This octane booster will significantly raise the octane of premium fuel (91 octane) to 102 octane when using a 32-ounce bottle with 10 gallons of gas. When using a 32-ounce bottle with 5 gallons of ...

Octane ratings refer to the stability of fuel, and dictate at which pressures the fuel will spontaneously combust. Engine knocking can happen when the octane rating is too low, resulting in pinging ...