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Section 179 (Engine Mechanical - 5.0L (4V)): Specifications

WARNING: This page is about a different car, the 2013 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
MATERIAL SPECIFICATIONS

Item Specification Fill Capacity
Motorcraft® Metal Surface Prep
ZC-31-A
- -
Motorcraft® SAE 5W-20 Premium Synthetic Blend Motor Oil (US); Motorcraft® SAE 5W-20 Super Premium Motor Oil (Canada)
XO-5W20-QSP (US); CXO-5W20-LSP12 (Canada)
WSS-M2C945-A 7.6 L (8.0 qt.)
Motorcraft® SAE 5W-50 Full Synthetic Motor Oil
XO-5W50-QGT
WSS-M2C931-B 8.0 L (8.5 qt.)
Motorcraft® Silicone Gasket Remover
ZC-30
- -
Motorcraft® Orange Antifreeze/Coolant Concentrated
VC-3-B (US); CVC-3-B2 (Canada)
WSS-M97B44-D Base engine without oil cooler 12.3 L (13.0 qt.) Base engine with oil cooler 14.4 L (15.2 qt.) Boss® 14.4 L (15.2 qt.)
Motorcraft® Multi-Purpose Grease
XL-5
ESB-M1C93-B -
Motorcraft® Silicone Brake Caliper Grease and Dielectric Compound
XG-3-A
ESE-M1C171-A -
Motorcraft® Silicone Gasket and Sealant
TA-30
WSE-M4G323-A4 -
GENERAL SPECIFICATIONS

Item Specification
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 12405
Spark plug gap 1.25-1.35 mm (0.049-0.053 in)
Oil pressure at idle (engine at normal operating temperature) 69 kPa (10 psi)-103 kPa (15 psi)
Oil pressure at 2, 000 rpm (engine at normal operating temperature) 207 kPa (30 psi)-276 kPa (40 psi)
Compression ratio 11.0:1
Engine weight 195.5 kg (431 lb)
Cylinder Head and Valve Train - All engines except Boss® 302 
Combustion chamber volume 54.5-57.5 cc (3.33-3.51 cu in)
Valve stem diameter - intake 6.015-6.044 mm (0.2368-0.2379 in)
Valve stem diameter - exhaust 6.015-6.044 mm (0.2368-0.2379 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 3 angle
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 121/91/61 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
Cylinder Head and Valve Train - Boss® 302 engines 
Combustion chamber volume 54.1-57.1 cc (3.30-3.48 cu in)
Valve stem diameter - intake 6.015-6.044 mm (0.2368-0.2379 in)
Valve stem diameter - exhaust 6.015-6.044 mm (0.2368-0.2379 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 31.8 mm (1.251 in)
Valve face runout 0.05 mm (0.0019 in)
Valve face angle 3 angle
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 spring perpendicularity - intake 3 mm (0.118 in)
Valve spring perpendicularity - exhaust 3 mm (0.118 in)
Valve spring installed height - intake 40 mm (1.5748 in)
Valve spring installed height - exhaust 40 mm (1.5748 in)
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 12 mm (0.472 in)
Diameter - exhaust 12 mm (0.472 in)
Clearance-to-bore 0.018-0.050 mm (0.0007-0.0019 in)
Hydraulic leakdown rate - intake 0.45-3 seconds (1)
Hydraulic leakdown rate - exhaust 0.45-3 seconds(1)
Collapsed lash adjuster gap 0.35-0.85 mm (0.0137-0.0334 in)
Camshaft - All engines except Boss® 302 
Lobe lift - intake 5.963 mm (0.2348 in)
Lobe lift - exhaust 5.488 mm (0.2160 in)
Journal diameter 28.620 mm (1.1267 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)
Camshaft - Boss® 302 engines 
Lobe lift - intake 5.963 mm (0.2348 in)
Journal diameter 28.620 mm (1.1267 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 (circularity) 0.006 mm (0.0002 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) (2) 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)
(1) Time required for the plunger to leak down 1.6 mm of travel with 222 N force and leakdown fluid in the lash adjuster.
(2) Before Grafal coating.
TORQUE SPECIFICATIONS

