ance w h i c h c a n b e t o l e r a t e d i n u s e d
Specifications
engine parts and still ensure satisfactory
It should be emphasized
performance.
Specifications, clearances and wear limits
that the figures given as "Limits" must
It should be specif-
are listed below.
be qualified by the judgement of person-
ically noted that the clearances apply on-
nel responsible for installing new parts.
ly when all new parts are used at the
These wear limits are, in general, listed
point w h e r e t h e v a r i o u s specifications
only for parts more frequently replaced
This also applies to references
apply.
For additional
in engine overhaul work.
within the text of the manual.
information, refer to the t e x t .
umn entitled "Limits" in this chart lists
the amount of wear or increase in clear-
TABLE OF SPECIFICATIONS, NEW CLEARANCES AND WEAR LIMITS
These limits also apply to oversize and underslze parts
LIMITS
MAXIMUM
MINIMUM
ENGINE PARTS (Standard Size, New)
Cylinder Block
Block bore:
4.6270 "
4.6256 "
Diameter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.0020 "
.0010 "
Out-of-round. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.0020 "
.0010 "
Taper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cylinder liner counterbore:
5.0485 "
5.0460 "
Diameter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.4795 "
.4770 "
Depth. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Main bearing bore:
3.8130 "
3.8120 "
Inside diameter (vertical axis). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Top surface of block:
Centerline of main bearing bore
16.176 "min.
16.1890 "
16.1840 "
to top of block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.0030 "
Flatness--transverse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.0070 "
Flatness--longitudinal (4 cyl.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Depth of counterbores (top surface):
.1070
"
.0920
"
Cylinder head seal strip groove. . . . . . . . . . . . . . . . . . . . . . .
.1200
"
.1090
"
Large water holes (between cylinders). . . . . . . . . . . . . . . .
.0980
"
.0870
"
Small water holes (at ends). . . . . . . . . . . . . . . . . . . . . .
.0980
"
.0870
"
Combination water and oil holes . . . . . . . . . . . . . . . . . .
Cylinder Liner
4.6265 "
4.6250 "
Outside diameter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2511 "
4.2495 "
Inside diameter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.0020 "
.0025 "
.0000 "
Clearance--liner-to-block:
.0025 "
.0020 "
Out-of-round--inside diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.0020 "
.0010 "
Taper--inside diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.0500 "
.0500 "
.0450 "
Depth of flange BELOW (high block) . . . . . . . . . . . . . . . . . . .
.0020 "
.0020 "
Variation in depth between adjacent liners. . . . . . . . . . . .
.1800 "
.1795 "
Insert thickness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .