Here is a good setup for nexus:
Front:
springs 20
split caster
10 deg blocks
crc extra heavy lub on king pins
1.5 camber
3.5 mm ride height
servo flat
black tires
Rear:
2.0 T-bar
30 wt shock oil
green spring
1.5 droop
crc heavy lub on side dampers (white cap)
3.5mm ride height
yellow tires