I pushed a fresh build of the car physics demo. It now feels closer to the crunchy chaos I remember from 1997 while staying fully tweakable in real time. Here is what improved in this round • Suspension feels tighter with better rebound on landing • Wheel width and radius changes now affect grip in a believable way • Center of gravity edits give cleaner weight transfer under braking and turn in • Curb and small bump behavior is more predictable • Collision response is snappier so walls and props bite back instead of letting you ghost through Tech bits for the curious • Pure C plus plus and OpenGL with my own rigid body solver • Live sliders for mass, center of gravity, suspension, lever arms, and wheel size • Damage and smash feel tuned to echo classic Carmageddon with modern stability How you can help • Tell me where it still feels floaty or sticky • Try extreme slider values and report anything goofy • Share your frame rate and hardware so I can profile performance • Suggest a car to tune next or a stunt you want to see replicated If you want to try the build, I will drop it when I add ramps and racing tracks, just more fun that way.