Cadillac 60 Series 1963 Shop Manual page 232

ENGINE MECHANICAL
9-39
SPECIFICATIONS (Cont'd.)
Items
All Series
Unless Other-
wise Noted Items
All Series
Unless Other-
wise Noted
Diameter at bottom of groove
Oil ring . . . . 3.551" - 3.556"
Compression rings 3.551" - 3.556"
Maximum wall thickness
Compression ring top .200"
Compression ring bottom . . . . . . ,200"
Oil ring (rail only). . . . . * . . . . .126"
PISTON PINS
Clearance between pin and piston--
New limits 00005" to .00015"
at 70°F.
Pin length . 3.090"
Pin diameter 9994" - .9997"
PISTON AND CYLINDERS
Cylinder bore out of round
(new or reground limit)
Not over .
.0005"
Taper, not over. .0007"
Cylinder bore, standard . . 4.0000" - 4.0020"
Cylinder sizes (as indicated by
letters stamped on Valve Lifter
Compartment cover rail of the block)
,ettei
A
B
C
D
E
H
J
K
L
M
AA
BB
CC
DD
EE
HH
JJ
KK
LL
MM
'iston
Cylinder
Sizes
4.0000-4.0002
4.0002-4.0004
4.0004-4.0006
4.0006-4.0008
4.0008-4.0010
4.0010-4.0012
4.0012-4.0014
4.0014-4.0016
4.0016-4.0018
4.0018-4,0020
4.0100-4.0102
4.0102-.4.0104
4.0104-4.0106
4.0106-4.0108
4.0108-4.0110
4.0110-4.0112
4.0112-4.0114
4.0114-4.0116
4.0116-4.0118
4.0118-4.0120
Material
Piston
Sizes
3.9995-3.9997
3.9997-3.9999
3.9999-4.0001
4.0001-4.0003
4.0003-4.0005
4.0005-4.0007
4.0007-4.0009
4.0009-4.0011
4.0011-4.0013
4.0013-4.0015
4.0095-4.0097
4.0097-4.0099
4.0099-4.0101
4.0101-4.0103
4.0103-4.0105
4.0105-4.0107
4.0107-4.0109
4.0109-4.0111
4.0111-4.0113
4.0113-4.0115
, Aluminum Allov
Piston skirt diameter for
service replacement pistons--
Standard Size . . . . 3.9995" through 4.0015"
.010" oversize . . . 4.0095" through 4.0115"
.020" oversize . . . . . . 4.0200" - 4.0210"
.030" oversize 4.0300" - 4.0310"
Piston skirt top clearance . . .0003" - .0008"
Piston skirt bottom clearance 000"
Piston top land diameter--
Standard 3.970" - 3.973"
Piston top land clearance . . . .029" - .037"
OIL PUMP
Backlash between drive
gears 008" - .012"
Clearance between pump body
drive shaft--
New Limits . 0010" - .0025"
Worn limits, not over 005"
Clearance between pump body
and gears--
New limits 003" - .005"
Worn limits, not over 005"
End play in pump gears--
New limits 001" - .004"
Worn limits, not over . 006"
Oil pump type Spur gear
CRANKSHAFT AND MAIN BEARINGS
Clearance, main bearings--
New limits 0008" - .0029"
Worn limits, not over 0045"
Main bearing caps--
Bolt thread diameter 1/2"
Main bearing journal, diameter 3."
Main bearing journals,
out-of-round not over 00025"
Main bearing journal length--
Front . . 1.068"
Intermediate 935"
Rear 1.622"
Main bearings,
material M400 Aluminum and
M100 Babbitt
Crankpin diameter 2.2488" - 2.2493"
Crankpin out-of-round,
not over. . .00025"
End play in crankshaft--
New limits 001" - .007"
Worn limits 010"
OIL PRESSURE REGULATOR
Clearance between valve plunger
and housing--
New limits-- . 0020"
Worn limits not over
.0035"
.005"