|• Octane rating of a gasoline is an indication
of the resistance to premature detonation. The higher the octane number the
less likely that premature detonation or knocking will occur. The term octane
number was used because isooctane an isomer of octane was used as the
reference for an octane number of 100.
|• We will define what an isomer is in the next
|• Octane ratings for gas is typically 87, 89 or