General Specifications
WARNING: This page is about a different variant/trim than selected.
ENGINE - COBRA 4.6L (4V) GENERAL SPECIFICATIONS
| Item | Specification | ||||||
|---|---|---|---|---|---|---|---|
| Lubricants and Sealants | |||||||
| Motorcraft Premium Engine Coolant VC-4-A (In Oregon VC-5, In Canada CXC-10) | ESE-M97B44-A | ||||||
| Motorcraft Premium Gold Engine Coolant VC-7-A (In Oregon VC-7-B) | WSS-M97B51-A1 | ||||||
| SAE 5W-20 Engine Premium Synthetic Blend Engine Oil XO-5W20-QSP | WSS-M2C153-H | ||||||
| Metal Surface Cleaner F4AZ-19A536-RA | WSE-M5B392-A | ||||||
| Silicone Gasket and Sealant F7AZ-19554-EA | WSE-M4G323-A4 | ||||||
| Pipe Sealant with Teflon® D8AZ-19554-A | WSK-M2G350-A2 | ||||||
| Threadlock 262 E2FZ-19554-B | WSK-M2G351-A6 | ||||||
| Engine | |||||||
| Displacement | 4.6L (4V) (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 | ||||||
| Oil pressure | 138-310 kPa | ||||||
| Oil capacity | 6 ± 0.25 (1) | ||||||
| Compression ratio | 8.5:1 | ||||||
| Cylinder Head and Valve Train | |||||||
| Cylinder head gasket surface flatness | 0.10 mm (0.004 inch) max. overall | ||||||
| Combustion chamber volume | 52.6 ± 0.5 cm | ||||||
| Valve arrangement (front to rear) (2) Intake (left hand): | S-P-S-P-S-P-S-P | ||||||
| Valve arrangement (front to rear) Exhaust (left hand): Valve arrangement (front to rear) Intake (right hand): |
E-E-E-E-E-E-E-E P-S-P-S-P-S-P-S |
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| Valve arrangement (front to rear) Exhaust (right hand): |
E-E-E-E-E-E-E-E | ||||||
| Valve guide bore diameter | 7.015-7.044 mm (0.2762-0.2773 in) | ||||||
| Valve stem diameter-intake | 6.975-6.995 mm (0.2754-0.2746 inch) | ||||||
| Valve stem diameter-exhaust | 6.949-6.970 mm (0.2744-0.2736 inch) | ||||||
| Valve stem-to-guide clearance-intake | 0.020-0.069 mm (0.00078-0.00272 inch) | ||||||
| Valve stem-to-guide clearance-exhaust | 0.046-0.094 mm (0.0018-0.0037 in) | ||||||
| Valve head diameter-intake | 37 mm (1.46 inch) | ||||||
| Valve head diameter-exhaust | 30 mm (1.18 inch) | ||||||
| Valve face runout | 0.05 mm (0.002 in) | ||||||
| Valve face angle | 45.5 degrees | ||||||
| Valve seat width-intake | 1.8-2.2 mm (0.071-0.086 inch) | ||||||
| Valve seat width-exhaust | 1.8-2.2 mm (0.071-0.086 inch) | ||||||
| Valve seat runout | 0.05 mm (0.002 inch) | ||||||
| Valve seat angle | 45 degrees | ||||||
| Valve spring free length-intake | 42.16 mm (1.6598 inch) | ||||||
| Valve spring free length-exhaust | 42.16 mm (1.6598 inch) | ||||||
| Valve spring squareness | 2 degrees | ||||||
| Valve spring compression pressure-intake | 711.47 N @ 26.19 mm (159.9 lb-ft @ 1.031 inch) | ||||||
| Valve spring compression pressure-exhaust | 711.47 N @ 26.19 mm (159.9 lb-ft @ 1.031 inch) | ||||||
| Valve spring installed height | 36.14 mm (1.4228 in) | ||||||
| Valve spring installed pressure-intake | 289.1 N @ 36.14 mm (64.99 lb-ft @ 1.4228 inch) | ||||||
| Valve spring installed pressure-exhaust | 289.1 N @ 36.14 mm (64.99 lb-ft @ 1.4228 inch) | ||||||
| Roller follower ratio | 1.8:1 | ||||||
| Hydraulic Lash Adjuster | |||||||
| Diameter | 16.000-15.988 mm (0.6299-0.6294 inch) | ||||||
| Clearance-to-bore | 0.018-0.069 mm (0.000709-0.002717 inch) | ||||||
| Service limit | 0.016 mm (1.0006299 inch) | ||||||
| Hydraulic leakdown rate (3) | 5-25 seconds | ||||||
| Collapsed lash adjuster gap | 0.80-1.20 mm (0.0315-0.0472 inch) | ||||||
| Camshaft | |||||||
