General information
| Cylinder compression pressure | 6 atm (101 psi) minimum |
| Oil pressure (hot at 2000 rpm) | 3.47-4.76 atm (55-70 psi) |
Cylinder head and valves
| Maximum permissible skew | 0.076 mm (0.003 in) on any. 152 mm (6 in). 0.152 mm (0.006 in) overall. |
| Minimum width of the working edge of the valve | 0.79 mm (1/32 inch) |
| Inlet valve | |
| Saddle angle | 45 degrees |
| Rod diameter | |
| standard | 8.674-8.692 mm (0.3415-0.3422 in) |
| 0.015 over size | 9.058-9.073 mm (0.3566-0.3572 in) |
| 0.030 over size | 9.058-9.073 mm (0.3716-0.3722 in) |
| Clearance between valve stem and guides | |
| recommended | 0.457 mm (0.018 in) |
| operating limits | 0.25-0.686 (0.01-0.027 in) |
| Exhaust valve | |
| Saddle angle | 45 degrees |
| Rod diameter | |
| standard | 8.664-8.682 mm (0.3411-0.3418 in) |
| 0.015 oversize | 9.045-9.063 mm (0.3561-0.3568 in) |
| 0.030 oversize | 9.426-9.444 mm (0.3711-0.3718 in) |
| Clearance between valve stem and guides | |
| recommended | 0.584 mm (0.023 in) |
| operating limits | 0.38-0.81 mm (0.015-0.032 in) |
| Valve spring pressure | |
| with the valve closed | 311.4-346.9 N (70-78 lbf) at 38.1 mm (1.5 in) |
| with the valve open | 780.6-847.3 N (174.5-190.5 lbf) at 27.94 mm (11 in) |
| Free length of valve spring (approximate) | 44.7 mm (1.76 in) |
| Height of installed valve spring | 37.85 mm (1.49 in) |
| Valve lifter | |
| diameter (standard) | 22.2-22.21 mm (0.8740-0.8744 in) |
| tappet - hole clearance | 0.018-0.069 mm (0.0007-0.0027 in) |
Crankshaft and connecting rods
| Crankshaft connecting rod journal diameter | 53.93-53.95 mm (2.1232-2.1240 in) |
| Bearing oil clearance | |
| desirable | 0.02-0.038 mm (0.0008-0.0015 in) |
| acceptable | 0.02-0.061 mm (0.0008-0.0061 in) |
| Connecting rod side clearance (play) | |
| standard | 0.889-2.667 mm (0.0035-0.0105 in) |
| operating limits | 0.356 mm (0.014 in) |
| Crankshaft main journal diameter | 57.122-57.125 mm (2.2489-2.2490 in) |
| Bearing oil clearance | |
| desirable | 0.02-0.038 mm (0.0008-0.0015 in) |
| acceptable | 0.02-0.061 mm (0.0008-0.0015 in) |
| Play in the end of the crankshaft | |
| standard | 0.102-0.203 mm (0.004-0.008 in) |
| operating limits | 0.305 mm (0.012 in) |
Pistons and rings
| Piston diameter | |
| marked in red | 93.429-93.444 mm (3.6783-3.6789 in) |
| marked in blue | 93.459-93.475 mm (3.6795-3.6801 in) |
| marked in yellow | 93.49-93.5 mm (3.6807-3.6811 in) |
| Maximum clearance between piston and cylinder (selective assembly) | 0.091-0.142 mm (0.0036-0.0056) |
| Piston ring gap | |
| Compression rings | 0.203-0.406 mm (0.008-0.016 in) |
| Oil scraper rings (steel abrasion edges) | 0.381-1.397 mm (0.015-0.055 in) |
Camshaft
| Cam lift | |
| intake | 6.325 mm (0.249 in) |
| graduation | 6.071 mm (0.239 in) |
| Permissible reduction in lift | 0.127 mm (0.005 in) |
| Play in the end | 0.229 mm (0.009 in) |
| Camshaft drive chain slack | 12.7 mm (0.5 in) |
| Theoretical valve lift at zero clearance | |
| intake | 9.957 mm (0.392 in) |
| graduation | 9.576 mm (0.377 in) |
| Inner diameter of bearings (all) | 51.054-51.029 mm (2.01-2.009 in) |
| Bearing oil clearance | |
| standard | 0.025-0.076 mm (0.001-0.003 in) |
| operating limits | 0.152 mm (0.006 in) |
Tightening torque specification
| Nm | (foot pounds) |
| Through bolts for fastening the camshaft to the bar | 8.1-12.2 | (6-9) |
| Camshaft tensioner bolts | 8.1-12.2 | (6-9) |
| Camshaft Sprocket Bolt | 55.6-75.9 | (41-56) |
| Connecting rod cap nuts | 28.5-35.3 | (21-26) |
| Crankshaft pulley bolt | 189.8-230.5 | (140-170) |
| Crankshaft rear oil seal retainer mounting bolts | 8.1-12.2 | (6-9) |
| Flywheel bolts of the drive bar | 73.2-86.8 | (54-64) |
| Main Bearing Cap Bolts | 69.2-89.5 | (51-66) |
| Camshaft Drive Target Cover Bolts | 8.1-12.2 | (6-9) |
[For more information, please visit the website FordBook]