Any racing fan that lived in Southern California in the early 70s knew of the late, great Riverside International Raceway (RIR).  And if you followed top-level Porsche racing during the same period, no matter where you’re from, likely knew of the International Race of Champions (IROC), and that for its first, and then-one-season only, was contested with a special batch of Carrera RSR 3.0s developed and produced by the Porsche factory for the IROC spec series. A foundational element of … Continue reading The International Race of Champions Porsches and the Dozen Great Drivers who Raced Them