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Politics : Politics for Pros- moderated
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To: Rambi who wrote (212892)7/21/2007 11:49:51 AM
From: Stevefoder  Read Replies (1) of 794033
 
91 is recommended. What's the difference? And will I kill the car?

It never hurts a car to use a higher octane.

The higher octane is a measure of the gasolines ability to resist detonation or knocking (ping you may hear during combustion). You do not want gasoline to explode in the engine, you want it to burn. A high compression engine needs a higher octane to prevent the explosion (knocking).

If you use a higher octane than necessary all you are doing is wasting money.

If you use an octane that is too low then you can have knocking and can damage the engine.
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