General Specifications
WARNING: This page is about a different variant/trim than selected.
GENERAL SPECIFICATIONS
| Item | Specification |
|---|---|
| Sealant and Lubricants | |
| Instant Gel Adhesive TA-19 or equivalent | WSK-M2G402-A4 |
| Metal Surface Prep ZC-31 | - |
| Motorcraft Premium Gold Engine Coolant VC-7-A (in California and Oregon VC-7-B, in Canada VC-7-C) or equivalent (yellow color) | WSS-M97B51-A1 |
| SAE 5W20 Premium Synthetic Blend Motor Oil XO-5W20-QSP | WSS-M2C930-A |
| 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/Valve Train | |
| Combustion chamber volume | 52.6 - 51.6 cc |
| Valve seat width - intake | 1.5-1.3 mm |
| Valve seat width - exhaust | 1.5-1.3 mm |
| Valve seat angle | 45.00-44.50 degrees |
| Valve seat runout (T.I.R.) | 0.04 mm |
| Valve Arrangement (Front to Rear) | |
| Valve stem guide clearance Intake |
0.069-0.020 mm |
| Exhaust | 0.094-0.045 mm |
| Valve head diameter Intake |
44.63-44.37 mm |
| Exhaust | 36.14-35.44 mm |
| Valve face runout (limit) | 0.05 mm |
| Valve face angle | 45.75-45.25 degrees |
| Valve stem diameter Intake | 6.995-6.975 mm |
| Exhaust | 6.970-6.949 mm |
| Valve spring compression pressure Intake (N @ Spec. Length) |
760 N @ 28.8 mm |
| Exhaust (N @ Spec. Length) | 760 N @ 28.8 mm |
| Valve spring free length Intake |
53.37 mm |
| Exhaust | 53.37 mm |
| Valve spring installed pressure (N @ Spec. Length) Intake |
302 N @ 42.56 mm |
| Exhaust | 302 N @ 42.56 mm |
| Valve springs installed pressure (N @ Spec. Length - Service Limit) Intake |
283 mm @ 42.56 mm |
| Exhaust | 283 mm @ 42.56 mm |
| Valve springs - out of square limit Intake |
2.5 degrees |
| Exhaust | 2.5 degrees |
| Valve guide inside diameter | 7.044-7.015 mm |
| Camshaft | |
| Lobe lift Intake |
7.10983 mm |
| Exhaust | 7.49724 mm |
| Lobe lift - allowable lift loss | 0 |
| Valve lift @ zero lash Intake |
12 mm |
| Exhaust | 12 mm |
| Camshaft end play | 0.190-0.027 mm |
| End play service limit | 0.190-0.027 mm |
| Journal-to-bearing clearance | 0.076-0.025 mm |
| Journal diameters | 26.962-26.936 mm |
| Journal inside diameter (cap assembled) | 27.012-26.987 mm |
| Camshaft runout: full indicator measurement on all journals when supported on front and rear journals | 0.09 mm (5 places) |
| Cylinder Bore Diameter Grade 1 |
90.200-90.210 mm |
| Grade 2 | 90.210-90.220 mm |
| Grade 3 | 90.220-90.230 mm |
| Piston | |
| Piston diameter (Grade 2) at right angle-to-pin bore | 90.180 +/- 0.005 mm |
| Piston-to-bore clearance | (-0.005) to +0.025 mm |
| Pin bore diameter (piston) | 22.008-22.014 mm |
| Pin diameter | 22.0010-22.0030 mm |
| Clearance (neg. or pos.) | 0.013-0.005 mm |
| Pin bore diameter (rod) | 22.012-22.024 mm |
| Clearance | 0.009-0.023 mm |
| Ring groove width Top |
1.500-1.505 mm |
| Intermediate | 1.502-1.504 mm |
| Oil control | 3.030-3.050 mm |
| Piston ring gap Top |
0.15-0.30 mm |
| Intermediate | 0.25-0.50 mm |
| Oil control | 0.15-0.65 mm |
| Crankshaft | |
| Main bearing journal diameter Maximum out-of-round |
67.481-67.505 0.0075 mm between cross sections |
| Maximum taper (Straightness) | 0.004 mm |
| Runout: FIM of center journals when located on front and rear journal | 0.05 mm 3 Places |
| Clearance - crankshaft journal-to-main bearing clearance | 0.048-0.024 mm |
| Connecting rod journal diameter | 53.003-52.983 mm |
| Maximum out-of-round Maximum taper |
0.0075 mm between cross sections 0.004 mm |
| Crankshaft end play | 0.075-0.377 mm |
| Connecting Rod | |
| Big end journal inside diameter with assembled liners | 53.049-53.027 mm |
| Rod bearing-to-journal clearance | 0.064-0.026 mm |
| Pin bore diameter (rod) | 22.024-22.012 mm |
| 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 - 0.23 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 |