Mitsubishi 4G1 Service Manual page 238

SERVICE SPECIFICATIONS
Cylinder head
Flatness of gasket surface
Grinding limit of gasket surface
Total resurfacing depth of both cylinder
head and cylinder block
Overall height
Oversize rework dimensions of valve guide hole
(both intake and exhaust)
0.05 (002) O.S.
0.25 (.OlO) 0.s.
0.50 (.020) O.S.
Oversize rework dimensions of valve seat
ring hole
Intake 0.3 (.012) O.S.
0.6 (.024) O.S.
Exhaust 0.3 (.012) O.S.
0.6 (024) O.S.
Camshaft
Cam height
Intake
Exhaust
Journal O.D.
Bearing oil clearance
Rocker arm
I.D.
Rocker arm-to-shaft clearance
Rocker arm shaft
O.D.
Valve
Valve length
Intake
Exhaust
Stem O.D.
Intake
Exhaust
Face angle
Intake
Exhaust
Intake
Exhaust
Intake
Exhaust
Standard value
0.03 LOOI 2)
11.25 - 11.27 (.4429 - .4437)
11.50 - 11.52 (4528 - .4535)
31.80 - 31.83 (1.2520 - 1.2531)
29.30 - 29.32 (1.1535 - 1.1543)
37.78 (1.4874)
38.09 (1.4996)
44.93 - 44.94 (1.7689 - 1.7693)
0.05 - 0.09 (0020 - .0035)
20.02 - 20.04 (7882 - .7890)
0.02 - 0.05 (0008 - .OOZO)
19.99 - 20.00 (.7870 - .7874)
110.15 (4.3366)
113.7 (4.4764)
5.97 - 5.98 (.2350 - .2354)
5.95 - 5.97 (.2343 - .2350)
45" - 45"30'
1 .o (.039)
1.3 (.051)
0.02 - 0.04 (0008 - .0016)
0.03 - 0.06 (.0012 - .0024)
0.09 (.004)
0.20 (.008)
TSB Revision
Limit
0.2 (.008)
"0.2 (008)
37.28 (1.4677)
37.59 (1.4799)
0.1 (004)
0.5 (.020)
0.8 (.031)
0.10 (.0039)
0.15 (.0059)
I
mm (in.)