It may have helped if the car was powered by the mighty rubber band! For those of you who are unaware, or have forgotten about Jason's dabbling with temporal mechanics and Time machines, you can read that storyline here: Latest Invention - 10-04-2007.
Marvel at Jason's mastery of quantum theory. Be enthralled as we discover the origins of Scruffy. And then stare in bewilderment at the half-baked art and lacklustre character design (while wondering what kind of bizarre evolution is going on when matching the characters to their modern day look).