Premium gas, also known as high-octane gas, can withstand more compression, but is it ideal for your lawn mower? What are the ...

The higher the octane number, the less likely it is to prematurely ignite and cause engine knock. Engine knock is basically the premature or uneven combustion of fuel in the combustion chamber.

A smaller number of stations offer VP101, VP's street-legal 101-octane unleaded fuel [the fuel used at Engine Masters Challenge], dispensed from the pump. HR] Where is VP Racing fuel refined?

Mid-grade gasoline will typically have an octane number between 88 and 90, and it offers better performance than standard gas. The higher octane levels are generally required for larger engines ...

Octane Number Rating gasoline by octane is like playing a "Bo Derek" numbers game on a scale of 0 to 100.

Most of the world classifies gasoline using only a research octane number (RON), but in the U.S. we use an anti-knock index (AKI). This averages the research and motor octane numbers— (RON+MON)/2.

It can damage your engine. Because octane is stable, it won’t ignite prior to the spark plug firing off. You can measure the octane level in two different ways. First, you can measure it while the ...

Needless to say, he knows a lot more than you, so listen up. Octane DefinedAlthough an octane number is generally associated with fuel quality, few people understand the true definition of octane.

Whenever a fuel is listed as E10, E15, E85, E100 or E##, the number simply represents the percentage of ethanol in the fuel by volume. So for example, most pump gas today is E10, meaning up to 10% ...

Unleaded gasoline. Pump octane number 87 or higher. The use of lower octane gasoline can cause persistent heavy metallic knocking noise that can lead to engine damage. Not what you want.

It says my car can handle an octane number of 87 or higher. E15 has an octane of 88, however the manual also said the car is designed to handle gasoline blended with up to 10% of ethanol, not 15%.