Ford VSG-411 Service Manual page 103

8-03
Specifications
8-03
PART 8 SPECIFICATIONS (Cont.)
Engine Model Year
Piston Rings (Continued)
Oil Ring Side Clearance 1 .I and 1.3L
Top Compression Ring - Standard Bore - Ring GapY
1984 to 1988
19899
.023-.073 mm O-.032 mm
0.25-0.45 mm
Bottom Compression Ring - Standard Bore - Ring Gap!?
0.25-0.45 mm
r
Oil Ring - Standard Bore - Ring Gap!! 0.20-0.40 mm
-I
Cylinder Head
Maximum permissible cylinder head distortion 1 .I and 1.3L:
Measured over a distance of 26 mm
Measured over a distance of 152 mm
Measured over the entire length
0.04 mm
0.08 mm
0.15 mm
1 Valve Stem Bore 1 .I and- 1.3L
I
7.907-7.938 mm 1 7.063-7.094 mm 1
Valve Seat Angle
Valve Seat Insert Exhaust Diameter (Standard Size)
1 .I L and 1.3Lcl
45O
31.500 mm (+ 0.015 and -0 mm)
1 .I and 1.3L Valve Seat Insert Intake Diameter?
Standard Not Available
Service Repair Exhaust Insert Onlyc/ 1 .I and 1.3L
Combustion Chamber Volume 1 .I
31.900-31.915 mm
25.55-27.55 cc
Not Available
27.24-29.24 cc
Combustion Chamber Volume 1.3
Reface cylinder head mating surface:
27.00-29.00 cc
31.79-33.79 cc
The following minimum combustion chamber depth must
be left after skimmino - 1 .I /I .3
9.67 mm 14.4 mm
1 Valve Mechanism
Lash
Intake - Cold
Exhaust - Cold
0.22 mm
0.59 mm
0.32 mm
Stem Diameter
Intake
Exhaust
7.868-7.886 mm
7.025-7.043 mm
7.846-7.864 mm 6.999-7.017 mm
Stem to Guide Clearance
Intake
Exhaust
0.021-0.070 mm 0.021-0.690 mm
0.043-0.092 mm 0.043-0.091 mm
Length
Intake
Exhaust
105.45-I 06.45 mm 103.70-I 04.40 mm
106.04-I 07.04 mm 104.02-I 04.72 mm
Head Diameter
Intake 1 .I L
Exhaust 1 .I L
32.89-33.15 mm 32.90-33.10 mm
29.01-29.27 mm 28.90-29.10 mm
Head Diameter
Intake 1.3L
Exhaust 1.3L
38.02-38.28 mm 34.40-34.60 mm
29.01-29.27 mm
28.90-29.10 mm
Seat Angle 1 .I and 1.3L 44.0" -44.5O
All specifications are in millimeters.
For Conversion Factors see page 8-05.
k/Ring Gap may exceed these specifications by 0.15 mm when measurement is made in the block.
Hnsert must be chilled in liquid nitrogen or dry ice prior to assembly.
,e/+ 0.015 mm
- -0.000 mm