Now this was unexpected! I actually like this prototype a lot, but the controls are extremely floaty when the car is going fast. That being said after you get used to it, it gets much better and i was able to do some cool drifts! Cool prototype!
I had some problems to match the physics on VSync On/Off. With VSync On the response and behaviour not was exactly the same so i updated the VSync one. No it should work the same or at least enough to no get any difference.
If you tried that one (VSync), please download and test again.