Description Nm lb-ft lb-in
A/C compressor fitting nut 15 - 133
A/C compressor stud bolts 25 18 -
Accessory drive belt tensioner bolt 48 35 -
Camshaft bearing cap bolts (1) - - -
Camshaft bearing mega cap bolts(2) - - -
CMP sensor bolt 10 - 89
Catalytic convertor-to-exhaust manifold nuts 40 30 -
Clutch pressure plate(1) - - -
Connecting rod cap bolts(1) - - -
Coolant outlet bolts 10 - 89
Coolant outlet pipe bolt 10 - 89
Coolant pump bolts 20 - 177
Coolant pump pulley bolts 20 - 177
Cooling fan assembly nut and bolt 9 - 80
Crankshaft main bearing cap bolts(1) - - -
CKP sensor bolt 10 - 89
Crankshaft pulley bolt(1) - - -
Crankshaft rear seal retainer plate bolts(1) - - -
Cylinder head bolts(1) - - -
CHT sensor 11 - 97
Engine front cover bolts(1) - - -
Engine oil filter (2) - - -
EOP (3) - - -
Engine shields 7 - 62
Engine support insulator bolts 55 41 -
Engine support insulator bracket bolts and stud bolts 55 41 -
Engine support insulator nuts 63 46 -
Engine-to-transmission bolts and stud bolts 48 35 -
Exhaust H-pipe clamp nuts 48 35 -
Exhaust manifold nuts(1) - - -
Exhaust manifold studs 25 18 -
Flexplate(1) - - -
Flexplate inspection cover bolts 35 26 -
Flywheel(1) - - -
Front crossmember brace 48 35 -
Fuel rail bolts(1) - - -
Generator B+ wire terminal nut 17 - 150
Generator bolt and nut 48 35 -
Ground strap-to-cowl bolt 10 - 89
Ground strap-to-RH engine support insulator nut 48 35 -
Heater hose support nuts 7 - 62
Hood bolts 12 - 106
Ignition coil-on-plug bolt 6 - 53
Intake manifold assembly bolts(1) - - -
Knock Sensor (KS) 20 - 177
Lower underbody shield bolts 10 - 89
Oil cooler threaded fitting 58 43 -
Oil filter adapter bolts(1) - - -
Oil pan bolts(1) - - -
Oil pan drain plug 26 19 -
Oil pan stud bolts(1) - - -
Oil pan stud bolt bolt-to-wiring harness bracket nut 8 - 71
Oil pump bolts and stud bolts(1) - - -
Oil pump screen and pickup tube bolts(1) - - -
Oil pump screen and pickup tube spacer 25 18 -
Primary timing chain tensioner bolts 10 - 89
Spark plugs 15 - 133
Steering column dash boot nuts 9 - 80
Steering intermediate shaft bolt 47 35 -
Strut tower cross brace 35 26 -
Subframe nuts and bolts 115 85 -
Thermostat housing bolts 10 - 89
Timing chain guide bolts 10 - 89
Torque converter nuts 40 30 -
Transmission fluid cooler tube bracket-to-flexplate inspection cover stud bolt nut 13 - 115
Transmission fluid cooler tube bracket-to-RH engine support insulator bracket stud bolt nut 48 35 -
Transmission fluid cooler tube clamp-to-fan shroud bolt 8 - 71
Underbody shield bolt 10 - 89
Valve cover bolts(1) - - -
VCT assembly bolts(1) - - -
(1) Refer to the appropriate procedure.
(2) Do not lubricate O-ring seal, tighten to 16 Nm (142 lb-in).
(3) Tighten to 14 Nm (124 lb-in) plus an additional 180 degrees.