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

Specifications of the 6230 cc V8

The Rolls-Royces and Bentleys up to and including chassisnumber 8741 (modelyear 1969) were provided with a 6230 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 91,4 mm Capacity 6230 cc Shaft bearings 5 Valves 2 per cylinder Camshaft 1, mounted in the engine block Compression ratio 9.0:1 (optional 8.0:1 was available, especially for regions with a worse quality of fuel) Fuel system Twin SU-carburettors and automatic choke Maximum power Not officially released. Estimated power is 200 hp at approximately 4000 rpm Maximum torque Not officially released Transmission 4-speed Rolls-Royce/GM automatic transmission for RHD cars until summer 1968; 3-speed GM400 automatic transmission for LHD cars and from summer 1968 for all cars Ratios Top 3rd 2nd 1st Reverse 4-speed Rolls-Royce/GM Hydramatic 3.08:1 4.466:1 8.10:1 11.77:1 13.24:1 Ratios Direct Intermediate Low Reverse 3-speed GM400 3.08:1 4.558:1 7.638:1 6.406:1