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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
E85: Impressions?
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<blockquote data-quote="DynoDynge" data-source="post: 149520" data-attributes="member: 4651"><p>I find this thread very interesting, as it seems to fly in the face of everything I have experienced with ethanol based fuels.</p><p>The current E10, that is being sold here, ROTS in about 30 days. I can't complain, from a business stand point, as I do a lot of carb servicing due to it. Ethanol absorbs moisture from the air, undergoes phase separation & then degrades into a varnish like compound.</p><p>On a dyno, the more ethanol that is added, the less top end power is produced & roughly double the fuel (in ratio) to maintain a semblance of the original power. Some mistake the lack of top end performance as a increase on bottom end. The slow burn of ethanol requires a longer combustion time to completely burn, hence the advanced timing requirement. </p><p>When I see in owner's/service manuals that most manufacturers warn about fuel system & engine damage if any fuel containing more than 5 - 10% ethanol is used, it makes me wonder.</p></blockquote><p></p>
[QUOTE="DynoDynge, post: 149520, member: 4651"] I find this thread very interesting, as it seems to fly in the face of everything I have experienced with ethanol based fuels. The current E10, that is being sold here, ROTS in about 30 days. I can't complain, from a business stand point, as I do a lot of carb servicing due to it. Ethanol absorbs moisture from the air, undergoes phase separation & then degrades into a varnish like compound. On a dyno, the more ethanol that is added, the less top end power is produced & roughly double the fuel (in ratio) to maintain a semblance of the original power. Some mistake the lack of top end performance as a increase on bottom end. The slow burn of ethanol requires a longer combustion time to completely burn, hence the advanced timing requirement. When I see in owner's/service manuals that most manufacturers warn about fuel system & engine damage if any fuel containing more than 5 - 10% ethanol is used, it makes me wonder. [/QUOTE]
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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
E85: Impressions?
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