| Engine |
| Displacement |
4.957 L (302 CID) |
| Number of cylinders |
8 |
| Bore |
92.2 mm (3.629 in) |
| Stroke |
92.7 mm (3.649 in) |
| Firing order |
1-5-4-8-6-3-7-2 |
| Spark plug |
CYFS-12Y |
| Spark plug gap |
1.25-1.35 mm (0.049-0.053 in) |
| Minimum oil pressure at idle (engine at normal operating temperature, transmission in park) |
103 kPa (15 psi) |
| Compression ratio |
10.5:1 |
| Engine weight |
197.3 kg (435 lb) |
| Cylinder Head and Valve Train |
| Combustion chamber volume |
54.5-57.5 cc (3.33-3.51 cu in) |
| Valve stem diameter - intake |
5.975-5.995 mm (0.2352-0.2360 in) |
| Valve stem diameter - exhaust |
5.950-5.970 mm (0.2342-0.2350 in) |
| Valve stem-to-guide clearance - intake |
0.020-0.069 mm (0.0008-0.0027 in) |
| Valve stem-to-guide clearance - exhaust |
0.045-0.094 mm (0.0018-0.0037 in) |
| Valve head diameter - intake |
37 mm (1.45 in) |
| Valve head diameter - exhaust |
31 mm (1.22 in) |
| Valve face runout |
0.05 mm (0.0019 in) |
| Valve face angle |
45 degrees |
| Valve seat width - intake |
1.3-1.5 mm (0.051-0.059 in) |
| Valve seat width - exhaust |
1.4-1.6 mm (0.059-0.063 in) |
| Valve seat runout |
0.04 mm (0.0016 in) |
| Valve seat angle |
120/90/60 degrees |
| Valve spring free length - intake |
51.32 mm (2.02 in) |
| Valve spring free length - exhaust |
51.32 mm (2.02 in) |
| Valve spring perpendicularity - intake |
3 mm (0.118 in) |
| Valve spring perpendicularity - exhaust |
3 mm (0.118 in) |
| Valve spring compression force - intake |
650 N |
| Valve spring compression force - exhaust |
650 N |
| Valve spring installed height - intake |
40 mm (1.5748 in) |
| Valve spring installed height - exhaust |
40 mm (1.5748 in) |
| Valve spring installed force - intake |
265 N |
| Valve spring installed force - exhaust |
265 N |
| Roller follower ratio |
2:1 |
| Head gasket surface flatness |
0.025 mm (0.001 in) in any 25 mm (1 in) x 25 mm (1 in) area; 0.050 mm (0.002 in) in any 150 mm (6 in) x 150 mm (6 in) area; 0.1 mm (0.004 in) overall |
| Hydraulic Lash Adjuster |
| Diameter - intake |
11.89-12.00 mm (0.4681-0.472 in) |
| Diameter - exhaust |
11.89-12.00 mm (0.4681-0.472 in) |
| Clearance-to-bore |
0.018-0.050 mm (0.0007-0.0019 in) |
| Hydraulic leakdown rate - intake |
0.45-3 seconds |
| Hydraulic leakdown rate - exhaust |
0.45-3 seconds |
| Collapsed lash adjuster gap |
0.35-0.85 mm (0.0137-0.0334 in) |
| Camshaft |
| Lobe lift - intake |
5.258 mm (0.2070 in) |
| Lobe lift - exhaust |
5.488 mm (0.2160 in) |
| Journal diameter |
28.607-28.633 mm (1.1262-1.1272 in) |
| Journal bore inside diameter |
28.682-28.657 mm (1.1292-1.1282 in) |
| Journal-to-bearing clearance |
0.025-0.075 mm (0.001-0.002 in) |
| Runout |
0.04 mm (0.0016 in) (4 places) |
| End play |
0.15 mm (0.0059 in) |
| Cylinder Block |
| Cylinder bore diameter |
92.200-92.220 mm (3.6299-3.6307 in) |
| Cylinder bore maximum taper |
0.013 mm (0.0005 in) |
| Cylinder bore maximum out-of-round |
0.010 mm (0.0004 in) |
| Main bearing bore inside diameter |
72.400-72.424 mm (2.850-2.851 in) |
| Head gasket surface flatness |
0.0254 mm (0.001 in) across any 38.1 mm (1.5 in) square |
| Crankshaft |
| Main bearing journal diameter |
67.481-67.505 mm (2.657-2.658 in) |
| Main bearing journal maximum taper |
0.004 mm (0.0002 in) |
| Main bearing journal maximum out-of-round |
0.008 mm (0.0003 in) between cross sections |
| Main bearing journal-to-main bearing clearance |
0.025-0.045 mm (0.0009-0.0018 in) |
| Connecting rod journal diameter |
52.983-53.003 mm (2.086-2.087 in) |
| Connecting rod journal maximum taper |
0.004 mm (0.0002 in) |
| Crankshaft maximum end play |
0.28 mm (0.011 in) |
| Piston and Connecting Rod |
| Piston diameter |
92.161-92.175 mm (3.6283-3.6289 in) |
| Piston-to-cylinder bore clearance (at grade size) |
0.025-0.059 mm (0.0009-0.0023 in) |
| Piston ring end gap - top |
0.15-0.25 mm (0.0059-0.0098 in) |
| Piston ring end gap - intermediate |
0.30-0.55 mm (0.0118-0.0216 in) |
| Piston ring gap - oil control |
0.15-0.45 mm (0.0059-0.0177 in) |
| Piston ring groove width - top |
1.220-1.250 mm (0.0480-0.0492 in) |
| Piston ring groove width - intermediate |
1.220-1.240 mm (0.0480-0.0488 in) |
| Piston ring groove width - oil control |
2.530-2.550 mm (0.0996-0.1003 in) |
| Piston ring width - top |
1.17-1.19 mm (0.0460-0.0468 in) |
| Piston ring width - intermediate |
1.17-1.19 mm (0.0460-0.0468 in) |
| Piston ring-to-groove clearance - top |
0.030-0.080 mm (0.0019-0.0031 in) |
| Piston ring-to-groove clearance - intermediate |
0.030-0.070 mm (0.0019-0.0028 in) |
| Piston pin bore diameter |
22.004-22.010 mm (0.8663-0.8665 in) |
| Piston pin diameter |
21.997-22.000 mm (0.8649-0.8661 in) |
| Piston pin length |
60.7-61.0 mm (2.3897-2.4015 in) |
| Piston pin-to-piston fit (clearance) |
0.004-0.013 mm (0.0002-0.0005 in) |
| Connecting rod-to-pin clearance |
0.003-0.018 mm (0.0001-0.0007 in) |
| Connecting rod pin bore diameter |
22.003-22.015 mm (0.8663-0.8667 in) |
| Connecting rod length (centerline bore-to-bore) |
150.7 mm (5.933 in) |
| Connecting rod maximum allowed bend |
0.038 mm (0.0015 in) |
| Connecting rod maximum allowed twist |
0.050 mm (0.0019 in) |
| Connecting rod bearing-to-crankshaft clearance |
0.028-0.069 mm (0.0011-0.0027 in) |
| Connecting rod side clearance (as assembled to crank) - standard play |
0.325 mm (0.0128 in) |
| Connecting rod side clearance (as assembled to crank) - max. play |
0.500 mm (0.0197 in) |