I'm not really a tuner but I fiddled around with the setup options and came up with this awesome tune. I'm not the best driver but I did a 1.08.533. I recommend to try it out.
F wing 9
R wing 7
Brake balance 46 54
Pressure high
Size small
F roll bar 7
R roll bar 8
F ride height 1
R ride height 2
F spring stiffness 7
R spring stiffness 8
Gear 1 76
Gear 2 95
Gear 3 111
Gear 4 131
Gear 5 145
Gear 6 165
Gear 7 184
F camber -3.20
R camber -1.40
F toe 0.07
R toe 0.29
F wing 9
R wing 7
Brake balance 46 54
Pressure high
Size small
F roll bar 7
R roll bar 8
F ride height 1
R ride height 2
F spring stiffness 7
R spring stiffness 8
Gear 1 76
Gear 2 95
Gear 3 111
Gear 4 131
Gear 5 145
Gear 6 165
Gear 7 184
F camber -3.20
R camber -1.40
F toe 0.07
R toe 0.29