Pontiac Grand Prix Service Manual page 366

68-38 1969
PONTIAC SERVICE MANUAL
WIDE OPEN
SPECIFIED CLEARANCE BETWEEN
FRONT EDGE OF VALVE A N D
TANG (.015")
r
-
Fig. 68-72 Air Valve Lockout
A d j u s t m e n t
Fig. 6B-73 Service Specifications
S E R V I C E
S P E C I F I C A T I O N S
CARIURETOR
MODEL
R o c h e s t e r
MV
7029165
7029 167
7029166
70291
6
8
Rochrter 2 GV
7029080
7029082
7028088
702807 1
R o c h e s t e r
4 MV
7029280
APPLICATION
250 MT
250 MT A/C
250 AT
250 AT A/C
400 AT
350 AT
400
MT
350 MT
250 AT
7029261
7029262
7029283
7029288
7029270
7018273
7028270
7028273
FLOAT
SETTING
9/32"
9/16''
3 / 1 6
-100''
FLOAT
DROP
- -
PUMP ROO
.
-
1-3/4"1-11/32".085"
250 MT
428 Bonneville AT
350-400-428MT
350
-
400.428 AT
400
-
Ram Air I V AT
400- Ram Air
I V MT
400
-
Ram Air AT
400
-
R a m
Air MT
3/8"
CHOKE
ROD
,200"
.2W'
. I 8 0
,180"
i
3 / 1 6
9/32"
114
114"
. 2 4 6
.180"
IDLE
VENT
.W
- -
1
9/32"
.015"
. .
VACUUM
BREAK
.275"
.275"
'.260"
,260"
.l5Vr
1
.170"
.160"
.150"
l nner
Hole
114"
1 /4"
9/32"
9/32"
.OW'
AIR
VALVE
LOCK-
OUT
- -
.300"
DhSH.
POT
- -
Center
Second-
- -
UN.
LOADER
. 4 5 0
-
-
METERING
ROD
.085"
CHOKE
COIL
ROD
Refer
To
Choke
A d j u s t -
ment
.180"
- -
Choke
A d j u a t -
ment