I'm not vastly experienced at autox so take this with a grain of salt.

I'm running the stock KDWs also. First time out I ran 35psi all around. Found out later that really wasn't high enough compared with what the experienced guys were running. On that day the car had a full tank of gas and was really pretty neutral. Had some understeer but that was pretty easily controlled.
Next time out I upped the pressure to 44psi all around and thought I'd help the car by running the fuel down as low as possible. The thing pushed like a pig!
This week I'm going back to the full tank of fuel and probably 46psi in the front and 38-40psi in the back. We'll see what that does for the push.
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Chris
2000 SVT