Back-to-back fuel crises in 1973 and 1979 forced Pontiac to rethink the Trans-Am from the ground up, and the result was a 1982 redesign built almost entirely around wind tunnel data — roughly 500 pounds lighter, capable of 34 mpg with the four-cylinder engine, and styled with hidden headlights and a frameless rear window. Read on to see how that fuel-crisis compromise eventually turned into the fastest production car in North America.