996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Wet wobble at 75 MPH?

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Old Oct 24, 2010 | 12:26 PM
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Wet wobble at 75 MPH?

I have checked this out a number of times now and it seems really consistent. If it is raining I get a definite wobble in the steering wheel from 70-75 MPH and up. Dry roads - nothing.

I have stock size PS2s for rubber with about 10,000 km of use - no track - lots of wear left.

Does anyone else experience this?
 
Old Oct 24, 2010 | 12:36 PM
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common problem for some wheels, particularly deep dish wheels...they collect water and it causes an imbalance
 
Old Oct 24, 2010 | 12:37 PM
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Interested in seeing what the issue is. I usually dont take the TT if its raining, but sometimes it cant be helped. Have not noticed anything like this myself.

Justin
 
Old Oct 24, 2010 | 12:38 PM
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...and boom, Chuck with the answer!
 
Old Oct 24, 2010 | 12:45 PM
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Its the wheel design. Deep dish with reverse lips
 
Old Oct 24, 2010 | 04:49 PM
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rainex????
 
Old Oct 24, 2010 | 05:58 PM
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Learn something new every day....Never thought water could collect on the wheel to cause any imbalance issue. I thought it might be the result of undercarriage/body component deflecting water somehow on the steer tire/wheel assembly. Very interesting.....
 
Old Oct 24, 2010 | 06:16 PM
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Yup. If you have deep dish wheels, don't drive in the rain or carry rags to sop and squeeze out the water...and then carry hand cleaner as you will now have black, wet brake dust on your hands...or just let it wobble until the water evaporates...a few days later...
 
Old Oct 24, 2010 | 06:34 PM
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I guess, I could just keep it under 75...
 
Old Oct 24, 2010 | 07:05 PM
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I had a set of reverse lip HREs on my old car that did the exact same thing.
 
Old Oct 25, 2010 | 07:52 AM
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Originally Posted by Divexxtreme
I had a set of reverse lip HREs on my old car that did the exact same thing.
HRE's are an easy fix. Most models have a fairly large groove on the inside of the barrel of the wheel. A thin bead for clear silicon in that grove does the trick.
 
Old Oct 25, 2010 | 06:17 PM
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Ahhh... so is it the fact that you are accumulating some weight in the wheel barrel? That might explain a wobble a buddy was having with his HREs that had a lip on them too.
 
Old Oct 25, 2010 | 06:58 PM
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it seems like everyday I learn a new reason to go back to stock wheels
 
Old Oct 25, 2010 | 09:40 PM
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LOL... yea looks like there is a reason they design them without the barrels being that large. There must be some kind of aerodynamics going on that pushes the water to make it collect on the barrel.
 
Old Oct 26, 2010 | 07:34 AM
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Water in wheels,I have sams problem. Would glueing a plstic or aluminum blade in there at a angle splash it out?
 


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