I became interested in motor racing during the one brief period when Aston Martin was really something special. There was the DBR1, the DB4, especially when fitted with the glorious Zagato body and, of course, there was James Bond’s car in Goldfinger. Somehow it was easy to overlook the fact that the DBR4 Formula One car was a turkey and its successor, the DBR5, a stuffed turkey. In the 1980s, I interviewed a show biz star who loved Astons and…