Cylinder Head
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
| Item | Specification |
|---|---|
| Cylinder head gasket surface flatness - overall | 0.004 in (.1 mm) |
| Valve arrangement (front to rear) | I-I-E-E-I-I-E-E-I-I-E-E-I-I-E-E |
| Valve seat width - intake, maximum service limit | 0.098 in (2.5 mm) |
| Valve seat width - exhaust, maximum service limit | 0.118 in (3 mm) |
| Valve seat runout (TIR Max) | 0.002 in (.055 mm) |
| Valve seat angle - intake (from deck face) | 30.25 deg. |
| Valve seat angle - exhaust (from deck face) | 45.25 deg. |
| Valve margin - intake (minimum) | 0.035 in (.9 mm) |
| Valve margin - exhaust (minimum) | 0.024 in (.6 mm) |
| Valve recession depth - intake | 0.063 -0.071 in (1.6 -1.8 mm) |
| Valve recession depth - exhaust | 0.071 -0.079 in (1.8 -2 mm) |
| Valve guide bore diameter | 0.277 -0.278 in (7.035 -7.055 mm) |