Section 256 (Engine - 6.7L Power Stroke Diesel): Specifications: Valve
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 |
|---|---|
| Valve stem diameter - intake | 0.2746 -0.2754 in (6.975 -6.995 mm) |
| Valve stem diameter - exhaust | 0.274 -0.275 in (6.97 -6.99 mm) |
| Valve stem-to-guide clearance - intake | 0.0016 -0.0031 in (.04 -.08 mm) |
| Valve stem-to-guide clearance - exhaust | 0.0018 -0.0033 in (.045 -.085 mm) |
| Valve head diameter - intake | 1.331 in (33.8 mm) |
| Valve head diameter - exhaust | 1.195 in (30.35 mm) |
| Valve face runout (TIR Max) | 0.001 in (.03 mm) |
| Valve face angle - intake (relative to top of head) | 29.5 degrees +/- 0.25 degrees from stem axis |
| Valve face angle - exhaust (relative to top of head) | 44.5 degrees +/- 0.25 degrees from stem axis |