LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2003 >> Windstar Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 346 (Engine - 3.0L) >> Specifications >> General Specifications Chart
April 5, 2026: LEMON Manuals is launched! Read the announcement.

General Specifications Chart

WARNING: This page is about a different car, the 2004 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
GENERAL SPECIFICATIONS CHART

Item Specification
Lubricants and Sealants 
Motorcraft Premium Synthetic Blend SAE 5W-20 Motor Oil XO-5W20-QSP or equivalent WSS-M2C153-H
Metal Surface Cleaner F4AZ-19A536-RA WSE-M5B392-A
Silicone Gasket and Sealant F7AZ-19554-EA WSE-M4G323-A4
Engine 
Displacement 3.0L(4V) (181 CID)
Number of cylinders 6
Bore 89.0 mm (3.5 in)
Stroke 79.5 mm (3.13 in)
Firing order 1-4-2-5-3-6
Oil pressure (hot 1,500 RPM) 138-310 kPa (20-45 psi)
Oil capacity (with filter change) 6.7 L (6.9 qts)
Compression ratio 10.5:1
Cylinder Head and Valve Train 
Cylinder head gasket surface flatness (1)
Combustion chamber volume 45.7 cc nominal
Valve arrangement (front to rear) LH intake I-I-I-I-I-I LH exhaust E-E-E-E-E-E RH intake I-I-I-I-I-I RH exhaust E-E-E-E-E-E
Valve clearance - intake 0.175-0.225 mm (0.0069-0.0089 in)
Valve clearance - exhaust 0.325-0.375 mm (0.0128-0.0148 in)
Valve guide bore diameter 5.544-5.514 mm (0.218-0.217 in)
Valve stem diameter (standard) - intake 5.492-5.477 mm (0.216-0.215 in)
Valve stem diameter (standard) - exhaust 5.479-5.464 mm (0.215 in)
Valve stem-to-guide clearance - intake 0.023-0.067 mm (0.0008-0.0026 in)
Valve stem-to-guide clearance - exhaust 0.036-0.080 mm (0.001-0.003 in)
Valve head diameter - intake 35 mm (1.38 in)
Valve head diameter - exhaust 30 mm (1.18 in)
Valve head diameter - gauge diameter 33.5 and 28.0 mm (1.318 and 1.102 in)
Valve face runout 0.02 mm (0.007 in)
Valve face angle 45.5 degrees
Valve seat width - intake 1.1-1.4 mm (0.043-0.055 in)
Valve seat width - exhaust 1.4-1.7 mm (0.055-0.066 in)
Valve seat-to-guide runout 0.029 mm (0.001 in)
Valve seat angle 44.75 degrees
Valve spring free length (approx.) 44.2 mm (1.740 in)
Valve spring compression pressure (N @ spec. length) 400 at 24.5 mm (90.04 at 0.964 in)
Valve spring installed height 33.49-32.87 mm (1.32-1.29 in) (exhaust) 33.50-32.86 mm (1.32-1.29 in) (intake)
Valve spring installed pressure (N @ spec. length) 175 at 33.41 mm (39.34 at 1.315 in)
Camshaft 
Theoretical valve lift @ 0 lash -
Lobe lift - intake 9.367 mm (0.369 in)
Lobe lift - exhaust 9.461 mm (0.372 in)
Allowable lobe lift loss 0.035 mm (0.001 in)
Journal diameter 26.929-26.936 mm (1.060 in)
Camshaft journal bore inside diameter 27.012-26.936 mm (1.063-1.062 in)
Camshaft journal-to-bearing clearance - standard 0.025-0.084 mm (0.001-0.0033 in)
Camshaft journal-to-bearing clearance - service limit 0.025-0.084 mm (0.0009-0.0033 in)
Runout -
End play - standard 0.07-0.15 mm (0.002-0.005 in)
End play - service limit 0.277 mm (0.010 in)
Cylinder Block 
Cylinder bore diameter - grade 1 89.000-89.010 mm (3.503-3.504 in)
