Valve guides
Valve guides made of special cast iron are pressed into the cylinder head.
| Inner diameter of the intake and exhaust valve guide bushing | 7.907 – 7.938 mm |
Valves
| Operating valve clearance on a cold engine, mm: | |
| - inlet | 0,22 |
| - graduation | 0,59 |
| Valve dimensions, mm | |
| Inlet valve: | |
| - length | 105,45 – 106,45 |
| – plate diameter | 38,02 – 38,28 |
| – rod diameter: | |
| nominal | 7,866 – 7,868 |
| increased by 0.076 mm | 7,944 – 7,962 |
| increased by 0.38 mm | 8,249 – 8,267 |
| – clearance between valve stem and guide bushing | 0.021 – 0.070 mm |
| – valve lift height | 9,448 mm |
| Exhaust valve: | |
| - length | 105,15 – 106,15 |
| – plate diameter | 29,01 – 29,27 |
| – rod diameter: | |
| nominal | 7,846 – 7,864 |
| increased by 0.076 mm | 7,922 – 7,940 |
| increased by 0.38 mm | 8,227 – 8,245 |
| – clearance between valve stem and guide bushing | 0.043 – 0.092 mm |
| – valve lift height | 9,306 mm |
Valve seats
| Width of the working chamfer of the inlet and outlet valve seat | 1.20 – 1.70 mm |
| Angle of the working chamfer of the saddle | 450 |
| Upper cone angle | 300 |
| Lower cone angle | 750 |
Valve springs
The springs are the same for the inlet and outlet valves.
| Number of spring turns | 6 |
| Length of spring in free state | 42.0 mm |
[The article was taken in its entirety from the specified website FORDBOOK.ru]