Here's a clip pasted from my MS3 instructions (which is a t-bar car):

Shock Angle/Pod Droop: Raising or lowering the nose of the center shock will affect
the on power steering. Raising the nose will increase on power steering. This is done
by adding up to 3mm of shims to the stock Asc Shock/Ant Mount. Lowering the nose of
the shock will reduce steering on power. This change will alter the rear pod droop which
also affects on power steering. 0 is more on power steering while -2 is less. Try various
combinations during testing. These can be valuable subtle adjustments once qualifying
starts. Set the car up with no shims under the nose ball stud and with -1mm pod droop.


I feel that raising the nose of the shock and pod droop have more of an effect with "on-power" steering then "off".
Brian