LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2003 >> Mustang Base, 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine-4.6L 2V) >> Specifications >> General Specifications
April 5, 2026: LEMON Manuals is launched! Read the announcement.

General Specifications

WARNING: This page is about a different variant/trim than selected.
ENGINE - 4.6L (2V) GENERAL SPECIFICATIONS

Item Specification
Lubricants and Sealants 
Silicone Gasket and Sealant F7AZ-19554-EA WSE-M4G323-A4
Premium Engine Coolant VC-4A, VC-5 in Oregon, CXC-10 in Canada ESE-M97B44-A
Super Premium 5W-20 Motor Oil XO-5W20-QSP WSS-M2C153-H
Threadlock 262 E2FZ-19554-B WSK-M2G351-A6
Metal Surface Cleaner F4AZ-19A536-RA or equivalent WSE-M5B392-A
Engine 
Displacement 4.6L (2V) (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 (hot 1,500 rpm) 138-310 kPa (20-45 psi)
Oil capacity 6.25 ± 0.25 quarts (1)
Compression ratio 9.37:1 (+0.61/-0.46)
Cylinder Head and Valve Train 
Combustion chamber volume 43.9 ± 1.5 cm3
Valve arrangement (front to rear) - LH (2) E-I-E-I-E-I-E-I
Valve arrangement (front to rear) - RH (2) I-E-I-E-I-E-I-E
Valve guide bore diameter 7.015-7.044 mm (0.2762-0.2773 in)
Valve stem diameter 6.975-6.995 mm (0.2754-0.2746 in)
Valve stem-to-guide clearance - intake 0.020-0.069 mm (0.00078-0.00272 in)
Valve stem-to-guide clearance - exhaust 0.046-0.095 mm (0.0018-0.0037 in)
Valve head diameter - intake 44.37-44.63 mm (1.75-1.76 in)
Valve head diameter - exhaust 35.88-36.14 mm (1.41-1.43 in)
Valve face runout 0.05 mm (0.002 in)
Valve face angle 45.5 degrees
Valve seat width 1.3-1.5 mm (0.051-0.060 in)
Valve seat runout (T.I.R.) Recommended 0.025 mm (0.001 in) max. 0.050 mm (0.002 in)
Valve seat angle 45 degrees
Valve spring free length (approx.) 51.77-54.97 mm (2.04-2.16 in)
Valve spring squareness 2 degrees
Valve spring compression pressure 720.0-800.0 N @ 28.80 mm (161.9 lb @ 1.13 in)
Valve spring installed height 42.3-42.9 mm (1.67-1.69 in)
Valve spring installed pressure 283.0-321.0 N @ 42.56 mm (63.61 lb @ 1.68 in)
Roller follower ratio - intake 2.02:1
Roller follower ratio - exhaust 2.03:1
Hydraulic Lash Adjuster 
Diameter 16.000-15.988 mm (0.6299-0.6294 in)
Clearance-to-bore 0.018-0.069 mm (0.0007-0.0027 in)
Service limit 15.988 mm
Hydraulic leakdown rate (3) 5-25 seconds
Collapsed lash adjuster gap - desired 0.45-0.85 mm (0.02-0.03 in)
Camshaft 
Theoretical valve lift @ 0 lash - intake 13.00 mm (0.51 in)
Theoretical valve lift @ 0 lash - exhaust 13.75 mm (0.54 in)
Lobe lift - intake 7.11038 mm (0.28 in)
Lobe lift - exhaust 7.4794 mm (0.30 in)
Allowable lobe lift loss 0 mm (0.0 in)
Journal diameter 26.962-26.936 mm (1.0615-1.0605 in)
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 in)
Camshaft journal-to-bearing clearance - service limit 0.100 mm (0.003937 in) max.
Runout - Front and rear journals 0.03 mm (0.001 in)
Runout - four inner journals 0.09 mm (0.003 in)
End play 0.027-0.190 mm (0.001-0.007 in)
End play - service limit 0.190 mm (0.007480 in)
Cylinder Block 
Cylinder bore diameter 31 mm (1.24 in) from top of block
red - 90.200-90.210
blue - 90.210-90.220
yellow - 90.220-90.230
Cylinder bore maximum taper 0.70 mm (0.027559 in)
Cylinder bore maximum out-of-round - limit 0.20 mm (0.007874 in)
Cylinder bore maximum out-of-round - service limit 0.70 mm (0.027559 in)
Main bearing bore inside diameter 72.400-72.424 mm (2.8504-2.8513 in)
Crankshaft 
Main bearing journal diameter 67.482-67.504 mm (2.66-21.661 in)
