Engines of the Silver Shadow: Menu engines The 6230 cc engine The 6750 cc engine

Specifications of the 6750 cc V8

The Rolls-Royces and Bentleys from chassisnumber 8742 (modelyear 1970) were provided with a 6750 cc 8-cylinder engine in V-shape. This engine had the next specifications: Aspect Value Type Rolls-Royce V8 Block material High silicon content aluminium alloy with wet liners of cast iron Cylinders Vee unit, 90 degrees, 8 cylinders Cooling Water Bore and stroke 104,1 x 99,1 mm Capacity 6750 cc Shaft bearings 5 Valves 2 per cylinder Camshaft 1, mounted in the engine block Compression ratio 9.0:1, 8.0:1 from autumn 1975, 7.3:1 for America, Australia and Japan Fuel system Twin SU-carburettors and automatic choke Maximum power Not officially released. Estimated power is 220 hp at approximately 4000 rpm Maximum torque Not officially released Transmission 3-speed GM400 automatic transmission with torque converter Ratios Direct Intermediate Low Reverse   3.08:1 4.558:1 7.638:1 6.406:1 Speed at 1000 rpm in the highest gear 26,2 mph or 42,1 km/h