Pontiac TRANS AM 1977 Service Manual page 806

6C-56 1977 PONTIAC SERVICE M A N U A L
NOTE*: ANGLE GAUGE METHOD CAN BE USED
-
SEE PAGE 6C-39
T U R N FAST I D L E SCREW
VACUUM HOSE A T EGR V A L V E
TO SPECIFIED RPM
I
A N D PLUG
FAST IDLE ADJUSTMENT
5
INSIDE AIR HORN WALL (SEE NOTE*)
5 B E N D T A N G
NOTE: HOLD GAUGE
O O N FAST IDLE CAM
TO ADJUST
FAST
I D L E
CAM
CHOKE COIL LEVER
PLACE C A M FOLLOWER
ON SECOND STEPOF
iTMENT CAM NEXT TO
w
\
'
\
HIGHSTEP
CHOKE ROD (FAST IDLE CAM) ADJUSTMENT
-
USE OUTSIDE
AND END O F SLOT I N LEVER
BLEED HOLE
REMOVE ACTER
ADJUSTMENT
1
AIR VALVE ROD ADJUSTMENT
I
CARB. NO.
CARB. NO.
17057250
253
255
256
258
262
263
266
274
502
504
550
553
582
584
CARB. NO.
17057250
253
255
256
258
262
263
266
274
502
504
550
553
582
584
M4MC-M4ME CARBURETOR OVERHAUL ADJUSTMENTS
Fig. 6C-103 M4MC Adjustment Procedures
RPM
LUG
iAUGI
-
STEP
LOW
LOW
LOW
LOW
LOW
HIGH
i I G H
i I G H
i I G H
i I G H
i I G H
LOW
-OW
i I G H
i I G H
AUGl