? What is octane?
Octane refers to a measure of a fuel's ability to resist "knocking" or "pinging" during combustion in an internal combustion engine. It is a standard unit used to rate the performance of gasoline or petrol. The octane rating of a fuel indicates its resistance to detonation caused by the air-fuel mixture in the engine igniting prematurely.
In simple terms, knocking or pinging occurs when the air-fuel mixture ignites before it's supposed to, resulting in an uncontrolled explosion in the engine cylinders. This can lead to engine damage and reduced performance.
The octane rating is displayed as a number typically seen at gas stations, such as 87, 89, or 93. The higher the octane number, the more resistant the fuel is to knocking. Higher-octane fuels are commonly used in high-performance or high-compression engines that require better resistance to detonation.
It's important to note that using a higher octane fuel than required by the engine does not provide any additional benefits and is not necessary. In vehicles designed to run on regular (87 octane) fuel, using a higher-octane fuel will not improve performance or fuel efficiency. However, in engines specifically designed for higher-octane fuels, using a lower-octane fuel than recommended can result in knocking and reduced performance.
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