head and plug are gastight. Spark plug contains valuable and other metals in the centre and side electrode. The metal channels the high voltage from the spark plug wire into the spark plug so it can fire through the small gap between the central electrode and the side electrode as it goes through. That is the vital spark that begins the process of combustion. Platinum is substantially harder than nickel alloy and has a higher melting point. A single platinum plug resembles a copper spark plug with a platinum disc welded to the centre electrode, a double platinum spark plug has a platinum disc on both centre and side electrodes Platinum is much harder metal and has a higher melting point. It keeps its sharp edge much longer than a traditional spark plug, up to 100,000 miles, since platinum is harder. Longevity is a primary advantage of platinum spark plugging. Another advantage of platinum spark plugs is that they run a little hotter, which better burns contaminants off the spark plug and helps avoid fouling. Platinum also manages high heat, allowing the spark plug to wear better