General Specifications
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GENERAL SPECIFICATIONS
| Item | Specification | ||
|---|---|---|---|
| Lubricants and Sealants | |||
| SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP or equivalent | WSS-M2C153-H | ||
| Motorcraft Premium Gold Engine Coolant VC-7-A (in Oregon VC-7-B) or equivalent (1) | WSS-M97B51-A1 (yellow color) | ||
| Metal Surface Cleaner F4AZ-19A536-RA or equivalent | WSE-M5B392-A | ||
| Silicone Gasket and Sealant F7AZ-19554-EA or equivalent | WSE-M4G323-A6 | ||
| Engine | |||
| Displacement | 4.6L (281 CID) | ||
| Number of cylinders | 8 | ||
| Bore | 90.2 mm | ||
| Stroke | 90.0 mm | ||
| Firing order | 1-3-7-2-6-5-4-8 | ||
| Oil pressure (hot @ 1,500 psi) | 138-310 kPa (20-45 psi) | ||
| Oil capacity | 6.1 L (6.4 qts) | ||
| Compression ratio | 9.3:1 | ||
| Cylinder Head and Valve Train | |||
| Cylinder head gasket surface flatness | 0.05 mm (0.002 in) in any 150 mm x 150 mm (6.0 in x 6.0 in) area | ||
| Combustion chamber volume (Cylinder head only) | 43.95 +/- 1.5 cc | ||
| Valve arrangement (front to rear) - LH | E-I-E-I-E-I-E-I | ||
| Valve arrangement (front to rear) - RH | I-E-I-E-I-E-I-E | ||
| Valve guide bore diameter | 7.044-7.015 mm (0.2773-0.2761 in) | ||
| Valve stem diameter - intake | 6.995-6.965 mm (0.275-0.2742 in) | ||
| Valve stem diameter - exhaust | 6.970-6.940 mm (0.274-0.2732 in) | ||
| Valve stem-to-guide clearance | 0.020-0.079 mm (0.0008-0.0031 in) | ||
| Valve head diameter - intake | 44.5 mm (1.75 in) | ||
| Valve head diameter - exhaust | 36.0 mm (1.41 in) | ||
| Valve face runout | 0.05 mm (0.002 in) | ||
| Valve face angle | 45.25-45.75 degrees | ||
| Valve seat width | 1.9-2.1 mm (0.0748-0.0827 in) | ||
| Valve seat runout (T.I.R.) max. | 0.025 mm (0.001 in) | ||
| Valve seat angle | 44.51-45.01 degrees | ||
| Valve spring free length | 53.37 mm (2.10 in) +/- 1.0 mm (0.039 in) | ||
| Valve spring squareness | 2 degrees | ||
| Valve spring compression pressure | 720.0-800.0 N @ 28.80 mm | ||
| Valve spring installed height | 39.7-40.3 mm (1.5630-1.5866 in) | ||
| Valve spring installed pressure | 283.0-321.0 N @ 42.56 mm | ||
| Rocker arm ratio | 1.80:1 | ||
| Hydraulic Lash Adjuster | |||
| Diameter | 16.000-15.988 mm (0.66-0.629 in) | ||
| Clearance-to-bore | 0.018-0.069 mm (0.0007-0.0027 in) | ||
| Service limit | 0.016 mm (0.0006 in) | ||
| Hydraulic leakdown rate | 5-25 seconds | ||
| Collapsed lash adjuster gap | 0.085-0.45 mm (0.0335-0.0177 in) | ||
| Camshaft | |||
| Theoretical valve lift @ 0 lash - intake | 13.006 mm (0.512 in) | ||
| Theoretical valve lift @ 0 lash - exhaust | 13.753 mm (0.541 in) | ||
| Lobe lift - intake | 7.11038 mm (0.2799 in) | ||
| Lobe lift - exhaust | 7.49744 mm (0.2951 in) | ||
| Allowable lobe lift loss | 0.0 mm (0.000 in) | ||
| Journal diameter | 26.962-26.936 mm (1.061-1.060 in) | ||
| Camshaft journal bore inside diameter | 27.012-26.987 mm (1.063-1.0625 in) | ||
| Camshaft journal-to-bearing clearance | 0.025-0.076 mm (0.00098-0.003 in) | ||
| Runout | 0.05 mm (0.002 in) | ||
| End play | 0.09-0.19 mm (0.0035-0.0075 in) | ||
| Cylinder Block | |||
| Cylinder bore diameter - grade 1 | 90.200-90.213 mm (3.5512-3.5517 in) | ||
| Cylinder bore diameter - grade 2 | 90.213-90.226 mm (3.5517-3.5522 in) | ||
