This 1960 Triumph TR3 wears the quintessential colors of a British roadster: Green over tan. With about 100 horsepower on tap, this TR3 is ready for spirited weekend driving or even the autocross course. Being a 1960, this Triumph is known by enthusiasts as a "TR3A," which is a face-lifted model with a wider front grille, exterior door handles and a lockable boot. …