[ganun]

You know what they say, better to be lucky than.......
I'd say start by counting the turns on the steering wheel and centering the rack, then level the steering wheel on the splines, then set the toe. Keeping in mind what was said above, i.e. leveling, etc.
The track rods must be at the same angle and that is set by the same length left and right.
Castor works across, i.e. if the drivers side has more castor, the car will pull to right. A small tweak might be necessary to compensate for chassis age, wear, tolerances....

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