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Alignment question- did reaserch already

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Old Feb 15, 2005 | 07:50 PM
  #16  
Slowride's Avatar
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From: Southeast US
Originally Posted by Kayaalp
Not to be a dick...but this gets asked a million times a day on this forum but it is not a question that anyone can really answer.
OK...then I'll provide more info.

Evo MR, it's my daily driver. I don't track it, though I'd like to sometime. I do autocross, though. I'll be running in A Stock with sticky R compounds. I'm not terribly comfortable with oversteer on the street--wouldn't want much more than stock. My previous car was an understeering pig (STi).
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Old Feb 15, 2005 | 07:52 PM
  #17  
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Originally Posted by Kyperion
the one I listed above worked really well for me last year. with an MR, you might be able to get away with as high as -2.00 neg camber in the front since you ahve the better Centerd and front Diff's than I do.
Thanks. That gives me something to work with.
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Old Feb 20, 2005 | 02:01 AM
  #18  
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Does anyone have any experience with this settup? Or will anyone offer a projection as to how the car would handle with these specs:


-2.0 camber, L/R fronts, 0 toe
-1.0 camber, L/R rears, 0 toe

I assume that with these specs it will overstear like a RWD car?

Thanks,
Chris
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Old Feb 20, 2005 | 05:58 AM
  #19  
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From: NJ
Originally Posted by TexasRS
Or will anyone offer a projection as to how the car would handle with these specs:

-2.0 camber, L/R fronts, 0 toe
-1.0 camber, L/R rears, 0 toe

I assume that with these specs it will overstear like a RWD car?
Not at all. That sounds like a very reasonable setting. You should still get a decent amount of understeer, but not too bad. If you really want RWD style oversteer, you'll need a touch of toe-out in the rear.

BTW, most stock Evo suspensions won't let you get a full 2 degrees of negative camber up front. Mine maxed out at only -1.8 degrees, but I'm sure there's some car-to-car variation.

Emre
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Old Feb 20, 2005 | 07:20 AM
  #20  
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I ran -1.8/-1.0 with 0 toe for most of last year, along with a 25mm rear sway bar set to the middle of three positions. The car was very neutral - just a bit of understeer present, but much less than stock. I also had Tanabe springs on the car for most of the year. Before the last DE I put on a set of RRE JIC's and went to -2.5/-1.0 with 0 toe and that dialed out some more of the understeer. I have some new specs I'll be trying out this year though.

For context I guess I should add this was for Solo2 and DE's at Putnam Park, Mid Ohio, and Nelson Ledges, and this year I will be a "B" group driver.
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Old Feb 20, 2005 | 03:49 PM
  #21  
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Originally Posted by 992gnt
I ran -1.8/-1.0 with 0 toe for most of last year, along with a 25mm rear sway bar set to the middle of three positions. The car was very neutral - just a bit of understeer present, but much less than stock. I also had Tanabe springs on the car for most of the year. Before the last DE I put on a set of RRE JIC's and went to -2.5/-1.0 with 0 toe and that dialed out some more of the understeer. I have some new specs I'll be trying out this year though.

For context I guess I should add this was for Solo2 and DE's at Putnam Park, Mid Ohio, and Nelson Ledges, and this year I will be a "B" group driver.
BBY AutoX

Another part of the alignment equation is whether you have springs or not. If you have lowering springs that helps in the front to allow for a full -2 camber. To get into the oversteer setup, you would need toe out-in the rear, (not safe for street driving IMHO as mentioned above.), You might also need stiffer rear sway bar, and I would recommend a strut tower brace. Those last two (Sway & BAR) mods will necessitate a choice on whether you will run Solo2 AS, or ESP. A choice I leave to you. While the last two may not be necesary, setting toe out in teh rear without adressing overall car balance may ust lead to more 4 wheel drift than overstter. The back steping out, and the front pushing as well. AS always that is just my .02
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Old Feb 21, 2005 | 11:24 AM
  #22  
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jfh
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Just had mine aligned today. I have Hotchkis springs and rear bar at the stiffest setting. Car still had mild understeer. I got all the available negative camber available in the front with the factory hardware. I had to sacrifice some negative camber in the rear to avoid unwanted toe-in. New settings are shown below.

Left front: -1.6 camber; 3.5 caster, -.02 Toe Right front: -1.9 camber; 3.3 caster; -.01 toe
Left rear: -.9 camber; .01 toe Right rear: -.7 camber; .01 toe

Any efforts to increase the rear camber required additional toe-in so I opted for the max camber available with the near 0 toe settings in an effort to mitigate understeer.

I am not positive which option has the most impact on understeer, more negative camber or less toe-in. I went with less toe-in.

Anyone care to share their insights?
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