;
SPECIFICATIONS
FITS AND CLEARANCES
COMPRESSION RATIO L ............................................. ...... . . . . . 6.5 to 7
6.5 to 1
CYLINDER BORE DIAMETER - NEW
................................... ...... . .
2. 6245-2.6255
2.6245-2.6255
CRANKSHAFT END PLAY
............................................ . . . . . .
CRANKSHAFT - WIN BEARING JOURNAL DIAMETER ..................... . ...*.
CRANKSHAFT - WIN BEARING RUNNING CLEARANCE .................... . . . . . .
CRANKSHAFT - fWN BEARING THRUST CLEARANCE
..................... ..*...
CRANKSHAFT - CONNECTING ROD (CRANKPIN) JOURNAL DIAMETER ......... . . . . . .
CRANKSHAFT - CONNECTING ROD RUNNING CLEARANCE ..................
a....*
CONNECTING ROD SIDE PLAY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..-
.004-.OlO
)
. . . . . . . . . . . . . . . . . . . .
.6877-.6880
. . . . . . . . . . . . . . . . . . . . . .
.0003-.0008
CONNECTING ROD SMALL END DIAMETER (BUSHING IN PLACE
CONNECTING ROD - PISTON PIN FIT
. . . . . . . . . . . . . . . . . . .
PISTON PIN TO QISTON FIT (INTERFERENCE TO LOOSE) .
PISTON CLEARANCE (THRUST FACE AND TOP 0~ SKIRT)
PISTON RING SIDE CLEARANCE - TOP RING . . . . . . . . . . . . .
.....................
.OOOl to .0003
...................... .OGZ--0035
......................
-0015~,003
PISTON RING SIDE CLEARANCE - MIDDLE RING ................................
.0015-.003
PISTON RING SIDE CLEARANCE - OIL RING ...................................
.OOl-00025
PISTON RING END GAP .......................................................
.007-•o17
. . . .
0.. 1
. . . .
. . . . .
. . .
1
. . . .
L6OO
1654
.002-.OlO
099801.999*
.OOl-.0035
.003
:!40-1.341-
.004-.0025
CAMSHAFT JOURNAL DIAMETER (ALL) .......................................
1.5775-1.5785 1.5775-1.5785
CAMSHAFT - CAMSHAFT BUSHING RUNNING CLEARANCE ...........................
.0005-,003 .0005-moo3
CAMSHAFT END PLAY (SPRING LOADED - NOT MEASURABLE)
........................ .ooo
.ooo
VALVE CLEARANCE - INTAKE (COLD)
OO8 l OO8
VALVE CLEARANCE - EXHAUST (COLD)
l mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm*mm .Oll .Oll
VALVE STEM CLEARANCE IN GUIDE (INTAKE)
................................. .OOl-•OO25 .OOl-•OO25
VALVE STEM CLEARANCE IN GUIDE
................................ .0025-,004
.0025-•OO4
VALVE TAPPET CLEARANCE IN BLOCK
(EXHAUST)
.............. ..'.............* ............ .0012-.0023 .0012-.0023
VALVE GUIDE - PRESS FIT IN BLOCK
........................................ .0005-.002
.0005-moo2
VALVE SEAT INSERT (EXHAUST) PRESS FIT
.................................... .ooi-.004
.002-,004
*
Turn&g cmnkshaft
.OOP to l OO3S’.
1002-.OlO
1.998-1.999.
mOOI-moo35
.003
1.340-1.341
.OOl-•OO25
.007-•O16
Not Applicable
- .0005-,001
Push Fit
.0013-00038
l ooz-moo4
.002-,004
.OOl-,003
.007-•017
mains to size “Arr and us&g
comespond5ng bearing wi 22 give runn<ng ckarance of
UNDER SIZE
(A) MAIN BEARING JOURNAL DIAMETER
Standard
1.998" to 1.999"
.002
1.996" to 1.997"
.OlO
1.988" to 1.989"
,020
1.978" to 1.979"
.030
1.968" to 1 l 969”
Ttmttig cmnkpins ;to size
'W' and using corresponding bearing wi 22 give running cteamnce of . OOOP
to .0025"
.
UNDER SIZE
(8) CONN. ROD JOURNAL DIAMETER
3
Standard
x02
,010
,020
l o30
1.340" to 1.341"
1.338" to 1.339"
1.330" to 1.331:.
.
1.320" to 1.321"
1.310" to 1.311"
‘WOTE:
Bearing undersizes shown for MOO on&-on MS4 use undersize connecting pod assembly.
Cm 010 undkrsize avail&Ze at present.)
111 1 l
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