Engine Mechanical - Toyota Land Cruiser 1988 Repair Manual

SERVICE SPECIFICATIONS- Engine Mechanical
A-3
ENGINE MECHANICAL
Specifications
Idle speed
Intake mani-
fold vacuum
Compression
pressure
Cylinder head
Valve guide
bushing
Valve
Valve spring
Valve rocker
arm and shaft
Push rod
at Idle speed
at 250 rpm STD
Limit
Difference of pressure between each cylinder
Cylinder block surface warpage Limit
Manifold surface warpage Limit
Valve seat Refacing angle Intake
Exhaust
Contacting angle
Contacting width Intake
Exhaust
Inside diameter
Outside diameter STD
OIS
0.05
Overall length STD
Intake
Exhaust
Limit
Intake
Exhaust
Face angle IN & EX
Stem diameter
Intake
Exhaust
Stem oil clearance STD
Intake
Exhaust
Limit Intake
Exhaust
Margin thickness STD Intake
Exhaust
Limit Intake
Exhaust
Squareness Limit
Free length
STD
Limit
Installed tension at
4~.0
mm (1.693 in.)
STD
Limit
Rocker arm inside diameter STD
Shaft diameter STD
Rocker arm oil clearance
STD
Limit
Circle runout
Limit
650 rpm
420 mmHg (16.54 in.Hg, 56.0 kPa) or more
10.5 kg
I
cm
2
{149 psi, 1,030 kPa) or more
8.0 kg
I
cm
2
114 psi 785 kPa
0.5 kg
I
cm
2
(7 psi, 49 kPa) or less
0.15 mm
0.10 mm
25°, 45°, 70"
45•, 65.
45"
1.1-1.7 mm
1.4-2.0 mm
8.01 0 - 8.030 mm
14.028 - 14.041 mm
14.078 - 14.091 mm
124.8 mm
128.0 mm
124.3 mm
127.5 mm
44.5·
7.970-7.985 mm
7.960-7.975 mm
0.025 - 0.060 mm
0.035 - 0.070 mm
0.10 mm
0.12 mm
1.5-2.1 mm
1.7-2.3 mm
1.0 mm
1.2 mm
1.8 mm
51.5 mm
50.0 mm
0.0059 in.
0.0039 in.
0.043 - 0.067 in.
0.055 - 0.079 in.
0.3154 - 0.3161 in.
0.5523 - 0.5528 in.
0.5543 - 0.5548 in.
4.913 in.
5.039 in.
4.894 in.
5.020 in.
0.3138 - 0.3144 in.
0.3134 - 0.3140 in.
0.0010 - 0.0024 in.
0.0014 - 0.0028 in.
0.0039 in.
0.0047 in.
0.059 - 0.083 in.
0.067 - 0.091 in.
0.039 in.
0.047 in.
0.071 in.
2.028 in.
1.967 in.
32.5 kg
27 kg
71.61b
59.51b
319 N
265 N
18.494- 18.515 mm 0.7281 - 0.7289 in.
18.464- 18.485 mm 0.7269- 0.7278 in.
0.009 - 0.051 mm 0.0004 - 0.0020 in.
0.08 mm 0.0031 in.
1.0 mm
0.039 in.