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Originally Posted by zoedragon I didn't know putting octane too low for your car could damage it. How does it do that? I know higher octanes can leave gunk in an engine that doesn't need it, but what does lower octane do to an engine that needs it to be higher? Doesn't it just burn the fuel less efficiently? I'd like to understand. |
The lower the octane #, the easier it is for the fuel to ignite. When fuel in an engine ignite when it is not suppose to, it causes different forces to be in conflict with each other.
imagine a piston going up on a compression stroke and the gas ignite before the stroke can be completed. The force of the premature gas ignition force the piston to go back down when it is not suppose to. This put alot of stress on your rods.