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Old 10-17-2009, 06:58 PM   #2
Kurt W
Registered User
 
Join Date: Dec 2007
Location: Arizona
Posts: 23
Mine does that exactly as you describe. I think I recall something about vario-cam action at that speed. I do know that mine has made this sound since the day I got it and no ill effects.
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Kurt Weber
http://home.comcast.net/~kwinaz/porsche/DSC_0005_1.jpg
2004 986S
Tucson, AZ
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