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SVTPerformance's Chain of Restaurants
The Distillery
E85 eating main bearings???
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<blockquote data-quote="bambinov8" data-source="post: 11547820" data-attributes="member: 68126"><p>We all know that E85, when compared to “normal” gasoline (which is about 10% ethanol), is fairly acidic. This acid has the ability to neutralize some of the lubricating ability of normal engine oil, but only mildlyso. In fact,I would guessthat regular old motor oil would breakdown more from heating and cooling over the course of 5,000 miles than it ever would from the acid inherent in E85. Normal E85 isn’t much of a threat to engine oil – the issue occurs when normal E85 becomes contaminated with water.</p><p></p><p>The combustion process of water-contaminated E85 will lead to the formation of a strong acid (formic acid, to be exact). This acid, left unchecked, has the ability to cripple an engine because it can 1) dramatically reduce the lubricating ability of normal motor oil and 2) eat away at the high-tolerance metal engine components. E85 with water contamination, in a normal engine, is dangerous stuff. Changing the oil frequently is a good insurance policy for a normal engine running E85, and this is probably the basis of this recommendation.</p><p></p><p>HOWEVER, if you’re running E85, you’re probably not driving a normal engine! Vehicles that are factory capable of running E85 have specially coated pistons and valves that are less susceptible to acid wear. Moreover, if you’re driving your factory flex-fuel vehicle with E85 and you’re using the factory recommended E85 oil blend, your oil has an extra dose of detergents that designed to neutralize any acid that might form</p></blockquote><p></p>
[QUOTE="bambinov8, post: 11547820, member: 68126"] We all know that E85, when compared to “normal” gasoline (which is about 10% ethanol), is fairly acidic. This acid has the ability to neutralize some of the lubricating ability of normal engine oil, but only mildlyso. In fact,I would guessthat regular old motor oil would breakdown more from heating and cooling over the course of 5,000 miles than it ever would from the acid inherent in E85. Normal E85 isn’t much of a threat to engine oil – the issue occurs when normal E85 becomes contaminated with water. The combustion process of water-contaminated E85 will lead to the formation of a strong acid (formic acid, to be exact). This acid, left unchecked, has the ability to cripple an engine because it can 1) dramatically reduce the lubricating ability of normal motor oil and 2) eat away at the high-tolerance metal engine components. E85 with water contamination, in a normal engine, is dangerous stuff. Changing the oil frequently is a good insurance policy for a normal engine running E85, and this is probably the basis of this recommendation. HOWEVER, if you’re running E85, you’re probably not driving a normal engine! Vehicles that are factory capable of running E85 have specially coated pistons and valves that are less susceptible to acid wear. Moreover, if you’re driving your factory flex-fuel vehicle with E85 and you’re using the factory recommended E85 oil blend, your oil has an extra dose of detergents that designed to neutralize any acid that might form [/QUOTE]
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SVTPerformance's Chain of Restaurants
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E85 eating main bearings???
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