You seem to have 'Cat Racing for the nineties'. Most of the information is given in the book, but you have to read carefully in several places to get the complete picture. Be sure to read the information on 'Ruddertrack'.

It's the effects of weather helm instead of side slippage that brings up the whole issue of Toe-in. It's not used to correct mechanical deficiencies, or to correct for loading problems, or phases of the moon, etc, etc. It's weather helm.