Quote:
Originally Posted by Dewmudgeon
sorry i sound like such a noob, but in the first page of posts i am reading about pinging. whats that?
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Pinging=knocking= The air/fuel mixture ignites on it's own prior to the spark plug firing and the explosion bangs into the piston while it is still traveling up in the cylinder and can destroy an engine in short order.
More octane actually reduces the combustibility of gas, not improves it as many people think. That is why using higher octane in an engine not tuned for it usually causes a reduction of power.