really depends on what your racing on and how your driving the car. I just made this while racing on the ring try it out. 700pp
ride height f 4 r -3
rate f 18 r 19=.5
dampers 8888
roll bar 4 4
camber f 2.1 r .9
toe f-.15 r .01
diff - it 19 accel 15 decel 5
aero f60 r 72