Cylinder bore diameter - grade 2 89.010-89.020 mm (3.504 in)
Cylinder bore diameter - grade 3 89.020-89.030 mm (3.504-3.505 in)
Cylinder bore maximum taper 0.020 mm (0.0007 in)
Cylinder bore maximum out-of-round - limit 0.015 mm (0.0005 in)
Cylinder bore maximum out-of-round - service limit 0.020 mm (0.0007 in)
Main bearing bore inside diameter 67.998-68.022 mm (2.677-2.6780 in)
Head gasket surface flatness 0.025-0.050 mm (0.0009-0.0019 in)
Head gasket surface finish 0.12 mm (0.004 in)
Crankshaft 
Main bearing journal diameter 62.968-62.992 mm (2.479-2.480 in)
Main bearing journal maximum taper -
Main bearing journal maximum out-of-round -
Main bearing journal-to-cylinder block clearance -
Connecting rod journal diameter 49.970-49.990 mm (1.967-1.968 in)
Connecting rod journal maximum taper -
Connecting rod journal maximum out-of-round -
Crankshaft maximum end play 0.110-0.232 mm (0.004-0.009 in)
Piston and Connecting Rod 
Piston diameter - coded grade 1 88.990-89.010 mm (3.5035-3.5043 in)
Piston diameter - coded grade 2 88.998-89.022 mm (3.5039-3.5048 in)
Piston diameter - coded grade 3 89.010-89.030 mm (3.5043-3.5051 in)
Piston-to-cylinder bore clearance 0.012-0.022 mm (0.0005-0.0009 in)
Piston ring end gap - compression (top, gauge diameter) 0.100-0.250 mm (0.0039-0.0098 in)
Piston ring end gap - compression (bottom, gauge diameter) 0.27-0.42 mm (0.0106-0.0165 in)
Piston ring end gap - oil ring (steel rail, gauge diameter) 0.15-0.65 mm (0.0059-0.0255 in)
Piston ring end gap - compression (top, service limit) 0.50 mm (0.0196 in) max.
Piston ring end gap - compression (bottom, service limit) 0.65 mm (0.0255 in) max.
Piston ring end gap - oil ring (steel rail, service limit) 0.90 mm (0.0354 in) max.
Piston ring groove width - compression (top) 1.230-1.245 mm (0.0484-0.0490 in)
Piston ring groove width - compression (bottom) 1.530-1.545 mm (0.0602-0.0608 in)
Piston ring groove width - oil ring 3.030-3.055 mm (0.1192-0.1203 in)
Piston ring width -
Piston ring-to-groove clearance -
Piston pin bore diameter 21.017-21.031 mm (0.827-0.828 in)
Piston pin diameter 21.011-21.013 mm (0.8272 in)
Piston pin length 60.51 -60.08 mm (2.382-2.365 in)
Piston pin-to-piston fit -0.005 to +0.001 mm (0.0001 -0.00003 in)
Piston-to-connecting rod clearance -
Connecting rod-to-pin clearance - standard 0.004-0.020 mm (0.0001 -0.0007 in)
Connecting rod-to-pin clearance - service limit 0.035 mm (0.0013 in)
Connecting rod pin bore diameter -
Connecting rod length (center-to-center) 138.06-138.14 mm (5.435-5.438 in)
Connecting rod maximum allowed bend 0.038 mm per 25.0 mm (0.0014 in per 0.984 in)
Connecting rod maximum allowed twist 0.050 mm per 25.0 mm (0.0019 in per 0.984 in)
Connecting rod bearing bore diameter -
Connecting rod bearing-to-crankshaft clearance 0.028-0.045 mm (0.0011-0.0017 in)
Connecting rod side clearance (assembled to crank) - standard 0.100-0.30 mm (0.0039-0.0118 in)
Connecting rod side clearance (assembled to crank) - service limit 0.35 mm (0.0137 in) max.
(1) See ENGINE SYSTEM-GENERAL INFORMATION .