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GENERAL SPECIFICATION DATA 1 INFORMATION ENGINE - V8 Type 3.9 litre V8 ................................................................................. Number of cylinders Eight, two banks of four ......................................................... Bore 94.00 mm ................................................................................. Stroke 71.12 mm ............................................................................... Capacity 3950 cm 3 ........................................................................... Valve operation Overhead by push-rod ................................................................ Compression ratio 8.13:1 or 9.35:1 ............................................................ Valve operation Overhead by push-rod ................................................................ Maximum power: - 8.13:1 127kW at 4550 rev/min ............................ - 9.35:1 134kW at 4750 rev/min ............................ Type 4.2 litre V8 ................................................................................. Number of cylinders Eight, two banks of four ......................................................... Bore 94.00 mm ................................................................................. Stroke 77.00 mm ............................................................................... Capacity 4275 cm 3 ........................................................................... Valve operation Overhead by push-rod ................................................................ Compression ratio 8.94:1 ............................................................ Valve operation Overhead by push-rod ................................................................ Maximum power 149kW at 4850 rev/min ............................................................... Crankshaft 58.409-58.422 mm ....................................................... Minimum regrind diameter 57.393-57.406 mm ............................................... Crankpin journal diameter 50.800-50.812 mm ................................................ Minimum regrind diameter 49.784-49.797 mm ............................................... Crankshaft end thrust Taken on thrust washers of centre main bearing ....................................................... Crankshaft end float 0.10-0.20 mm ......................................................... Main bearings 5, Vandervell shells .............................................................. Material Lead-indium ............................................................................ Diametrical clearance 0.010-0.048 mm ....................................................... Undersize bearing shells 0.254 mm, 0.508 mm .................................................. Connecting rods Horizontally split big-end, plain small-end ................................................................................. Length between centres 143.81-143.71 mm ................................................... Big-end bearings Vandervell VP lead-indium ............................................................ Diametrical clearance 0.015-0.055 mm ....................................................... End-float crankpin 0.15-0.36mm ............................................................ Undersize bearing shells 0.254 mm, 0.508 mm .................................................. Piston pins 72.67-72.79 mm .............................................................................. Diameter 22.215-22.220 mm .......................................................................... Fit-in connecting rod Press fit ......................................................... Clearance in piston 0.002-0.007 mm .......................................................... |