System Specifications
Cylinder head gasket surface flatness mm (inch) 0.08 (0.003)Total Cylinder bore diameter mm (inch) 100.4 (3.953)
Cylinder bore maximum taper mm (inch) 0.025 (0.001)
Cylinder bore maximum out-of-round mm (inch) 0.025 (0.001)
Main bearing bore inside diameter mm (inch) 60.634-60.620 (2.387-2.387)
Head gasket surface flatness mm (inch) 0.1 (0.004) overall
Head gasket surface finish (RMS) 60-150
Main bearing journal diameter mm (inch) 56.980-57.0 (2.243-2.244)
Main bearing journal maximum taper mm (inch) 0.008 (0.0003)
Main bearing journal maximum out-of-round mm (inch) 0.008 (0.0003)
Main bearing journal-to-cylinder block clearance mm (inch) 0.008-0.062 (0.0003-0.0024)
Connecting rod journal diameter mm (inch) 53.98-54.0 (2.125-2.126)
Connecting rod journal maximum taper mm (inch) 0.008 (0.0003)
Connecting rod journal maximum out-of-round mm (inch) 0.008 (0.0003)
Crankshaft maximum end play mm (inch) 0.05-0.32 (0.002-0.0126)
Clearance to crankshaft mm (inch) 0.021-0.039 (0.0008-0.0015)
Clearance to crankshaft allowable mm (inch) 0.013-0.048 (0.0005-0.002)
Bearing wall thickness mm (inch) 1.8-1.806 (0.0709-0.0711)
Piston diameter-coded STD mm (inch) 100.380- 100.400 (3.952-3.9528)
Piston diameter-coded 0.5 mm (inch) 100.880-100.900 (3.972)
Piston diameter-coded 1.0 mm (inch) 101.350-101.370 (3.990-3.991)
Piston-to-cylinder bore clearance mm (inch) 0.030-0.060 (0.0012-0.002)
Piston top ring end gap mm (inch) 0.200-0.450 (0.008-0.018)
Piston bottom ring end gap mm (inch) 0.450-0.700 (0.018-0.028)
Piston top ring groove width mm (inch) 1.64-1.66 (0.0645-0.0654)
Piston bottom ring groove width mm (inch) 1.79-1.81 (0.0705-0.0713)
Piston oil ring groove width mm (inch) 3.5-3.53 (0.1378-0.1399)
Piston top ring width mm (inch) 1.578-1.598 (0.062-0.063)
Piston bottom ring width mm (inch) 1.728-1.74 (0.068-0.069)
Piston top ring-to-groove clearance mm (inch) 0.050-0.082 (0.002-0.0003)
Piston bottom ring-to-groove clearance mm (inch) 0.050-0.082 (0.002-0.003)
Piston pin bore diameter (red) mm (inch) 24.007-24.010 (0.945)
Piston pin bore diameter (blue) mm (inch) 24.010-24.013 (0.945)
Piston pin diameter (red) 23.994-23.997 mm (inch) (0.9446-0.9447)
Piston pin diameter (blue) 23.997-24.000 mm (inch) (0.9447-0.9449)
Piston pin length mm (inch) 72.0-72.8 (2.835-2.866)
Piston pin-to-piston pin fit mm (inch) 0.01-0.016 (0.0004-0.0006)
Piston pin-to-connecting Press fit rod clearance mm (inch) -0.018 to -0.042 (-0.0007 to -0.0017)
Connecting rod pin bore diameter mm (inch) 23.958-23.976 (0.943-0.944)
Connecting rod length mm (inch) 145.965-146.035 (5.746-5.749)
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 (2.237)
Connecting rod bearing-to-crankshaft clearance mm (inch) 0.013-0.048 (0.005-0.002)
Connecting rod side clearance (assembled to crankshaft) mm (inch) 0.092-0.268 (0.0036-0.0106)
Crankshaft Pulley
Stage 1 50 Nm (37 ft. lbs.)
Stage 2 additional 90 degrees.
Main bearing cap bolts
1 35 Nm (26 ft. lbs.)
2 additional 57 degrees
NOTE: The old nuts and bolts are used for checking clearances. New nuts and bolts must be used for reassembly.
Connecting rod nuts.
Stage 1 20 Nm (15 ft. lbs.)
Stage 2 additional 90 degrees