Кажись у каждого CVehicle есть поле с хендлингом

plugin-sdk/plugin_sa/game_sa/CVehicle.h at master · DK22Pac/plugin-sdk

An SDK for developing ASI/CLEO plugins for GTA San Andreas, GTA Vice City and GTA III - DK22Pac/plugin-sdk

github.com


plugin-sdk/plugin_sa/game_sa/tHandlingData.h at master · DK22Pac/plugin-sdk

An SDK for developing ASI/CLEO plugins for GTA San Andreas, GTA Vice City and GTA III - DK22Pac/plugin-sdk

github.com