Quote:
Originally Posted by ericdrum
I'm not really sure though if I would recognize knocks and pings as I've never heard them before or at least recognized them.
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It sounds slightly metalic, like something is hitting the walls of a tin can. Similar to shaking a can of spray paint.
Have you ever heard an old engine that has problems with "Dieseling"? (Where you turn the engine off and it keeps going off pace for a few revs). It sounds really similar to that, but a little bit more rythmical.
Listen to your engine well before putting in 85. If you notice a difference, then that difference might be what you're looking for. I'd bet that you won't notice a difference. Like I said, I have not had any problems with 85 Octane.
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Addicted to anything that has an engine and rolls.
