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Other than a turbo going south....

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Old 04-30-2003, 04:13 PM
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Default Other than a turbo going south....

what else can make that dentist drill noise? And why is it only about 4,500 RPM do I hear it?

I know the difference between spool noise and this. This noise sounds just like a dentist drill in the upper RPM band.

Where's Pete with his turbo lady pic?!
Old 04-30-2003, 04:14 PM
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are you still getting boost? you may have just "damaged" a blade.. only appearant in upper RPM's
Old 04-30-2003, 04:17 PM
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Default Yes, car still runs great.

In chipped mode the noise is about 3x louder than in stock mode. It goes in for service Tuesday.
Old 04-30-2003, 05:09 PM
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how bad is a damaged blade? replacement or live with the noise?
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