| Cylinder bore diameter - grade 3 | 90.226-90.239 mm (3.5522-3.5527 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 | 72.401-72.422 mm (2.85-2.851 in) | ||
| Head gasket surface flatness | 0.05 mm (0.0020 in) in any 150 mm x 150 mm (6.0 in x 6.0 in) area | ||
| Crankshaft | |||
| Main bearing journal diameter | 67.483-67.503 mm (2.65-2.657 in) | ||
| Main bearing journal maximum taper | 0.020 mm (0.0007 in) | ||
| Main bearing journal maximum out-of-round | 0.05 mm (0.002 in) | ||
| Main bearing journal-to-cylinder block clearance | 0.025-0.045 mm (0.0009-0.0018 in) | ||
| Connecting rod journal diameter | 52.983-53.003 mm (2.0819-2.0867 in) | ||
| Connecting rod journal maximum taper | 0.015 mm (0.0005 in) | ||
| Connecting rod journal maximum out-of-round | 0.05 mm (0.0020 in) | ||
| Crankshaft maximum end play | 0.130-0.301 mm (0.0051-0.0118 in) | ||
| Diameter-surface finish (RMS) | 0.2-0.6 Microns | ||
| Diameter-out-of-round limit mm (inch) | 0.015 (0.0006) | ||
| Diameter-out-of-round service limit mm (inch) | 0.020(0.00079) | ||
| Diameter-taper service limit mm (inch) | 0.006 (0.00023) | ||
| Piston and Connecting Rod | |||
| Piston diameter - coded red 1 | 90.177-90.197 mm (3.550-3.551 in) | ||
| Piston diameter - coded blue 2 | 90.190-90.210 mm (3.5507-3.5515 in) | ||
| Piston diameter - coded yellow 3 | 90.203-90.223 mm (3.513-3.5521 in) | ||
| Piston-to-cylinder bore clearance | 0.012-0.026 mm (0.0005-0.001 in) | ||
| Piston ring end gap - top and bottom | 0.23-0.49 mm (0.01-0.02 in) | ||
| Piston ring end gap - oil ring (steel rail) | 0.05-0.66 mm (0.006-0.026 in) | ||
| Piston ring groove width - compression (top) | 1.520-1.550 (0.06-0.610 in) | ||
| Piston ring groove width - compression (bottom) | 1.520-1.530 mm (0.060-0.0602 in) | ||
| Piston ring groove width - oil ring | 6.996-7.224 mm (0.275-0.2844 in) | ||
| Piston ring width - compression | 1.49-1.47 mm (0.0587-0.0579 in) | ||
| Piston ring width - oil ring rail (2) | 0.473-0.447 mm (0.0186-0.0176 in), 0.483 mm (0.0190 in) max. at ID | ||
| Piston ring width - oil ring expander | 2.038-1.960 mm (0.080-0.077 in) | ||
| Piston ring-to-groove clearance - compression | 0.030-0.070 mm (0.0012-0.0028 in) | ||
| Piston ring-to-groove clearance - oil ring assembly | 0.046-0.196 mm (0.0018-0.0077 in) | ||
| Piston pin bore diameter | 22.0125-22.0125 mm (0.8666-0.8668 in) | ||
| Piston pin diameter | 22.001-22.003 mm (0.8662-0.8663 in) | ||
| Piston pin length | 62.030 mm (2.44 in) | ||
| Piston pin-to-piston fit | 0.009-0.0165 mm (0.0003-0.0006 in) | ||
| Connecting rod-to-pin clearance | 0.009-0.023 mm (0.0003-0.0009 in) | ||
| Connecting rod pin bore diameter | 22.012-22.024 mm (0.866-0.867 in) | ||
| Connecting rod length (center-to-center) | 150.7 mm (5.93 in) | ||
| Connecting rod maximum allowed bend | 0.038 mm per 25 mm (0.0015-0.984 in) | ||
| Connecting rod maximum allowed twist | 0.050 mm per 25 mm (0.00197 per 0.9843 in) | ||
| Connecting rod bearing bore diameter | 56.866-56.886 mm (2.238-2.239 in) | ||
| Connecting rod bearing-to-crankshaft clearance | 0.027-0.069 mm (0.001-0.0027 in) | ||
| Connecting rod side clearance - assembled to crank (standard) | 0.15-0.45 mm (0.0059-0.0177 in) | ||
| Accessory Drive Belt | |||
| Drive belt | 6 ribs | ||
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