In 1980, the FIA issued a new set of competition regulations for GT and Rally car classes known as Group B. These rules allowed manufacturers wide latitude on design and materials- and most importantly, no restriction on forced induction. Carmakers were also required to build fewer road car versions (just 200) to meet homologation. The result was an astounding array of racing brutes like the Audi Quattro, Ford RS200, Peugeot 205 T16 and of course the Lancia 037. But the spee...