Engine Valves & Valve Springs Specifications
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2001 Ford Pickup, 2001 Ford Expedition, 2001 Ford Econoline, 2000 Ford Pickup, and 2000 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
VALVES & VALVE SPRINGS
| Application | Specification | |||
|---|---|---|---|---|
| Valves | ||||
| Intake | ||||
| Face Angle | 45.5° | |||
| Head Diameter | 1.75-1.76" (44.37-44.63 mm) | |||
| Minimum Margin | .031" (.79 mm) | |||
| Stem Diameter | .2746-.2754" (6.975-6.995 mm) | |||
| Valve Face Runout | .002" (.05 mm) | |||
| Exhaust | ||||
| Face Angle | 45.5° | |||
| Head Diameter | 1.339" (34.00 mm) | |||
| Minimum Margin | .031" (.79 mm) | |||
| Stem Diameter | .2735-.2744" (6.949-6.970 mm) | |||
| Valve Face Runout | .002" (.05 mm) | |||
| Valve Springs | ||||
| Free Length | 2.101" (53.37 mm) | |||
| Out-Of-Square | 2.0 Degrees | |||
| Lbs. @ In. (kg @ mm) | ||||
| Pressure | ||||
| Expedition | ||||
| Valve Closed | 65 @ 1.57" (29.5 @ 39.9 mm) | |||
| Valve Open | 150 @ 1.10" (68.0 @ 28.2 mm) | |||
| E150 & F150 | ||||
| Valve Closed | 55 @ 1.57" (24.9 @ 40.0 mm) | |||
| Valve Open | 128 @ 1.10" (58.7 @ 28.0 mm) | |||