EMISSION
CONTROL SYSTEMS
6D-3
1.
With
carburetor
mixture
screws
backed
out 5
turns
and idle
stop
solenoid active set the idle
stop
solenoid
screw
to obtain 'A
9
rpm. (Fig. 6D-2).
2. Turn mixture
screws
clockwise to obtain 'B'
rpm,
idle
stop
solenoid
still
active. Do not
readjust
idle
stop
solenoid
screw.
3.
With
Idle
stop
solenoid inactive,
adjust
the idle
speed
screw
on the
carburetor
to obtain 'C rpm
(solenoid Inactive
speed).
Do not
readjust
mixture or
solenoid
screws.
Procedure
for setting fast idle -
with
transmission
in
neutral,
choke
valve
fully
open
and fast idle lever
on the top
step
of the fast idle cam.
1. Bend fast idle tang on throttle lever of one
barrel manual transmission
carburetor.
2. Adjust fast Idle
screw
on four barrel
carburetor.
NOTE:
Curb idle on auto-matic transmission
cars
to be set in drive with A/C turned off (where
fitted).
NOTE:
It is important
that
the idle and timing
specifications
are strictly adhered to in order to
ensure proper control of exhaust emissions.
The
accuracy
of the
tachometer
used
for idle ad-
justments
should be
checked
periodically by an
authorized
representative.
DWELL
AND
IGNITION
TIMING
SPECIFICATIONS
Dwell Point Gap
*
Ignition Timing
6 Cyl (1 Bbl) 33° All
engines-
0° TDC
6 Cyl (4 Bbl) 33° .019" New 5°
BTDC
All
V-8 30° .016" Used 9°
BTDC
NOTE:
Ignition timing to be checked with both
hoses to distributor vacuum unit disconnected and
idle
stop solenoid disconnected (solenoid inactive
speed).
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