Cylinder Block Assembly: Specifications

Cylinder Block
Cylinder bore diameter mm (inch) 100.4 mm (3.953 inch)
Cylinder bore maximum taper mm (inch) 0.025 mm (0.001 inch)
Cylinder bore maximum out-of-round mm (inch) 60.634 - 60.620 mm (2.387 - 2.387 inch)
Head gasket surface flatness mm (inch) 0.1 mm (0.004 inch) overall
Head gasket surface finish (RMS) 60 - 150
Crankshaft
Main bearing journal diameter mm (inch) 53.980 - 57.0 mm (2.243 - 2.244 inch)
Main bearing journal maximum taper mm (inch) 0.008 mm (0.0003 inch)
Main bearing journal maximum out-of-round mm (inch) 0.008 mm (0.0003 inch)
Main bearing journal-to-cylinder block clearance mm (inch) --
Connecting rod journal diameter mm (inch) 53.98 - 54.0 mm (2.125 - 2.126 inch)
Connecting rod journal maximum taper mm (inch) 0.008 mm (0.0003 inch)
Connecting rod journal maximum out-of-round mm (inch) 0.008 mm (0.0003 inch)
Crankshaft maximum end play mm (inch) 0.05 - 0.32 mm (0.002 - 0.0126 inch)
Piston and connecting rod
Piston diameter - coded STD mm (inch) 100.380 - 100.400 mm (3.952 - 3.9528 inch)
Piston diameter - coded 0.5 mm (inch) 100.880 - 100.900 mm (3.972 inch)
Piston diameter - coded 1.0 mm (inch) 101.350 - 101.370 mm (3.990 - 3.991 inch)
Piston to cylinder bore clearance mm (inch) 0.030 - 0.060 mm (0.0012 - 0.002 inch)
Piston top ring end gap mm (inch) 0.200 - 0.450 mm (0.008 - 0.018 inch)
Piston bottom ring end gap mm (inch) 0.450 - 0.700 mm (0.018 - 0.028 inch)
Piston top ring groove width mm (inch) 1.64 - 1.66 mm (0.0645 - 0.0654 inch)
Piston bottom ring groove width mm (inch) 1.79 - 1.81 mm (0.0705 - 0.0713 inch)
Piston oil ring groove width mm (inch) 3.5 - 3.53 mm (0.1378 - 0.1399 inch)
Piston top ring width mm (inch) 1.578 - 1.598 mm (0.062 - 0.063 inch)
Piston bottom ring width mm (inch) 1.728 - 1.74 mm (0.068 - 0.069 inch)
Piston top ring-to-groove clearance mm (inch) 0.050 - 0.082 mm (0.002 - 0.0003 inch)
Piston bottom ring-to-groove clearance mm (inch) 0.050 - 0.082 mm (0.002 - 0.0003 inch)
Piston pin bore diameter (red) mm (inch) 24.007 - 24.010 mm (0.945 inch)
Piston pin bore diameter (blue) mm (inch) 24.010 - 24.013 mm (0.945 inch)
Piston pin length mm (inch) 72.0 - 72.8 mm (2.835 - 2.866 inch)
Piston pin-to-piston pin fit mm (inch) 0.01 - 0.016 mm (0.0004 - 0.0006 inch)
Piston pin-to-connecting rod clearance mm (inch) Press Fit -0.018 to -0.042 mm (-0.0007 to -0.0017 inch)
Connecting rod pin bore mm (inch) 23.958 - 23.976 mm (0.943 - 0.944 inch)
Connecting rod maximum allowed bend mm (inch) 0.0125 (0.00049) per 25.4 mm (1.000)
Connecting rod maximum allowed twist mm (inch) 0.038 (0.0015) per 25.4 mm (1.000)
Connecting rod bearing bore diameter mm (inch) 56.82 - 56.84 mm (2.237 inch)
Connecting rod bearing-to-crankshaft clearance mm (inch) 0.013 - 0.048 mm (0.005 - 0.002 inch)
Connecting rod side clearance (assembled to crankshaft) mm (inch) 0.092 - 0.268 mm (0.0036 - 0.0106 inch)
For specifications regarding Crankshaft Pulley bolt, refer to service procedure. Service and Repair
For specifications regarding Main Bearing Cap bolts, refer to service procedure. Assembly
For specifications regarding Rod Bearing Cap bolts, refer to service procedure. Assembly