Thread: Premium gas?
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Old 08-31-2002, 11:35 AM
hradek
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Octane

Octane = Primarily the level of anti-knocking additives added to fuel. The higher the number, the greater amount of this additive. Octane, according to the source, does not directly affect power or economy. Your engine, with its knock sensors and others, decides how to perform upon these readings.
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