General Specifications
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GENERAL SPECIFICATIONS
| Item | Specification |
|---|---|
| Engine | |
| Displacement | 4.6L (281 CID) |
| Number of cylinders | 8 |
| Bore | 90.2 mm (3.55 in) |
| Stroke | 90.0 mm (3.54 in) |
| Firing order | 1-3-7-2-6-5-4-8 |
| Spark plug (early build - black coil boot) | PZT-1F |
| Spark plug (late build - brown coil boot) | HJFS-24FP |
| Oil pressure minimum at 2,000 RPM (engine at normal operating temperature) | 517 kPa (75 psi) |
| Compression ratio | 9.8:1 |
| Engine weight (manual transmission) | 202 kg (446 lb) |
| Engine weight (automatic transmission) | 195 kg (431 lb) |
| Cylinder Head and Valve Train | |
| Combustion chamber volume | 48.1-51.1 cc (2.94-3.12 cu in) |
| Valve arrangement (front to rear) - LH | I-E-I-I-E-I-I-E-I-I-E-I |
| Valve arrangement (front to rear) - RH | I-E-I-I-E-I-I-E-I-I-E-I |
| Valve guide bore diameter | 6.015-6.044 mm (0.237-0.238 in) |
| Valve stem diameter - intake | 5.975-5.995 mm (0.235-0.236 in) |
| Valve stem diameter - exhaust | 5.95-5.97 mm (0.234-0.235 in) |
| Valve stem-to-guide clearance - intake | 0.020-0.069 mm (0.001-0.003 in) |
| Valve stem-to-guide clearance - exhaust | 0.045-0.094 mm (0.002-0.004 in) |
| Valve head diameter - intake | 33.62-33.98 mm (1.324-1.338 in) |
| Valve head diameter - exhaust | 37.32-37.68 mm (1.469-1.483 in) |
| Valve face runout | 0.05 mm (0.002 in) |
| Valve face angle | 45.5 degrees |
| Valve seat width - intake | 1.2-1.4 mm (0.047-0.055 in) |
| Valve seat width - exhaust | 1.4-1.6 mm (0.055-0.063 in) |
| Valve seat angle | 44.5-45.0 degrees |
| Valve spring free length | 56.5 mm (2.22 in) |
| Valve spring compression pressure (maximum lift) | 760 N (79 lbs) ± 39.0 N (4 lbs) @ 31.04 mm (1.22 in) |
| Valve spring installed height | 42.04 mm (1.66 in) |
| Valve spring installed pressure | 350 N (79 lbs) ± 17.5 N (4 lbs) @ 42.04 mm (1.66 in) |
| Hydraulic Lash Adjuster | |
| Diameter | 15.988-16.000 mm (0.6294-0.6299 in) |
| Clearance-to-bore | 0.018-0.069 (0.0007-0.0027 in) |
| Service limit | - |
| Collapsed lash adjuster gap | 0.45-0.85 (0.018-0.033) |
| Camshaft | |
| Theoretical valve lift @ 0 lash - intake | 11.166 mm (0.439 in) |
| Theoretical valve lift @ 0 lash - exhaust | 11.066 mm (0.436 in) |
| Lobe lift - intake | 5.520 mm (0.217 in) |
| Lobe lift - exhaust | 5.506 mm (0.217 in) |
| Allowable lobe lift loss | 0.00127 mm (0.005 in) |
| Journal diameter | 28.607-28.633 mm (1.126-1.127 in) |
| Camshaft journal bore inside diameter | 28.657-28.682 mm (1.128-1.129 in) |
| Camshaft journal-to-bearing clearance | 0.024-0.075 mm (0.001-0.003 in) |
| Runout | 0.03 mm (0.001 in) |
| End play | 0.0050-0.250 mm (0.0002-0.009 in) |
| Cylinder Block | |
| Cylinder bore diameter - grade 1 | 90.200-90.210 mm (3.5512-3.5516 in) |
| Cylinder bore diameter - grade 2 | 90.210-90.220 mm (3.5516-3.5520 in) |
| Cylinder bore diameter - grade 3 | 90.220-90.230 mm (3.5520-3.5524 in) |
