A regular version of physics Changes: Reworked cabin behavior Reworked seat behavior New recommended settings Recommended settings for v8.3b (can be changed in console or in config files): g cam physics value "1.0" (DEFAULT) g cam physics "1" (DEFAULT) g_cabin_suspension_stiffness "1.3" (see ATTENTION below!) g_suspension_stiffness "0.3" g_trailer_stability "0.5" (DEFAULT) g_truck_stability "0.3" g_brake_intensity "1.0" (DEFAULT) residual_travel[] in chassis defs: 0.10 and 0.088 (DEFAULT).