87 octane gasoline, often called "regular" gas, is one of the most commonly used fuels in the United States. But what gives it that 87 rating is a word you've probably heard a time or two: Ethanol.
In the early 2000s, enthusiasts started draining 93 octane gas and filling up with ethanol-based E85 fuel. It allowed for more timing and boost, letting the hardcore crowd enjoy the increased octane ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results