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 ...

Dyno test of budget friendly 5.3L LS engine that makes 416 hp on 87 octane gas We put together a budget 5.7L LS engine (327 cubic inches) to show that you don't have to go broke to enjoy the ...

Premium gasoline typically has an octane level of 91 or higher, which is advantageous for keeping the engine clean and minimizing pollution, compared to the 87 octane level of regular unleaded gas.