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Anyone have a mild vibration range at 4k RPM?

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Old 03-21-2001, 07:17 PM
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dsl
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Default Anyone have a mild vibration range at 4k RPM?

Just checking to see how consistent the S4 engines are. I have a mild vibration range somewhere between about 4,100 and 4,400 RPM. Nothing serious, just a mild buzz that makes me unconsciously select a fast or slow engine speed to cruise at. Anywhere above or below that speed and the engine is silky. However, does seem to be smoothing more with miles (only 2k now).
Old 03-21-2001, 07:40 PM
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Default I believe that's around where the V-Van-Tec-i kicks in...

mad DOHC power y0!!!
Old 03-25-2001, 09:42 PM
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Default i have it too (more)...

and it's along a slightly wider rev band. like you, i try to avoid puttering through that part of the rev range, i don't hang around in there... i'm not too fond of it, and it's on my short list of things to politely discuss with my service advisor...
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