The 6.The 6.75-litre L-Series V8 first left Crewe in 1959 and ran in production for more than six decades across Rolls-Royce and Bentley motor cars, becoming one of the longest-lived engines in automotive history. When the Corniche launched, the factory described the output as simply "adequate." Surrey-based atelier Halcyon has built its Great Eight Series around improving on that characteristically British understatement. Each of the 60 one-of-one commissions begins as a bare-metal restoration and takes 5,000 hours and 12 months to complete. The remastered V8 gains increased torque and improved throttle response without sacrificing its effortless composure, paired with adaptive suspension, electronically controlled dampers, three drive modes, and an upgraded braking system.…