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General Specifications

WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
GENERAL SPECIFICATIONS

Item Specification
Lubricants and Sealants 
SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP (in Canada Motorcraft SAE 5W-20 Super Premium Motor Oil CXO-5W20-LSP12) or equivalent WSS-M2C930-A
Motorcraft Premium Gold Engine Coolant VC-7-A (in California, Oregon and New Mexico VC-7-B, in Canada CVC-7-A) or equivalent (yellow color) WSS-M97B51-A1
Metal Surface Prep ZC-31 -
Silicone Gasket and Sealant TA-30 or equivalent WSE-M4G323-A4
Silicone Gasket Remover ZC-30 -
Engine 
Displacement (CID) 6.8L (415)
No. of Cylinders 10
Bore/Stroke 90.215/105.8 mm
Fire order 1--6-5--10-2--7-3--8-4--9
Oil pressure 93.33°C (200°F) @ 2,000 rpm 276--517 kPa (40--75 psi)
Cylinder Head and Valve Train 
Combustion chamber volume 48.1--51.1 cc (2.92--3.12 cu in)
Valve arrangement (front to rear) - LH I-E-I-I-E-I-I-E-I-I-E-I-I-E-I
Valve arrangement (front to rear) - RH I-E-I-I-E-I-I-E-I-I-E-I-I-E-I
Valve guide bore diameter 6.015--6.044 mm (0.237--0.238 in)
Valve stem diameter - intake 5.975--5.995 mm (0.235--0.236 in)
Valve stem diameter - exhaust 5.95--5.97 mm (0.234--0.235 in)
Valve stem-to-guide clearance - intake 0.020--0.069 mm (0.001--0.003 in)
Valve stem-to-guide clearance - exhaust 0.045--0.094 mm (0.002--0.004 in)
Valve head diameter - intake 33.62--33.98 mm (1.324--1.338 in)
Valve head diameter - exhaust 37.32--37.68 mm (1.469--1.483 in)
Valve face runout 0.05 mm (0.002 in)
Valve face angle 45.5 degrees
Valve seat width - intake 1.2--1.4 mm (0.047--0.055 in)
Valve seat width - exhaust 1.4--1.6 mm (0.055--0.063 in)
Valve seat angle 44.5--45.0 degrees
Valve spring free length 56.5 mm (2.22 in)
Valve spring compression pressure 760 N (79 lbs) +/- 17.5 N (171 lbs) @ 42.04 mm (1.66 in)
Valve spring installed height 42.04 mm (1.66 in)
Valve spring installed pressure 350 N (79 lbs) +/- 17.5 N (4 lbs) @ 42.04 mm (1.66 in)
Roller follower ratio -
Hydraulic Lash Adjuster 
Diameter -
Clearance-to-bore -
Service limit -
Hydraulic leakdown rate -
Collapsed lash adjuster gap -
Camshaft 
Theoretical valve lift @ 0 lash - intake 11.1 mm (0.437 in)
Theoretical valve lift @ 0 lash - exhaust 11.0 mm (0.433 in)
Lobe lift - intake 5.475 mm (0.216 in)
Lobe lift - exhaust 5.520 mm (0.217 in)
Allowable lobe lift loss 0.127 mm (0.005 in)
Journal diameter 28.607--28.633 mm (1.126--1.127 in)
Camshaft journal bore inside diameter 28.657--28.682 mm (1.128--1.129 in)
Camshaft journal-to-bearing clearance 0.024--0.075 mm (0.0009--0.0029 in)
Runout 0.09 mm (0.004 in)
End play 0.035--0.050 mm (0.0013--0.0019 in)
Cylinder Block 
Cylinder bore diameter - grade 1 90.200--90.210 mm (3.5512--3.5516 in)
Cylinder bore diameter - grade 2 90.210--90.220 mm (3.5516--3.5520 in)
Cylinder bore diameter - grade 3 0.220--90.230 mm (3.5520--3.5524 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)
Crankshaft 
Main bearing journal diameter 67.481--67.505 mm (2.6568--2.6576 in)
