This was my set up in usgt for carpet

Ride height 5
Droop - 2,5 over ride height in front and 1,5 in rear
Camber - 1,5º all around
Front toe - 1,0º toe out
Dampers TRF419 big bores
Shocks Muchmore 400 wt
Springs Muchmore X springs Red front (firm) Pink rear (medium)

Diff - Front epoxied / locked, Rear 10k (using my diff mod in this post R/C Tech Forums - View Single Post - Tamiya TT02 Thread

Car was extremely competitive. I stopped running it because of the rear portion of chassis breaking when rear axle stud would catch a pipe and break... I even broke the hardened chassis this way..