At mugello I think the curbs are a really serious problem. The cars easily lose control on these curbs. but it doesn’t only happen here. also at road atlanta. In real life the gt3s, for example, even brake on the curbs and exploit them a lot, something you can’t do in the game. What do you think?
It’s not the curbs, its the suspension tunes. Set rebound a bit stiffer and you’ll no longer bounce off them.
If you tune it out that way, you’re going to want Bump Stiffness raised.
So I do notice this with the physics from rwd cars it is rougher entering a curbed corner. But my assumption is they are taking into consideration of actual heights of those curbs, my biggest suggestion is if you have rough enter and use of curbs to lighten your tires by a few psi not much and soften up bump stiffness and rebound. (Edit) My advice isn’t perfect you may still experience unpredicted results as it has been brought to my attention that they didn’t rework most cars between transfer of titles so most problems from old games are still there
Not for this game you don’t.
Suspension physics is weird in this game, default setups can’t handle curbs at all, but all u have to do is to set bump to ~8.7 and max out rebound, and somehow car takes curbs like it should. (U also get grip bonus overall)
(With this setup even Nurburgring curbs are free to cut, I could even say that u need to cut trough some for optimal lap time 
)
Well the easiest way to test how car takes on curbs is to test it on kyalami corner before pit entry, for optimal lap time u are forced to take whole curb under your car , but with 8.7 / 13 damping setup u can take it flat out in most of cars.
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Yes physics is really strange, it’s like the ground of the car touched the asphalt and you lose control of the car. I really don’t know, this happens more on some cars like the porsche 963 hypercar
Please elaborate on how raising rebound stiffness keeps the car from bouncing off the curbs.
Hitting the curb causes compression, how does rebound enter the equation? If you’re losing control, generally it’s lack of tire contact or infinite spring rate when you slam into the bump stops… or both when you bottom out and launch the car off the curb.
Idk what to tell you. I’ve tried both adjustments to fix this problem and the one that works is rebound. Should it? No, but it does in this game.