Subaru IMPREZA 2004 Service Manual page 96

Bend limit
Thrust clearance
Cam lobe height
Camshaft
Camshaft journal O.D.
Camshaft journal hole I.D.
Oil clearance
Surface warpage limit
Cylinder
Surface grinding limit
head
Standard height
Refacing angle
Valve seat
Contacting width
Inner diameter
Valve guide
Protrusion above head
Head edge thickness
Stem diameter
Valve
Stem oil clearance
Overall length
Free length
Squareness
Valve
spring
Tension/spring height
General Description
STD
Limit
STD
Intake
Limit
1.6 L
STD
Exhaust
Limit
STD
Intake
Limit
2.0 L
STD
Exhaust
Limit
STD
Intake
Limit
2.5 L
STD
Exhaust
Limit
STD
Limit
STD
Intake
Limit
STD
Exhaust
Limit
Intake
Exhaust
STD
Intake
Limit
STD
Exhaust
Limit
Intake
Exhaust
Intake
STD
Exhaust
Limit —
Intake
Exhaust
Set
Lift
ME(H4SO)-3
0.025 mm (0.0010 in)
0.030 — 0.090 mm (0.0012 — 0.0035 in)
0.10 mm (0.0039 in)
39.378 — 39.478 mm (1.5503 — 1.5542 in)
39.278 mm (1.5464 in)
39.565 — 39.665 mm (1.5577 — 1.5616 in)
39.465 mm (1.5537 in)
38.732 — 38.832 mm (1.5249 — 1.5288 in)
38.632 mm (1.5209 in)
39.257 — 39.357 mm (1.5455 — 1.5495 in)
39.157 mm (1.5416 in)
39.485 — 39.585 mm (1.5545 — 1.5585 in)
39.385 mm (1.5506 in)
39.257 — 39.357 mm (1.5455 — 1.5495 in)
39.157 mm (1.5416 in)
31.928 — 31.945 mm (1.2570 — 1.2577 in)
32.000 — 32.018 mm (1.2598 — 1.2605 in)
0.055 — 0.090 mm (0.0022 — 0.0035 in)
0.10 mm (0.0039 in)
0.05 mm (0.0020 in)
0.1 mm (0.004 in)
97.5 mm (3.84 in)
90°
1.0 mm (0.039 in)
1.7 mm (0.067 in)
1.5 mm (0.059 in)
2.2 mm (0.087 in)
6.000 — 6.012 mm (0.2362 — 0.2367 in)
20.0 — 20.5 mm (0.787 — 0.807 in)
16.5 — 17.0 mm (0.650 — 0.669 in)
1.0 mm (0.039 in)
0.6 mm (0.024 in)
1.2 mm (0.047 in)
0.6 mm (0.024 in)
5.950 — 5.965 mm (0.2343 — 0.2348 in)
5.945 — 5.960 mm (0.2341 — 0.2346 in)
0.035 — 0.062 mm (0.0014 — 0.0024 in)
0.040 — 0.067 mm (0.0016 — 0.0026 in)
0.15 mm (0.0059 in)
120.6 mm (4.75 in)
121.7 mm (4.79 in)
54.30 mm (2.1378 in)
2.5°, 2.4 mm (0.094 in)
214 — 246 N (22 — 25 kgf, 48 — 55 lb)/
45.0 mm (1.772 in)
526 — 582 N (54 — 59 kgf, 119 — 130 lb)/
34.7 mm (1.366 in)
MECHANICAL