DIMENSIONS
AND
CLEARANCES
All clearances given
at
room temperature
of
70°
F.
All dimensions
in
inches unless otherwise specified.
CYLINDER
Cylinder Diar
leter Limits.
CAMSHAFT
Bearing Journal Diameter, Front.
Bearing Journal Diameter, Rear
Bearing Clearance
Lir
:i
End Play, Camshaft.
Cam Tappet Diameter
Cam Tappet Hole Qiameter
CONNECTING RODS
Large Bore Diameter.
Small Bore Diarneter
g
..
Distance Center/Large Bearing Bore
to
Small
B/re
Clearance, BeaFing-to-Crankshaft
CRANKSHAFT
Main Bearing Journal Diameter.
Main Bearii|g Clearance
Connecting'Rod Journal Diameter.
.
Rod Bearirfg Clearance
End Play, Crankshaft
PISTON
I
Piston Clearance
to
Cylinder Wall (Meafure
90
c
Oil Ring Groove)
,
to Pin, Just Below
Minimum
2.500
1.1875
.0015
.007
.8725
.8755
2.1871
1.044
5.998
.001
3.4995
2.2437
.0030
2.0600
.0019
.010
.0055
Maximum
2.505
1.1880
.0030
.039
.8730
.8765
2.1876
1.045
6.002
.003
3.5005
2.4445
.0043
2.0605
.0038
.015
.0075
PISTON
PlN
Piston Clearance
Connecting
Rod
Bushing
Thumb Push
Fit
.0002 .0007
PISTON RINGS
Piston Ring
Gap
Ring Widthl,
Top
I
2nd
ISrd.
VALVE,
INTAKE (Stellite Faced)
Stem Diameter
|.
Guide.Clearance
|.
Valve Face
. |...
Valve Cleararfce
VALVE,
EXHAUST (Stellite Faced)
Stem Diameterl •.../.
Guide Clearance
Valve Face
...
Valve Clearance
.010
.0925
.0925
.0925
.3405
.0025>
.020
.0935
.0935
.0935
.0415
.0030
.3415
.0045
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