Valve Guides
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 1995 Ford RV Cutaway, 1995 Ford Pickup, 1995 Ford F-Super Duty, 1995 Ford Econoline, and 1995 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Check valve stem-to-guide oil clearance. If clearance is not within specification, replace cylinder head. See CYLINDER HEAD table under ENGINE SPECIFICATIONS.