They require high octane and *no ethanol* | Hacker News

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		aidenn0 on Feb 10, 2023 \| parent \| context \| favorite \| on: The $20 an hour Cessna 172 experiment (2020) They require high octane and no ethanol

asguy on Feb 13, 2023 [–]

The engines are fine with ethanol. The problem with ethanol is the issues related to it eating at materials in the fuel system (e.g. fuel lines) that aren't alcohol tolerant.

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