Originally Posted by Mike@GTM

The VDC was left on. Our Traction Control system reacts so much faster than the stock VDC, that the ECU doesn't have time to even think about closing the throttles down on you before traction is restored. You can leave the VDC on or off depending on how you want the car to drive. For example, you can setup our traction control to allow a little more sideways action before kicking in. In that case, you would want the VDC off so you can hang the tail out more. In cases where you want minimal wheel spin, you can leave the VDC on and have the traction control system maintain maximum grip for you.