Chevrolet Corvette 1963 Repair & Tune-Up Manual page 175

Position the cam follower on the second
step of the fast-idle cam, touching the high
step. Close the choke valve and gauge the
clearance between the lower edge of the valve
and the body. Bend choke rod to obtain the
specified clearance.
CHOKE COIL LEVER ADJUSTMENT
Refer to the accompanying illustration to per-
form this adjustment.
AIR VALVE ROD ADJUSTMENT
Refer to the accompanying illustration to per-
form this adjustment.
FRONT VACUUM BREAK ADJUSTMENT
Refer to the accompanying illustrations to
perform this adjustment.
' LOOSEN THREE
RETAINING SCREWS AND REMOVE THE
THERMOSTATIC COVER AND COIL
ASSEMBLY FROM CHOKE HOUSING.
©
AIR VALVE
©
COMPLETELY CLOSED W
COMPLETELY CLOSED Jf
©
BEND HERE FOR SPECIFIED
CLEARANCE BETWEEN ROD
AND END OF SLOT IN LEVER
EMISSION CONTROLS AND FUEL SYSTEM
' BEND CHOKE ROD AT
THIS POINT TO
ADJUST (SEE INSET).
Quadrajet® choke coil lever adjustment
PLACE .015" PLUG GAUGE BETWEEN ROD AND
END OF SLOT IN LEVER
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[1
\7Z=3fl»
{T&J
181
Quadrajet air valve rod adjustment
ROTATE COIL LEVER
COUNTER CLOCKWISE
UNTIL CHOKE VALVE
IS CLOSED
Quadrajet® choke rod adjustment
CHOKE VALVE
CLOSED
PUSH UP ON THERMOSTATIC COIL
TANG (COUNTERCLOCKWISE)
UNTIL CHOKE VALVE IS CLOSED.
LOWER EDGE OF LEVER SHOULD
JUST CONTACT SIDE OF PLUG
GAUGE.
INSERT SPECIFIED
PLUG GAUGE.
PLACE FAST IDLE CAM
FOLLOWER ON HIGH STEP
OF FAST IDLE CAM.
SEAT C H
(TO °KE VACUUM
f I DIAPHRAGM USING
J - j VACUUM
OUTSIDE
I
SOURCE
157
CHOKE VALVE
COMPLETELY
-