procure por ZaZ Tools. Lá existe um programa, Easywad, que abre esse cars.wad e permite que você substitua carros, capacetes... Vale muito a pena.
Search for ZaZ Tols. There is a program, Easywad, which opens this cars.wad and allows you to replace cars, helmets... it's a must!
In my opinion, nothing new in here. I often use that.