Escort L4-121 2.0L SOHC VIN P SFI (2002)
Valve: Specifications
Valve Guide Inner Diameter (I.D) inch
0.317-0.319
Intake and Exhaust (inch)
0.3174-0.3187
Valve Seats
Width - Intake and Exhaust (inch)
0.069-0.091
Angle Degrees
45
Runout (inch)
0.0025 MAX
(Total Indicated Runout [T.I.R])
Bore Diameter (Insert Counterbore Diameter)
Intake (inch)
1.572 MIN.
1.573 MAX.
Exhaust (inch)
1.375 MIN.
1.573 MAX.
Gaskets Surface Flatness (inch)
(0.0016)/(1)(0.003)/(6) (0.006) Total
Head Face Surface Finish (inch)
(28/100 0.030)
Valve Stem to Guide Clearance
Intake (inch)
(0.0008-0.0027)
Exhaust(inch)
(0.0018-0.0037)
Valve Head Diameter
Intake (inch)
(1.531-1.539)
Exhaust (inch)
(1-335-1.343)
Valve Face Runout Limit
Intake and Exhaust (inch)
(0.002)
Valve Face Angle Degrees
45.6
Valve Stem Diameter Standard (Std.)
Intake (inch)
(0.31S9-0.3167)
Exhaust (inch)
(0.3149-.3156)
Valve Springs Compression
(0.23858 inch)
Pressure ([lb.] @ [inch])
Loaded
(200) @ (1.09)
Unloaded
(95) @ (1.461)
Free Length (Approximate) (inch)
(1.86)
Installed Spring Height (inch)
(1.42-1.54)
Valve Springs Assembled Height (inch)
(1.44-1.48)
Service Limit, Pressure Lost @ Specified Height %
5