Quote:
Originally Posted by CWIweldace
Octane rating
From Wikipedia, the free encyclopedia
The power output of an engine depends in part on the energy density of its fuel, but similar fuels with different octane ratings have similar density. Since switching to a higher octane fuel does not add any more hydrocarbon content or oxygen, the engine cannot produce more power.
Source== http://en.wikipedia.org/wiki/Octane_rating
Why do people believe all the nonsense other people write? Andyrew, 50 HP? you're crazy. Octane slows the fuel burning so that it burns while the piston is on the downstroke, therefore the energy is released on the downstroke rather than the upstroke causing power loss and ping. Octane does not add any more energy to the fuel mixture that is not already there. It does not help clean your engine. It has none of those properties. It is only neccessary in high compression engines to prevent knock. If your engine is tuned properly and there is no knock present, adding octane is simply a waste of money.
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You're absolutely right. It's an anti-knock agent, nothing more. Merely an old wives' tale placebo effect these guys are "feeling".
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