Pontiac FIREBIRD 1972 Service Manual page 755

6D-12 1972 PONTIAC SERVICE MANUAL
PURGE VALVE
USED ON: 350, 400 & 455 V-8
-.
w
STANDPIPE
I
CANISTER
RESTRICTION
'
/
LIQUID RETURN-
TO TANK
I I II
EXPANSION VOLUME
7
USED ON : 350, 400 & 455 V-8
WITH 2GV OR 4MV CARBURETORS WITH WGD CARBURETOR
USED ON: 250 L-6, 307 V-8 & 350 V-8
Fig. 6D-19 Evaporation Control System