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Monthly Archives: July 2021

Understanding Fuel Grades: Regular vs. Premium

Understanding Fuel Grades: Regular vs. Premium

If you've owned your car for a while now, you probably know what kind of gas it takes. However, you'd be surprised to know that some people have no clue what the differences between regular and premium gas are. Some people associate their names or numbers with quality and performance; however, that is a common misconception.   What Is The Difference in Octane Levels? Octane is the measure of gasoline's ability to resist igniting before the spark plug goes off. Both fuel and air are compressed in the engine's combustion chamber. When the pressure in the chamber reaches a specific point, the gas will combust. You want your spark plugs to ignite the gasoline at precisely the right time. When your gas combusts prematurely, you will hear knocking sounds which usually signal damage.   All gas stations supply three octane grades, and the law states that they have to be listed as premium, midgrade, or regular. Some places even have their 93 octane top-tier fuel l ... read more

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