tuning on the road

Hi, if i am tuning a car on road/racetrack and i m adding more ignition advance to the map and i notice a knock. Does the knock damage the engine if i react on that properly right a away? whit properly i mean, lifting up my feet from a gas pedal, stopping the car and retard the timing.

hello there is not much chance that a small amount of knock over a very short time would do any damage at all unless it is a rotary