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Originally Posted by zeoth
I agree. All fuel from the same supplier has the same cleaners. The only difference is octane which controls how fast fuel burns. Normally older cars can't handle the difference but today's cars are full of sensors and can detect a difference in the octane of the gas and thus change it's fuel mapping and ignition cycle accordingly.
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Octane does absolutely nothing it is simply a unit of measure.
Just like ohms in electrical / electronics which is a measure of resistance to current flow.
A number of modern vehicles use " knock sensors " when the pinging ( another term for knock ) is detected the ECU will change things like timing to compensate.
Stay with the automaker's recommended fuel.
