Not trying to be a smartass but are you sure TC is off? With TC activated, that is exactly what happens in a sharp turn, it feels like someone has cut the fuel supply making for a jerking feeling(looks quite embarrassing as well). Next time you experience it take a look at the dash and see if the wheel slip (TC) light is lit.
Ok problem solved. I can't believe how much harder the car pulls now. The front end comes up now...not the wheels of course...but I can see the front of my car rise with very little wheel spin if launched at 2000 rpm then gradually accelerate.