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What's the true octane level of E-85?

The pump says 105 but web pages I've read say between 94-97. Just don't know what to believe.

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The real octane rate for E85 is 95.8 in the US. This rate varies from one country to another. The ethanol rating is 113 while the anti-knock index is 104. You can get some information about E85 on

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