REFLECTOR: Tru-Trak question

[Tom]

Just received an ADI PilotII TruTrak autopilot today. Noticed that there 
are two different servos in the packaging, one of which has a larger 
motor than the other. There is no mention in the instructions about 
which servo to use for pitch vs roll (probably because of all the 
different applications). Question is, which function (pitch or roll) 
needs the larger motor servo? Both are fairly light as far as stick 
pressures but my best guess would be using the bigger servo for pitch as 
that can vary more greatly with lack of trim. Opinions welcome. Thx Tom