You attempted to make the car double wishbone yet? Seems like the camber gain and handling is a little off, and that would help with the drivability and realism. Also if you want some 3d models for suspension I might be willing to model some.

Have tested editor and cars a bit. Very fun. Some recurring issue I am seeing are
1. Inaccurate front suspension, most of the cars are trailing arm in the front, (error of mod creators, however the default is linear, which converts to trailing arm ingame, maybe default suspension could be changed, or mod creators could be more informed on what suspension they should choose).
Only 2-d wishbone suspension with no seeming toe sweep through suspension travel, not sure if 3-d is possible, or any toe sweep is possible but it would be nice to be able to make more realistic suspension.


2. Clutches, doesn't seem as there is a place to modify clutch pressure/how much torque they can hold, pretty much all of the modified cars just burn the clutch if they have more power than stock. This one is a big letdown for some of the mods.