By applying forces to all car parts. Just use phent_addforce with its origin=explosion center and a vector towards the car part. You just need to figure out the right amount of force and how many frames to apply this force. See the jumping function (Key_E) in the Racer scripts.
Re: Physic car reacting from an explosion?
[Re: Marco_Grubert]
#57553 10/14/0501:4410/14/0501:44