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Old 04-01-2001, 05:48 AM   #1
tmat3
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Member#: 2817
Join Date: Nov 2000
Location: NYC and Troy, NY
Vehicle:
2001 Impreza 2.5RS
BRP

Post Steering wobble after AutoX

I went to an autocross yesterday with my RS, and immediately after the 2nd run, everytime I made a turn (left or right) the steering wheel wobbled. It was as if snow was stuck inside of the wheels. But, the good news is that, once I cooled it down for a while, the wobble was gone. And, I went 3 more runs after that. Everything is normal now.

My question is, what would cause the steering wheel to shake and wobble temporarily? CJ917 who was at the autocross thinks it's the tires getting expanded and losing more contact with the road. And, I think so, too. But, any opinions???

Thanks.
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Old 04-01-2001, 08:24 AM   #2
trojan9x
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Post

were you at Nazareth? I was there too...Lots of fun (best time was a 41.113)
but anyway, it could of been becuase of tire pressure and uneven heating of the tires. (too much tire pressure in either front or back)

did you have the 31 on your car?
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Old 04-02-2001, 12:02 AM   #3
tmat3
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Makes sense. Thanks.

I was actually at the autocross in my college in Troy, NY. My college holds our own autocross based on SCCA rules. I've been attending autoX's at my college since 1997 (w/ 3 different cars). Fun stuff.
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Old 04-02-2001, 06:22 AM   #4
tomas
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Were you accelerating or braking while cornering? If you were braking then it might be a problem of warped rotors. Letting them cool down for a while might have helped that. If you were accelerating then I have no clue. That sounds very odd. It could be your tires not heating evenly but as long as you had relatively even air pressure in them you should have been ok (on street tires anyway).

hmmm....
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Old 04-02-2001, 07:57 AM   #5
brimard
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tmat3, autocrossing at RPI eh? I went to a few when I was out there. Remember the kid with the VW Passat cutting up the course. Let's see, somebody would run a Mark VIII every so often, a few F-bodies, Starion/Conquest, and a Porsche 944 were the cars that I remember. Heard the club is hitting the drag strip now?

Aiming for my first full season of autocrossing with the Boston BMW club this year at Ft. Devens, gonna be fantastic. Much bigger (and faster) course than RPI. Top speed is around 60 mph. Of course, for $20 for four runs, it had better be.

-beanboy
RPI '98

[This message has been edited by brimard (edited April 02, 2001).]
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Old 04-02-2001, 09:36 AM   #6
cj917
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FYI, you can see tmat3's RE92's sidewalls turning brown (due to too much sidewall flex?)
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