Although my car doesnt seem to have performance issues (2SS A6), I'll admit its been a long time since I've driven a V8. So I might be wrong. I'd have to test it at a track to be sure. But right now I'm still in the break-in period and babying it.
However I will say that I've had some issues with the car making a knocking or pinging noise occasionally from the engine compartment. At first I was concerned that maybe it was something to do with the oil, but I checked it and it was full. So I think the issue has something to do with bad gas.
I've been filling up at Cheveron a lot and regardless where I go I've been getting premium. I can only find 91 where I live. It's also hot here (110).
In any event I'm going to use a different gas station chain to see if it resolves the issue. If not I'll mention it when I take the car in for the first oil change at 1500.
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