| Theoretical valve lift @ 0 lash-intake (primary and secondary) | 10.0 mm (0.3937 inch) | ||||||
| Theoretical valve lift @ 0 lash-exhaust | 10.0 mm (0.3937 inch) | ||||||
| Lobe lift | 5.54 mm (0.218 in) | ||||||
| Allowable lobe lift loss | 0.130 mm (0.0051 in) | ||||||
| Journal diameter | 26.962-26.936 mm (1.0615-1.0605 inch) | ||||||
| Camshaft journal bore inside diameter | 27.012-26.987 mm (1.0635-1.0625 in) | ||||||
| Camshaft journal-to bearing clearance | 0.025-0.076 mm (0.00098-0.002992 inch) | ||||||
| Runout | 0.025 mm (0.0010 in) | ||||||
| End play | 0.025-0.165 mm (0.00098-0.00649 inch) | ||||||
| Cylinder Block | |||||||
| Cylinder bore diameter | 90.2-90.239 mm | ||||||
| Cylinder bore maximum taper | 0.016 mm | ||||||
| Cylinder bore maximum out-of-round | 0.016 mm | ||||||
| Main bearing bore diameter | 72.402-72.422 mm | ||||||
| Head gasket surface flatness | 0.15 mm (0.006 in) max. overall | ||||||
| Crankshaft | |||||||
| Main bearing journal diameter | 67.493 mm | ||||||
| Main bearing journal maximum taper | 0.05 mm | ||||||
| Main bearing journal maximum out-of round | 0.05 mm | ||||||
| Main bearing journal-to-cylinder block clearance | 0.023-0.055 mm | ||||||
| Connecting rod journal diameter | 56.866-56.886 mm | ||||||
| Connecting rod journal maximum taper | 0.004 mm (0.0002 in) | ||||||
| Connecting rod journal maximum out-of-round | 0.004 mm (0.0002 in) | ||||||
| Crankshaft maximum end play | 0.130-0.301 mm | ||||||
| Thrust bearing journal diameter | 67.493 mm | ||||||
| Thrust bearing journal maximum out-of round | 0.05 mm | ||||||
| Thrust bearing journal maximum taper | 0.05 mm | ||||||
| Thrust bearing journal length | 17.725-17.775 mm | ||||||
| Piston and Connecting Rod | |||||||
| Piston diameter | 90.180-90.191 mm | ||||||
| Piston-to-cylinder bore clearance | -0.010/+0.026 mm | ||||||
| Piston ring end gap - compression (top) | 0.30 mm | ||||||
| Piston ring end gap - compression (bottom) | 0.50 mm | ||||||
| Piston ring end gap - compression (oil ring) | 0.65 mm | ||||||
| Piston ring groove width - compression (top) | 1.53-1.549 mm | ||||||
| Piston ring groove width - compression (bottom) | 1.519-1.539 mm | ||||||
| Piston ring groove width - oil ring | 3.031-3.055 mm | ||||||
| Piston ring width - compression (top) | 1.47-1.49 mm | ||||||
| Piston ring width - compression (bottom) | 1.47-1.49 mm | ||||||
| Piston ring width - oil ring | 2.854-2.984 mm | ||||||
| Piston ring-to groove clearance - compression (top) | 0.04-0.079 mm | ||||||
| Piston ring-to groove clearance - compression (bottom) | 0.029-0.069 mm | ||||||
| Piston ring-to groove clearance - oil ring | 0.047-0.201 mm | ||||||
| Piston pin bore diameter | 22.0042-21.998 mm | ||||||
| Piston pin diameter | 21.991-29.994 mm | ||||||
| Piston pin length | 61.60-62.03 mm | ||||||
| Piston pin-to-piston fit | 0.0058-0.0132 mm | ||||||
| Connecting rod-to-pin clearance | 0.018-0.033 mm | ||||||
| Connecting rod pin bore diameter | 22.012-22.024 mm | ||||||
| Connecting rod length | 150.7 mm | ||||||
| Connecting rod maximum allowed bend | 0.038 mm per 25 mm | ||||||
| Connecting rod maximum allowed twist | 0.050 mm per 25 mm | ||||||
| Connecting rod bearing bore diameter | 56.866-56.886 mm | ||||||
| Connecting rod bearing-to-crankshaft clearance | 0.027-0.069 mm | ||||||
| Connecting rod side clearance | 0.15-0.45 mm | ||||||
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