The ideal settings for a high-speed circuit are those which allow the car to take high-speed corners as fast as possible. The suspension and shock absorbers should be stiff and the ride height low. However, if the ride height is so low that the springs cannot move sufficiently, the suspension will be too hard to absorb the impact of bumps and undulations in the road, cancelling out any beneficial effects. If you use stiffer suspension springs, reducing the stiffness of the anti-sway bars will create a little roll that will keep the wheels in better contact with the road. If, on the other hand, you soften the springs a little in order to deal with uneven road surface, stiffening the anti-sway bars will help combat excessive roll. Basically, the idea is to have your anti-sway bars compensate for the shortcomings of your springs.
Wheel alignment is also important. Increasing the rear toe angle is a good way of improving stability. The camber should be at least slightly negative, but you also want as much of the tyre to be in contact with the road as possible when driving fast on the straight and when braking hard, so its best not to go overboard.
as far as gear ratios go , the aim is the same as always: to keep the car within the power band as much as possible. The final gear should be set to a ratio that allows the top gear to just reach the redline by the end of long straights. As for down force, the minimum possible amount should be used in order to maximise speed on the straight, but you want to make sure that stability is not lost when cornering and braking.
Ride Height:
Front: low Rear: low
Shock absorbers:
Extension: Front: strong Rear: strong
Compression: Front: strong Rear: strong
Spring rate:
Front: hard Rear: hard
Wheel alignment:
Toe angle: Front: 0 Rear: in
Camber angle: Front: negative Rear: 0
Anti-sway bar:
Front: hard Rear: hard
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