Ford Corsar Repair Manual page 128

ENGINE OVERHAUL -Inspection-
piq
PISTON AND PISTON PIN CLEARANCE
Confirm piston pin is a smooth push fit by hand at room
temperature.
Piston pin to piston clearance:
0.008
-
0.012 mm (0.0003
-
0.0005 in)
Apply engine oil to piston pin.
PISTON RING SIDE CLEARANCE
Side clearance:
Top ring
0.040
-
0.073 mm (0.0016
-
0.0029 in)
2nd ring
0.030
-
0.063 mm (0.0012
-
0.0025 in)
Max. limit of side clearance (Top and 2nd rings):
0.1 mm (0.004 in)
PISTON RING GAP
Standard ring gap mm (in):
Top ring
0.25
-
0.51 (0.0098
-
0.0201)
2nd ring
0.15
-
0.31 (0.0059
-
0.0122)
Oil ring (Rail ring)
0.20
-
0.76 (0.0079
-
0.0299)
Max. limit of ring gap:
l .0 mm (0.039 in)
BEARING CLEARANCE
Bearing clearance:
Main bearing
0.020
-
0.047 mm (0.0008
-
0.0019 in)
Limit 0.1 mm (0.004 in)
Connecting rod bearing
0.010
-
0.044 mm (0.0004
-
0.0017 in)
Limit 0.1 mm (0.004 in)
Method A (Using plastigage)
CAUTION:
Do not turn crankshaft or connecting rod while the plastigage
is being inserted.
When bearing clearance exceeds the specified limit, ensure
that the proper bearing has been installed. However, if exces-
sive bearing clearance s t i l l exists, use thicker main bearing or
undersized bearing so that the specified bearing clearance i s
obtained.