Quote:
Originally Posted by Kenneth Neal
I have been unable to find any objective and independent scientific evidence that products like Sea-Bil really work. There is plenty of anecdotal evidence and manufacturers claims about what a terrific product it is. Can anyone produce any scientific evidence to support claims of efficacy? How does Sta-Bil work? This inquiring and skeptical mind wants to know. I've never used a gasoline stabilizer and have never had any problems with starting and running my MH, generator, lawn mower or outboard motor.
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The active ingredient in Sta-Bil is a food grade anti-oxidant developed to keep mold from growing on bakery products. No one likes moldy cup cakes. Since wheat is a carbohydrate and gasoline is a hydrocarbon, the same yeast/bacteria family is responsible for the degradation.
Sta-Bil has no effect on the degradation of gasoline due to vaporization. The volatile components of gasoline are necessary in order to start a gasoline engine, as gasoline will only burn in its vapor form. Liquid gasoline will not burn. Over a period of time, gasoline not kept in a sealed container will loose some of its volatile components. Usually what is lost first is the higher octane rated hydrocarbons. What remains is the straight chain hydrocarbons like heptane which has an octane rating of zero.
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