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ROCHESTER Triple 2-Barrel Carburetors: Adjustment: Unloader

With throttle valves held wide open, clearance between upper edge of choke valve and air horn wall should be as indicated in specification table. To adjust, bend tang on throttle lever to provide proper clearance.

Fig 1: AUTOMATIC CHOKE ADJUSTMENT (2CV CARBURETORS)
G09353167Courtesy of GENERAL MOTORS COMPANY
NOTE: When making unloader adjustment, open throttle valves by having someone depress accelerator pedal to floor to simulate actual driving conditions.
Fig 2: CHOKE ROD ADJUSTMENT
G09353168Courtesy of GENERAL MOTORS COMPANY
Fig 3: UNLOADER ADJUSTER
G09353169Courtesy of GENERAL MOTORS COMPANY