2-4
CARS
VALVE
MECHANISM
VALVE
LASH-MECHANICAL
LIFTERS
Cold
I
NTAKE
AND
EX
H
AUS
T
390
Po
l
ice
Inter
cep
tor
and
4
~
V
·8
..................
0
.D28
Hot
I
NTAKE
3
90
Po
li
ce
Intere
e
pl
or
and
4
~
V·8,
..........
,
.,.
,
..
0,
0
25
EXHAU
ST
390
Pol
ice
Inlereeptor
and
4
~
V·8
."
...
. . .
...
,.,
..
,
0.025
VALVE CLEARANCE
Silent
Valv
e
La
sh
223
.......
,
........
,
....
. 0.
025"
Hydraul
ic
Valve lifters
144
and
170
....
,
.....
0.~
7·
0
.
200
t
11
1
and
160
.,
........
0,082
·0.
151
t
351
and
390
' .
....
, ,
..
0.
083
·0.1
83t
"'
Clearance
specified
is
obta
in
ed
al
the
va
l
ve
stem
lip
with
the
eccentric
sp
r
ing
comp
r
essed
.
tclearance
spec
ified
is
obtained
at
the
va
l
ve
stem
tip
with
the
lifter
co
l-
lapsed
.
VAL
VE,uH"'E·A"O'O"'I"'A·M"E"T"'ER"
Intake
144
..................
1.46
2·
1.471
170
.. . ,
.....
. . . , . ,
...
1.512-1.5
37
123
,
..
,
.....
.
....
,
...
I.775
·
1.785
11
1 a
nd
160
.. , .
""
, . .
1.582
·
1.597
351.
390
and
4~
,
. , . , ..
1.011
·1,
037
Exhaust
144
a
nd
170
. . . . . .
....
,
1.161
·
1.
1
76
123
..
....
....
, .
1.505
·
1.
5
10
221
and
160
..
,.,
...
,
..
1.381
·
1.396
35
2
and
390
.,
...
.
...
, .
1.551
·
1.566
4~
.. .. ..
.. . . .. . ..
..
1.645
·
1.660
VALVE STEM TO VALVE
GUIOE
CLEARANCE
Intak
e
144
and
170
..
.
.....
, 0,
0008
·0.
0015
Wear
Limi
l 0,
0045
111
and
160
,. , . . . , . , 0,
0008
·0.
0015
Wear
Lim
il
0.004
5
OIher
Engines
..
, , . , . . 0.
0010
·0.
0014
Wear
Limit
0,
0045
Ex
haust
144
and
1
70
.
..
, ,
....
0.
0018·0,0035
Wear
Limil
0,0055
111
and
260
' , , .
...
. .
0.0018
·0,
0035
Wear
L
im
it
0,0055
390
P
olice
and
406
...
.
0.0010
·
0,0034
Wear
Limil
0.
0055
Olher
Engin
es
..
, "
...
0.
0018
·0.
0041
Wear
Lim.t
0.
0055
VALVE STEM OIAMETER
Standard
I
NTAKE
144,
170,
111
and
160
.
0.3
100
·
0.3107
113.
' .,
.,.
,
.....
, . ,. 0,
34
16
·0
.
3413
351
,
390
and
4~.
,
..
,0
.3
711·0
.
37
18
EXHAUST
144
.
170
.
221
and
160
'
0.3090·0.3097
123
..
,
....
. , . . . , . , . , 0
.3
398
·0.
3405
3
52
and
390
,. ,
......
0.3693·0
.
3700
4~
.......
, , , , , .. , .. 0
.370
1
·0.3708
0 .
003
Oversize
I
NTAKE
144,
1
70
, 221
and
260
.
0.3
1
30·0
.
3137
213.
. , . ..
....
. .. , , , .
0.3446
·0.
3453
351
.
390
and
406
. . , . . 0.
3741·0.3748
EXHAUST
144
,
170,
221
and
260
.
0.3
120
·0.3
1
27
22
3.
,
..
.
........
, . , . 0,
3428·0
.
3435
352
a
nd
390
.,
..
. .
...
0
.3
723
·
0,3730
4~
....
,.,
.
..
" ,. ,
..
0
.3
731·0.3738
0.
015
Ove
rsi
ze
IN
TAKE
144,
170.
221
and
260
. 0
.3
250
·
0.3257
223.
. . . . . . , .. . . . , . .. 0.
3566
·0.
3573
352.
390
and
406
. , . . ,
0.3861
·0
.3
868
EXHAUST
144
,
170,
221
and
160
.0.
3240·0.3247
223.
' . , . , , , , . , . , .
...
0.3548
·
0.3555
352
and
390
,
..
. . .
...
0.3843
·
0,3850
4~
.
..
.
.....
. . . . .
...
0.3851·0
.
3858
0.030
Oversize
I
NTAKE
144
,
170.
211
and
260.0,
3400
·
0.3407
223.
.. .
..
, ,
...
.
...
, . 0.
3716·0.
3
723
3
52
,
390
and
4
~
. . .
..
0.
4011·0
.
4018
EXHAUST
144
.
170,221
and
260
.
0.3390·0,3397
223
: .. .. , ,
....
,
.....
0.
3698
·
0.3705
352
and
390
...
. , ., , ,
0.3993·0
,
4000
4~
,
. , . ..
.....
. , . ,
..
0.
4001·0
.
4008
VALVE FACE
RUNOUT
Intake
22
1,
223
,
260,352
,
390
and
4~
.0.002
144
and
170
.........
, ,
....
0.
00
15
Exhaust
144.
170
and
223
..........
. 0.
00
15
223
and
160
,
..
...
....
, , . . ,
,0
,
002
352,
3
90
and
4~
...
.......
.. 0
.002
'.
(
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