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      11-13-2012, 08:44 PM   #7
M3SQRD
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Drives: E92 M3s, R56 Cooper S
Join Date: Jun 2009
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Quote:
Originally Posted by Porschefile View Post
Bump for an update. I have played with the settings a bit.

I ran rec'd settings, R: 6/9 C: 6/6, and found it had a little understeer on corner entry and mid corner. This is with -2.5 camber and 0 toe.

I softened front rebound to 9, to make it R: 9/9 C: 6/6, and it noticeably worsened the understeer. It made the car push bad with my setup and driving style (295/265 AD08).

Returning to the rec'd settings cured the understeer (mostly). I then stiffened front rebound 2 clicks to see if that would completely eliminate understeer, and did not notice a substantial difference between rec'd settings and R: 4/9 C: 6/6. I am now back to the rec'd settings.

It is my thinking that the stagger I have is causing my understeer issues, which should be cured by my new 18x10 275/275 conti slick setup. I will report back after testing. I will say that even though the car understeers some, it drives amazingly on track and is much more planted than stock. My 2c.

Edit: I would like to get input from other KW CS drivers, perhaps there is something I'm missing that is causing mild/moderate entry/mid corner understeer. I read JAJ's post(s) many times and I know he was pleased with R: 11/11. I don't know if the difference is stock PS2 vs. wider AD08, or driving style, or some other factor. More knowledgable folks please chime in.
Is your understeer during initial turn-in, transitions or over bumps, etc (i.e., transients/transitions/when the damper is working) OR steady-state understeer? It sounds like your issue might be steady-state understeer which would be addressed with different spring rates, alignment settings (e.g., more F toe out), sway bar settings or ride height changes (e.g., try raising the rear height, leaving the front alone).
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