A current F1 driver will typically compete in the 21 races each year. In 1965, Jim Clark took part in 63 races driving cars that were much more physically demanding to drive than modern racing cars.
James May snuck in his catchphrase "Oh cock!" on a T-shirt he packs in the Alpine. He is not permitted to say the phrase on The Grand Tour due to legal issues surrounding his departure from Top Gear (2002).
The Lotus 49 was an ingenious design, using the engine as a structural part of the car before such things became commonplace in racing. It was powered by the Cosworth DFV V8 which would go on to become the most successful engine in F1 history.
James May and Gordon Murray are not the only people to have bought an Alpine A110. Pink Floyd drummer Nick Mason, seen in the previous season, also bought one.