Originally Posted by petk

I don't know the circuit in question at all, but would suggest following for an outdoor track. Start practice at FDR 5,0, and watch the brushes and the temperature. You can probably go to 4,5 or lower, pending on the outside temperature and track layout.

Go for a can temperatur of 70C, and watch for discoloration of the brushes. The motor handles the heat pretty well, so for the finals you can probably go up a tooth, and change brushes.

Best,
Peter