I hesitate to mention it, because I'm very far from experienced, but I found what seems to be a good setup for the HRT. (Yes, I drive the HRT for fun...I'm perverse like that.) I can get consistent sub 1:57s with this, which might not seem good until you recall it's the HRT. Anyway, here 'tis:
Aerodynamics
Front Wing Angle: 11
Rear Wing Angle: 1
Braking
Balance: F 50% - R 50%
Pressure: High
Brake Size: Small
Balance
Ballast Distribution: F 50% - R 50%
Front Anti-roll Bar: 1
Rear Anti-roll Bar: 7
Suspension
Front Ride Height: 3
Rear Ride Height: 5
Front Spring Stiffness: 11
Rear Spring Stiffness: 1
Gearbox
Gear 1: 120 kph
Gear 2: 149 kph
Gear 3: 178 kph
Gear 4: 208 kph
Gear 5: 241 kph
Gear 6: 275 kph
Gear 7: 311 kph
Engine
Throttle map: Fast
Alignment
Camber front: -1.50
Camber rear: -3.00
Toe front: 0.15
Toe rear: 0.20