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It is a question concerning the IRIDIUM TOUGH that is often.
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| The flame is rapidly spread for quick combustion in comparison to a normal spark plug. |
| By decreasing the cooling effect of the center electrode has on the growth of the flame kernel, IRIDIUM TOUGH forms a stronger flame kernel for ensuring ignition. The result is faster spread of combustion, more stability and improved engine performance in comparison to normal spark plugs. A combustion chamber observation device has been used to show in the photographs below the spread of combustion for IRIDIUM TOUGH and a normal spark plug. |
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| Clearly the result is a much faster spread of combustion with IRIDIUM TOUGH. With IRIDIUM TOUGH, combustion has spread throughout nearly the entire combustion chamber within 4/1000 seconds of discharge. The normal spark plug has only spread half as much in that time. The regular plug also fails to spread the flame in some occurrences. The same combustion results occur in an actual engine, becoming a good reason to choose the high performance of 0.4mm iridium center electrode plugs. |
