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Old 09-01-2003, 10:33 AM   #1
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Join Date: May 2003
Chapter/Region: SCIC
Default Spun out this morning! (Or, How to correct understeer w/ tire pressure)

On my way to work (I know, Labor day) 5:45 AM, headed down Sunset Bl in Beverly Hills. All the sprinklers are on in the median divide; the road is fully wet. I take the left onto Foothill through the running water on the road at 50 like I do every morning...

Now I need to tell you that I have been looking to reduce the understeer on my TS. I installed a 17mm RSB off a WRX wagon, and a couple days ago I found the thread about tire pressures and how to tweak them to modify oversteer/understeer. Two days ago I put 34F and 39R (just for fun!).

...I start to straighten the wheel, but ? what's that ? I hear tires squealing and feel my rear sliding out and around. A lot. Counter steer, hit the gas. There's a parked car on the opposite side, it's not a wide street. F-it. I hit the brake and slide to a stop in the middle of the road.

I can't keep the smile off my face! Blessed oversteer! Now I know 1) tweaking tire pressures works in a not-so-subtle way, and 2) Be a little more progressive when trying out new mods.

I can't wait until it rains here, good for practice.
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Old 09-01-2003, 10:17 PM   #2
Turbo X
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02 Impreza WRX


Be sure you practice on a open parkin lot or something.
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Old 09-02-2003, 07:01 PM   #3
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2003 Silver WRX
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Practice in between big and little Santa Monica where they are doing all that construction. I'm convinced they're building a rally course just for me.
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Old 09-02-2003, 10:30 PM   #4
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04 STi


i think u might want to review your methods of correcting oversteer??? I learned at driving school to correct oversteer by lifting the gas slightly and not braking. Braking or over correcting will cause the back end of the car to slingshot in the other direction and cause u to loose control of the car and possibly spin in the other direction. Just a word of advice, but make sure to stick to things your comfortable doing. I curbed my rs pretty bad doing stuff like that in the rain.
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Old 09-03-2003, 02:14 AM   #5
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92 Legacy Rally EG33'd


4wd car + oversteer = floor it.
everybody whos pushed their suby at autoX and other places knows this.
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Old 09-03-2003, 03:11 AM   #6
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Originally posted by biggreen96
4wd car + oversteer = floor it.
everybody whos pushed their suby at autoX and other places knows this.
I did this one morning on a snow packed road. I was making a left turn and started getting sideways. I stayed on the gas and started putting the car straight but went a little too far. So now I'm pointing right and trying to go left. I cut again and spin the car to the left and up onto a snow bank. It gave my passenger the scare of his life. I then put it in reverse and backed down off of the 3ft snowbank. I had more fun in those few seconds than I did in the whole day of skiing.

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Old 09-03-2003, 12:50 PM   #7
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So...did you add the sway bar AND mess with the tire pressure? I thought the sway bar alone would have helped out with the understeer. Did you experiment with the sway bar first then with the tire pressure.

I am about to put a stock WRX sedan sway bar on my WRX wagon to help out with the understeer. I'll try the tire pressure trick before I put the sway bar on to see what happens.
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