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pre-script... boy I sure caused a commotion a few threads down... what an unhappy fellow.
Anyway driving home tonight, I noticed a strange resonance sound that is speed and not engine RPM related. I figure tire noise is a strong possibility but unsure why it would resonate at certain speeds.
I hear nothing below 55 that isn't wind rushing by or regular sound.
At 55mph I hear it a little, sort of a woooOOOOOOOOOO resonance sound. Speed up to 60 and the noise is gone. Noise is back at 63-64 and gone at 67mph. THen it came back at 73 - this is the loudest speed - but goes away at 75, back at 81mph and I didn't go much faster than that. I decelerated in gear and also in neutral, still heard the noise so I don't think its anything witht he drivetrain.
My tires are all Pirelli P6's from the Saab dealer, the two front ones I got new when I bought the car CPO back ion april, about 9000 miles ago (time to rotate maybe?)
Posts in this Thread:
- Resonance at certain speeds? tire noise?, jgARC03SW , Mon, 2 Feb 2009 19:38:05 <-- Viewing This Message
- Re: Resonance at certain speeds? tire noise?, Tom, Wed, 4 Feb 2009 07:52:15
- Re: Resonance at certain speeds? tire noise?, MontereyAero , Tue, 3 Feb 2009 15:45:34
- Re: Resonance at certain speeds? tire noise?, bobc , Tue, 3 Feb 2009 07:10:47
- Re: Resonance at certain speeds? tire noise?, jgARC03SW , Mon, 2 Feb 2009 20:41:54
- Re: Resonance at certain speeds? tire noise?, B Millar , Mon, 2 Feb 2009 20:02:21
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