Econoline E350 1 Ton V10-6.8L VIN S (1998)
Valve Seat: Testing and Inspection
Width
1. Measure the valve seat width. If necessary, grind the valve seat to specification.
-
Measure the intake valve seat width.
-
Measure the exhaust valve seat width.
-
Recheck the valve spring installed length after the seats have been ground, and shim the valve springs as necessary to achieve the correct
installed spring length.