Main bearing journal maximum taper 0.004 mm (0.0002 in)
Main bearing journal maximum out-of-round 0.05 mm (0.002 in)
Main bearing journal-to-cylinder block clearance - desired 0.025-0.044 mm (0.001-0.002 in)
Main bearing journal-to-cylinder block clearance - allowable 0.025-0.050 mm (0.00098-0.00197 in)
Connecting rod journal diameter 52.983-53.003 mm (2.085941-2.086728 in)
Connecting rod journal maximum taper 0.004 mm (0.0002 in)
Connecting rod journal maximum out-of-round 0.05 mm (0.002 in)
Crankshaft maximum end play 0.075-0.377 mm (0.003-0.015 in)
Piston and Connecting Rod 
Piston diameter - code red 1 (4) 90.185-90.205 mm (3.55-3.551 in)
Piston diameter - code blue 2 (4) 90.195-90.215 mm (3.55-3.551 in)
Piston diameter - code yellow 3 (4) 90.205-90.225 mm (3.551-3.552 in)
Piston-to-cylinder bore clearance --0.005-0.025 mm (-0.002/+0.001 in)
Piston ring end gap - compression (top) (5) 0.130-0.280 mm (0.005-0.011 in)
Piston ring end gap - compression (bottom) (5) 0.300-0.550 mm (0.0018-0.0022 in)
Piston ring end gap - oil ring (steel rail) (5) 0.150-0.650 mm (0.006-0.0256 in)
Piston ring groove width - compression (top) 1.530-1.550 mm (0.06-0.061 in)
Piston ring groove width - compression (bottom) 1.520-1.540 mm (0.06-0.061 in)
Piston ring groove width - oil ring 3.030-3.050 mm (0.12-0.12 in)
Piston ring width - compression (top) 1.480-1.500 mm (0.058-0.059 in)
Piston ring width - compression (bottom) 1.470-1.490 mm (0.0587-0.0586 in)
Piston ring-to-groove clearance - compression (top) 0.050-0.090 mm (0.002-0.004 in)
Piston ring-to-groove clearance - compression (bottom) 0.030-0.080 mm (0.00118-0.00315 in)
Piston ring-to-groove clearance - oil ring Snug fit
Piston pin bore diameter (6) 21.008-22.014 mm (0.866-0.867 in)
Piston pin diameter 22.0010-22.0030 mm (0.87-0.871 in)
Piston pin length 61.601-62.030 mm (2.42523-2.44212 in)
Piston pin-to-piston fit -0.005/+0.0135 mm (-0.0002/+0.0005 in)
Piston-to-connecting rod clearance - standard 0.009-0.0235 mm (0.0004-0.00092 in)
Piston-to-connecting rod clearance - service limit 0.035 mm (0.001378 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 (0.86661-0.86708 in)
Connecting rod length (center-to-center) 150.7 mm (5.933 in)
Connecting rod maximum allowed bend* 0.038 per 25 mm (0.00150 per 0.9843 in)
Connecting rod maximum allowed twist (7) 0.050 per 25 mm (0.00197 per 0.9843 in)
Connecting rod bearing bore diameter 56.866-56.886 mm (2.23881-2.23960 in)
Connecting rod bearing-to--crankshaft clearance 0.027-0.069 mm (0.0010629-0.0027165 in)
Connecting rod side clearance - standard 0.125-0.475 mm (0.005-0.019 in)
Connecting rod side clearance - service limit 0.50 mm (0.01969 in) max.
(1) With installation of a new filter.
(2) Distance front edge of bearing is installed below front face of cylinder block.
(3) Time necessary for plunger to leak down 1.6 mm of travel with 222 N force and leak down fluid in tappet.
(4) Measured at 31.5 mm from top of block. Measured at 43 mm from top of piston, at 90 degrees to the piston pin.
(5) Specification in 90.200 mm diameter gauge.
(6) If applicable, measured vertically, +0.030-0.050 mm (0.001-0.002 inch) measured horizontally (oval pin bore).
(7) Pin bore and crank bearing bore must be parallel and in same vertical plane within the specified total difference when measured at the ends of a 203 mm bar, 101.5 mm on each side of rod centerline.
scientia non olet · About LEMON Manuals