Think before writing... There are multiple versions of the Mazda 626. Also that russian version could be scaled wrong.
Video time. Thought I'd exploit a funny glitch with the Pessima. http://www.youtube.com/watch?v=4XEQsxfiJ6M
Whoops, the Pessima somehow had no halfshaft beams to break and cut power. Fixed for the next update.
If you want magic wheels that never lose power, just remove the axleBeams lines from the wheels jbeams.