The truth about Regular, Plus and Super gasoline.

Originally Posted by IDZRVIT Good explanation but the myth of the gas mixture "exploding" is just that. The gas mixture actually goes through a controlled burn expanding the gas from

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The truth about Regular, Plus and Super gasoline.

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03-10-2010, 04:36 PM

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kannibul

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Quote:

Originally Posted by IDZRVIT

Good explanation but the myth of the gas mixture "exploding" is just that. The gas mixture actually goes through a controlled burn expanding the gas from the combustion process through heat which pushes the piston downward on the power stroke.

If the octane isn't high enough for a given compression scenario, it does explode. This is called detonation, and it's heard as "knock"

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