System Specifications

Cylinder Block
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
Crankshaft
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)
Piston and Connecting Rod
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) mm (inch) 23.994-23.997 (0.9446-0.9447)
Piston pin diameter (blue) mm (inch) 23.997-24.000 (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) 0.091-1-0.268 (0.0036-0.0106)





Main bearing caps bolts.
Main bearing cap bolts 97 Nm (72 ft. lbs.)

Crankshaft pulley bolt.
Stage 1: Tighten the bolt to 50 Nm (37 ft. lbs.)
Stage 2: Tighten the bolt an additional 90°.

Connecting rod nuts:
Stage 1 20 Nm (15 ft. lbs.)
Stage 2 90°