I tend to lower the steering ratio because I like to have a more responsive GT3 when I turn my wheel while putting very little angle.
Don't hesitate to raise the steering ratio by 1-2 clicks if you are used to playing with more steering ratio.

TC: - I recommend the TC6 to be safe.
      - TC5 if you are good on the 296
      - TC4 maybe for the hairpin

HotLap/Qualifying lap adjustement:
- Front Target psi tyres at the end of the lap 26,9-27,0 
- Rear Target psi tyres at the end of the lap 26,9-27,0
- Front Toe: decrease 1-5 clicks if you want more turning OR increase 1-5 clicks if you want more stable (it depends on the feeling of player)
- Rear Toe: decrease 1-4 clicks if you want more turning OR increase near to 0,00 if you want more stable OR don't touch
- Front Antiroll Bar: decrease 1 click if you want more turning  OR increase 1 click if you want more stable OR don't touch
- Rear Bumpstop Rate: decrease near to 16 if you want more turning and if you are good with the 296's rear
- Rear Ride Height: increase 1 click if you want more turning but it's more tricky OR don't touch
- Rear Wing: decrease 1 click if you want more speed for the S2 and if you master the 296 or increase 1 click if you want more stable but you'll loss 0,150-0,200s in the S2

Race adjustement (advice): Adjust based on race duration. For 15 minutes, you can keep the qualifying setup. For endurance with a 1h/1h10 stint, opt for a slower setting for pure performance but consistent over the duration of the stint.
- Front Target psi tyres at the end of the lap 27,1-27,2 
- Rear Target psi tyres at the end of the lap 27,1-27,2
- Front Toe: increase 1-5 clicks if you want more stable (it depends on the feeling of player)
- Rear Toe: increase near to 0,00 if you want more stable OR don't touch
- Front Antiroll Bar: decrease 1 click if you want more turning  OR increase 1 click if you want more stable OR don't touch
- Rear Bumpstop Rate: decrease near to 16 if you want more turning and if you are good with the 296's rear
- Rear Ride Height: don't touch
- Rear Wing: decrease 1 click if you want more speed for the S2 and if you master the 296 or increase 1 click if you want more stable but you'll loss 0,150-0,200s in the S2
- Front Brake Ducts: it depends on the temperature
- Rear Brake Ducts: it depends on the temperature

My best lap with this setup: 1:52.472 (on a mega lap, there is the possibility of doing 52.2 very high, so you can improve so much my time)

Good Luck and Have Fun.

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