System Specifications
Cylinder BlockCylinder bore diameter 96.813 mm 3.81 inch)
Cylinder bore maximum taper 0.050 mm 0.002 inch)
Cylinder bore maximum out-of-round 0.050 mm (0.002 inch)
Main bearing bore inside diameter 68.905 mm 2.713 inch) 8.885 mm 2.712 inch)
Camshaft bearing bore inside diameter - intake max. 47.097 mm (1.8542 inch) 47.0 mm 1.8532 inch) min.
Camshaft bearing bore inside diameter - exhaust max. 39.739 mm 1.5645 inch) 39.714 mm 1.5635 inch) min.
Head gasket surface flatness 0.08 mm 0.003 inch) in 152.0 mm 6.00 inch)
Cylinder block drain plug 20 Nm (15 ft. lbs.)
Piston and Connecting Rod
Piston diameter - code red 96.795-96.782 mm (3.8108-3.8103 inch)
Piston diameter - code blue 96.808-96.795 mm (3.8113-3.8108 inch)
Piston diameter - code yellow 96.821-96.808 mm (3.8118-3.8113 inch)
Piston-to-cylinder bore clearance (undercoated clearance) 0.018-0.044 mm (0.0007-0.0017 inch)
Piston ring end gap - compression (top, in gauge) 0.17-0.33 mm (0.0067-0.013 inch)
Piston ring end gap - compression (bottom, in gauge) 0.3-0.55 mm (0.0 118-0.0217 inch)
Piston ring end gap - oil ring (steel rail, in gauge) 0.15-0.65 mm (0.0059-0.0256 inch)
Piston ring groove width - compression (top) 1.54-1.52 mm (0.0606-0.0598 inch)
Piston ring groove width - compression (bottom) 1.54-1.52 mm (0.0606-0.0598 inch)
Piston ring groove width - compression (oil) 3.05-3.03 mm (0.1200-0.1193 inch)
Piston ring width - compression (top and bottom) 1.460-1.490 mm (0.0575-0.0587 inch)
Piston ring width - compression (oil) Side seal - snug fit
Piston ring-to-groove clearance (1st and 2nd ring) 0.030-0.080 mm (0.0012-0.0032 inch)
Piston pin bore diameter 22.94-22.98 mm (0.9032-0.9047 inch)
Piston pin diameter 23.000-23.003 mm (0.9055-0.9056 inch)
Piston pin length 63.55-63.05 mm (2.5096-2.4823 inch)
Piston pin-to-piston fit 0.011-0.018 mm (0.0004-0.0007 inch)
Piston-to-connecting rod clearance -
Connecting rod-to-pin clearance (1,800 lbs) Press fit 8 kilo-newtons
Connecting rod pin bore diameter -
Connecting rod length (center-to-center) 154.66-154.74 mm (6.0890-6.0921 inch)
Connecting rod maximum allowed bend 0.04 per 25 mm (0.0016 per inch)
Connecting rod maximum allowed twist 0.059 per 25 mm (0.002 per inch)
Connecting rod bearing bore diameter 61.635-61.655 mm (2.4266-2.4274 inch)
Connecting rod bearing-to-crankshaft clearance - desired 0.025-0.035 mm (0.001-0.0014 inch)
Connecting rod bearing-to-crankshaft clearance - allowable 0.022-0.069 mm (0.00086-0.0027 inch)
Connecting rod side clearance 0.11-0.49 mm (0.0047-0.0193 inch)
Crankshaft
Main bearing journal diameter 63.983-154.003 mm (2.5190-2.5198 inch)
Main bearing journal maximum taper 0.008 mm 0.0003 inch) per 25 mm (1.0 inch)
Main bearing journal maximum out-of-round max. 0.008 mm 0.0003 inch) in 45 degrees, 0.015 mm 0.006 inch) total
Main bearing journal-to-cylinder block clearance - desired 0.025-0.035 mm (0.001-10.0014 inch)
Main bearing journal-to-cylinder block clearance - allowable 0.013-0.058 mm (0.0005-0.0023 inch)
Connecting rod journal diameter 58.682-58.702 mm (2.3103-2.3111 inch)
Connecting rod journal maximum taper 0.008 min per 25 min (0.0003 in per inch)
Connecting rod journal maximum out-of-round max. 0.008 mm 0.0003 inch) in 45 degrees, 0.015 mm (0.0006 inch) total
Crankshaft maximum end play 0.10-020 mm (0.004-0.008 inch)