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Camshaft caps and valve dimensions - Audi MB/1B/MC-2 engines
The camshaft caps are asymmetric
- The camshaft runs directly in the head
- Camshaft caps are line-bored - damage means replacing the head
- The numbers cast on the caps do not indicate orientation
- Valve dimensions (in mm)
| | Inlet Valve | Exhaust valve |
|---|
| Diameter a | 38 | 33 |
|---|
| Diameter b | 7.97 | 7.95 |
|---|
| Length c | 91.0 | 90.8 |
|---|
| Angle α | 45° | 45° |
|---|
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