It isn’t about racing. It’s not about driving for fun, even, nor buying a car to tune it up and see how fast it’ll go in a straight line (though you can tune up your car in Jalopy).

Slip has entered the Boys' rattletrap car in a souped-up jalopy race, but has no chance of winning until Satch, with the aid of a scientist acquaintance, comes up with a chemical concoction that ...