Ford VSG-411 Service Manual page 121

08-5
Specifications
08-5
SPECIFICATIONS (Continued)
ENGINE MODEL YEARS 1993+
Piston Pin
Diameter 1 .I L and 1.3L
Length
l.lL
1.3L
Interference Fit in Rod at 21 OC 1 .I L and 1.3L
Clearance in Piston at 21 " C 1 .I L and 1.3L
Piston Rings
1
18.026-I 8.029 mm (0.7097-0.7098 in)
58.6-59.4 mm (2.31-2.33 in)
63.6-64.4 mm (2.51-2.53 in)
0.016-0.048 mm (0.0006-0.0018 in)
0.008-0.014 mm (0.0003-0.0006 in)
Top Compression Ring Thickness 1 .I L and 1 .3L
1.503-I .505 mm (0.05918-0.05925 in)
Bottom Compression Ring Thickness 1 .I L and 1.3L
1.728-1.740 mm (0.0680-0.0685 in)
Top Compression Ring Side Clearance 1 .I L and 1.3L
.013-.027 mm (0.0005-0.0011 in)
Bottom Compression Ring Side Clearance 1 .I L and 1.3L
.005-.042 mm (0.0002-0.0017 in)
Compression Ring Side Clearance - Wear Limit
0.15 mm (0.006 in)
Oil Ring Thickness 1 .I L and 1.3L
2.978-2.990 mm (0.1172-0.1177 in)
Oil Ring Side Clearance 1 .I L and 1.3L
O-.032 mm (O-0.0012 in)
Top Compression Ring - Standard Bore -
Ring Gap b/
0.25-0.45 mm (0.01 O-0.01 7 in)
Bottom Compression Ring - Standard Bore -
Ring Gap IT1/ 0.25-0.45 mm (0.01 O-0.01 7 in)
1
Oil Ring -
Standard Bore - Ring Gap b/ -
0.20-0.40 mm (0.008-0.015 in)
Cylinder Head
1
Maximum permissible cylinder head distortion
1 .I L and 1.3L:
Measured over a distance of 26 mm
0.04 mm (0.0015 in)
Measured over a distance of 152 mm
0.08 mm (0.003 in)
Measured over the entire length
0.15 mm (0.006 in)
L
Valve Stem Bore 1 .I L and 1.3L
7.063-7.094 (0.2781-0.2793 in)
Valve Seat Angle
45"
L
Valve Seat Insert - Exhaust, Outside Diameter c/ 1 .I L and 1.3L
-
Combustion Chamber Volume
1 .lL
1.3L
31.500-31.515 mm (1.2402-I .2407 in)
27.24-29.24 cc (4.22-4.53 cu in)
31.79-33.79 cc (4.93-5.24 cu in)
1
Reface cylinder head mating surface:
The following minimum combustion chamber depth must be left
after skimming - 1 .I L and 1.3L
All specifications are in millimeters (inches).
For Conversion Factors see page 8.
14.4 mm & 0.15 mm (0.567 in zt 0.006 in)
b/ Ring Gap may exceed these specifications by 0.15 mm
- (0.006 in) when measurement is made in the block.
c/ inset? must be chilled in liquid nitrogen or dry ice prior to assembly.