Rick's Free Auto Repair Advice

Posts Tagged: premium gas last longer

Does premium gas last longer?

Does premium gas last longer than regular gas? Debunking the theory that premium gas lasts longer than regular Most regular octane gasoline contains ethanol. Ethanol gasoline has a horrible reputation for having a short shelf life. Most small engine manufacturers state that you should not leave ethanol fuels in your small engine for longer than 30-60 days. In fact, when using ethanol gas in a small engine, most engine manufacturers highly recommend treating fresh ethanol gas with a fuel stabilizer when filling the gas can at the pump Fuel stabilizer … Read More


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