| Cylinder bore maximum taper | 0.006 mm (0.0002 in) |
| Cylinder bore maximum out-of-round | 0.020 mm (0.0008 in) |
| Main bearing bore inside diameter | 72.400-72.424 mm (2.850-2.851 in) |
| Crankshaft | |
| Main bearing journal diameter | 67.481-67.505 mm (2.6567-2.6576 in) |
| Main bearing journal maximum taper | 0.004 mm (0.0002 in) |
| Main bearing journal maximum out-of-round | 0.0075 mm (0.0003 in) between cross sections |
| Main bearing journal-to-cylinder block clearance | 0.048-0.024 mm (0.0019-0.0009 in) |
| Connecting rod journal diameter | 53.003-52.983 mm (2.0867-2.0859 in) |
| Connecting rod journal maximum taper | 0.004 mm (0.0002 in) |
| Connecting rod journal maximum out-of-round | 0.0075 mm (0.0003 in) between cross sections |
| Crankshaft maximum end play | 0.075-0.377 mm (0.0030-0.0148 in) |
| Piston and Connecting Rod | |
| Piston diameter - grade 1 (at right angle to pin bore) (uncoated) | 90.182-90.167 mm (3.5504-3.5499 in) |
| Piston diameter - grade 2 (at right angle to pin bore) (uncoated) | 90.196-90.179 mm (3.551-3.5503 in) |
| Piston diameter - grade 3 (at right angle to pin bore) (uncoated) | 90.208-90.193 mm (3.5515-3.551 in) |
| Piston-to-cylinder bore clearance (at grade size) | 0.017-0.047 mm (0.0007-0.0019 in) |
| Piston ring end gap - top | 0.15-0.30 mm (0.006-0.012 in) |
| Piston ring end gap - intermediate | 0.25-0.50 mm (0.0098-0.0197 in) |
| Piston ring end gap - oil control | 0.15-0.65 mm (0.0059-0.0256 in) |
| Piston ring groove width - top | 1.52-1.54 mm (0.0598-0.0606 in) |
| Piston ring groove width - intermediate | 1.52-1.54 mm (0.0598-0.0606 in) |
| Piston ring groove width - oil control | 3.030-3.056 mm (0.1193-0.1203 in) |
| Piston ring width - top and intermediate | 1.50-1.48 mm (0.0590-0.0582 in) |
| Piston ring-to-groove clearance - top | 0.020-0.060 mm (0.0008-0.0020 in) |
| Piston ring-to-groove clearance - intermediate | 0.020-0.060 mm (0.0008-0.0020 in) |
| Piston pin bore diameter | 22.0125-22.0175 mm (0.8666-0.8668 in) |
| Piston pin diameter | 22.0010-22.0030 mm (0.8662-0.8663 in) |
| Piston pin length | 61.8 mm (2.433 in) |
| Piston pin-to-piston fit | 0.0095-0.023 mm (0.0004-0.0009 in) |
| Connecting rod-to-pin clearance | 0.009-0.023 mm (0.0004-0.0009 in) |
| Connecting rod pin bore diameter | 22.012-22.024 mm (0.8666-0.8671 in) |
| Connecting rod length (center-to-center) | 150.7 mm (5.933 in) |
| Connecting rod maximum allowed bend | ± 0.038 mm (0.0015 in) |
| Connecting rod maximum allowed twista | ± 0.05 mm (0.0020 in) |
| Connecting rod bearing bore diameter (with assembled liners) | 53.049-53.027 mm (2.0885-2.0877 in) |
| Connecting rod bearing-to-crankshaft clearance | 0.024-0.066 mm (0.0009-0.0026 in) |
| Connecting rod side clearance | 0.5-0.15 mm (0.02-0.006 in) |
a The pin bore and crank bearing bore must be parallel and in the same vertical plane within the specified total difference when measured at the ends of a 203 mm bar, 105.5 mm on each side of rod centerline.