How about this setting?
Spring Rate: 20.0 / 14.0
Ride Height: 85 / 85
Damper Bound: 5 / 5
Damper Rebound: 5 / 5
Camber: 0.0 / 0.0
Toe: 0.20 / -0.05
Stabilizer: 1 / 1
BBC: 1 / 12
transmission: move final drive to 5.500 then move auto to 12
downforce: 0.52 / 0.85
LSD : 1/1 6/6 6/6
let me know how you feel