When you think of Octane, what is the first thing that comes to mind? If you are anything like me you think of the proverbial "Tiger in the Tank." Well ladies and gents and other sentient beings, I am here to tell you that it just 'taint so.
Saving you the technical details, what the octane number is gas actually refers to is its "resistance" to explosion. Now trust me, this is a desirable thing. In high-compression engines there is a tendency for something called "detonation." Detonation is the spontaneous explosion of unburned fuel/air mixture after the actual spark event setting up a secondary shock wave inside the cylinder which slings the piston around in an undesirable manner causing knocking and ultimately damage to the edge of the piston crown and the rings.
A higher octane gas will explode more evenly combating this tendency. It will not, however, add any umph to your engine.
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