Main bearing journal maximum taper 0.004 mm (0.0002 in)
Main bearing journal maximum out-of-round 0.0075 mm (0.0003 in) between cross sections
Main bearing journal-to-cylinder block clearance 0.048--0.024 mm (0.0019--0.0009 in)
Connecting rod journal diameter 53.003--52.983 mm (2.0867--2.0859 in)
Connecting rod journal maximum taper 0.004 mm (0.0002 in)
Connecting rod journal maximum out-of-round 0.0075 mm (0.0003 in) between cross sections
Crankshaft maximum end play 0.075--0.377 mm (0.0030--0.0148 in)
Piston and Connecting Rod 
Piston diameter - grade 1 (at right angle to pin bore) 90.175--90.165 mm (3.5502--3.5498 in)
Piston diameter - grade 2 (at right angle to pin bore) 90.185--90.175 mm (3.5506--3.5502 in)
Piston diameter - grade 3 (at right angle to pin bore) 90.195--90.185 mm (3.5510--3.5506 in)
Piston-to-cylinder bore clearance (at grade size) 0.005--0.025 mm (0.0002-0.0010 in)
Piston ring end gap - top 0.15--0.30 mm (0.0059--0.0118 in)
Piston ring end gap - intermediate 0.25--0.50 mm (0.0098--0.0196 in)
Piston ring end gap - oil control 0.15--0.65 mm (0.0059--0.0256 in)
Piston ring groove width - top 1.502--1.505 mm (0.0591--0.0592 in)
Piston ring groove width - intermediate 1.52--1.54 mm (0.0598--0.0606 in)
Piston ring groove width - oil control 3.030--3.050 mm (0.1193--0.1201 in)
Piston ring width 1.49--1.46 mm (0.0587--0.0575 in)
Piston ring-to-groove clearance - top 0.030--0.050 mm (0.0012--0.0020 in)
Piston ring-to-groove clearance - intermediate 0.030--0.080 mm (0.0012--0.0031 in)
Piston pin bore diameter 22.008--22.014 mm (0.8665--0.8667 in)
Piston pin diameter 22.0005--22.0030 mm (0.8662--0.8663 in)
Piston pin length 61.8 mm (2.433 in)
Piston pin-to-piston fit 0.005--0.013 mm (0.0002--0.0005 in)
Connecting rod-to-pin clearance 0.009--0.0235 mm (0.0004--0.0093 in)
Connecting rod pin bore diameter 22.012--22.024 mm (0.8666--0.8671 in)
Connecting rod length (center-to-center) 169.1 mm (6.6575 in)
Connecting rod maximum allowed bend +/- 0.038 mm (0.0015 in)
Connecting rod maximum allowed twist(1) +/- 0.05 mm (0.0020 in)
Connecting rod bearing bore diameter (with assembled liners) 53.049--53.027 mm (2.0885--2.0877 in)
Connecting rod bearing-to-crankshaft clearance 0.066--0.024 mm (0.0025--0.0009 in)
Connecting rod side clearance 0.475--0.125 mm (0.0187--0.0049 in)
Balance Shaft System 
Balance shaft journal diameter 26.962 - 26.936 mm
Clearance - balance shaft journal-to-cylinder head 0.076 - 0.025 mm
Cylinder head balance shaft journal diameter 27.012 - 26.987 mm
Gear backlash 0.0076 - 0.1295 mm
Balance shaft end play 0.04 - 0.18 mm
Rod length (centerline bore-to-bore) 169.1 mm
Alignment  
Bore-to-bore max. twist +/- 0.05 mm
Bore-to-bore max. bend +/- 0.038 mm
Side play (as assembled to crank)  
Standard play 0.410 +/- 0.26 mm
Max. play 0.670 mm
(1) The pin bore and crank bearing bore must be parallel and in the same vertical plane within the specified total difference when measured at the ends of a 203 mm bar, 105.5 mm on each side of rod centerline.