Hi,

Front Toe in - more straight line ability and less steering response throughtout the corner.
Front Toe out - simply the opposite of Toe in.

For 4WD vehilcles, always adjust toe out -1 to -5 at most conditions. If steering response is too much, decrease toe angle. For tracks with many high speed sweepers, you might want to try 0 degrees.

Basicly toe angle adjust steering response and sensitivity.

Regards

Joaquim