Built on a shortened prototype ’62 Pontiac Tempest convertible, the PONTIAC TEMPEST MONTE CARLO was a hit at auto shows and major road racing events. It shared the spotlight with GM design chief, William Mitchell’s Corvair Sebring Spyder. One thing was a given at GM in the 1960s. Chevy’s Corvette was a sacred cow and no other division could bring a two-seat sports car to market. The only way Buick, Pontiac, Oldsmobile or Cadillac could reveal branded two-seat, high-performance sporty ve...