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Asuming your line and you are not locking the rear wheels into the corner you can adjust the following general settings.
Change only one setting at a time in small increments
From more to less influence
To stop the car from turning in too much, we try to prevent too much weight shifting forward on deceleration which we achieve by moving the whole weight balance rearward by reducing the rake, and furthermore increasing the front suspension stiffness overall, or by adjusting the differential coast locking and pre-load.
Additionally in high speed corners, aero changes will also have a big affect on the balance of the car through the corner, as well as decreasing rear tire toe-in will induce a bit more stability of the rear of the car and help with turn-in.
Increasing the wing angles will impact your top speed so it is highly recommended you try to first shift the aero balance by changing the rake of the car.