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Help! High speed vibration. Rims are perfectly balanced. Control arms are solid.

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Old 09-24-2007, 03:33 PM
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Default Get them roadforce balanced... probably a bad wheel or tire in the bunch...

I had the same problem, balanced a couple times on regular machines, but the roadforce machine found an out of round tire.
Old 09-24-2007, 05:04 PM
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Default Another vote for tires/wheels. These cars are very, very sensitive to any causes of

vibrations. are you running on Continentals by any chance?
Old 09-24-2007, 05:16 PM
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I am gonna put on my winter tires/rims and see what happens.
Old 09-24-2007, 05:16 PM
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Alignment was done less than a month ago.
Old 09-24-2007, 05:18 PM
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Default 2nd on the roadforce balancer. Picked up 2 bent rims and a bad tire the dealer missed..

same symptoms you have at 50 and 70, drove me crazy.
Old 09-24-2007, 05:18 PM
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I am running P-zero Nero and this is my 2nd set of neros so I don't think it's a tire issue.
Old 09-24-2007, 07:10 PM
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Can it balence out small bends?
Old 09-24-2007, 08:14 PM
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UPDATE! Vibration is GONE! I think I bent another set of BBS. =(
Old 09-25-2007, 03:07 AM
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BTDT with my OEM nine spokes. Did you put the winter set on?
Old 09-25-2007, 06:54 AM
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Default Yep, put back the 16" stock rims with winter tires on. Ride extremely smooth now.

I guess I will get a set of 17" STOCK rims instead of running 18"/19". I don't want to take the risk again.


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