Valve seats
WARNING: This page is about a different car, the 2001 Volvo C70, 2000 Volvo C70, and 1999 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of VOLVO CARS OF NORTH AMERICA.
| Angles: |
| Inlet / exhaust matching surface angles........45° |
| Reduction angle upper inlet........15° |
| Reduction angle upper outlet........15° |
| Reduction angle lower........60° |
| Angle seat width (a) |
| Inlet........1.4-1.8 mm |
| Exhaust........1.8-2.2 mm |