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Basic question... Engine flooding

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Old Mar 29, 2001 | 03:20 PM
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Alan84TA's Avatar
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From: Raytown, MO
Basic question... Engine flooding

I'm just curious.. I know of course that when you get too much gas in the engine it floods it but I've always wondered what is actually going on. If there is a bunch of gas in there and the spark plug fires wouldn't it just blow as flammable as gas is? or does it need more oxygen? Just not sure on the reason behind it.
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Old Mar 29, 2001 | 03:48 PM
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From: Loveland, OH, US
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Too little oxygen. Gasoline by itself is pretty inert, only burns when there's air around. Unlike some other fuels which have oxygen in their molecules.

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Old Mar 29, 2001 | 04:41 PM
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You can drop a match in a bucket of gas and it will fizzle out IF THERE ARE NO FUMES! The fumes (a mixture of gas/air) that rise off the gasoline are what ignite. Like RB said gas by itself is inert but add enough air (oxygen) in the mix and BOOM!

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