(of gasoline) a designation of antiknock quality, numerically equal to the percentage of isooctane by volume in a mixture of isooctane and normal heptane that matches the given gasoline in antiknock characteristics.
An octane rating, or octane number, is a standard measure of the performance of
an engine or aviation fuel. The higher the octane number, the more ...
Octane rating is a measure of a fuel's ability to resist 'knock'. The octane
requirement of an engine varies with compression ratio, geometrical and
The octane rating of gasoline tells you how much the fuel can be compressed
before it spontaneously ignites. When gas ignites by compression rather than ...
Jan 20, 2012 ... If you see a high octane rating for a given gasoline, what does that really tell you?
That you'll get better mileage and more power? Or does it tell ...
Mar 30, 2016 ... Or, in layman's terms, the higher the octane rating, the less likely the fuel is going
to pre-ignite (read: explode unexpectedly) at higher pressures ...
Octane rating is the measure of a fuel's ability to resist "knocking" or "pinging"
during combustion, caused by the air/fuel mixture detonating prematurely in the ...
Sep 30, 2011 ... What's the difference between premium and regular fuel? What does that octane
rating number represent? This video explains why cars with ...
Sep 17, 2012 ... EVEN at the cheapest petrol station in your correspondent's neighborhood, filling
up the family kidmobile with premium (91 octane) fuel now ...