Quote:
Originally Posted by SmokinJoe
The sound is not what some would call a knocking sound like a rod knock or anything like that. It’s pre ignition which sounds like a tin can with marbles in it being shaken. Only happens under heavy load when the boost is ramping in hard. Very few videos capture the sound of pre ignition also known as spark knock.
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so it makes the noise while you are on the throttle climbing rpm.. got it👍🏻