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Home >> Checker >> 1966 >> Marathon Base, Not Available, 5.3L Eng, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> Fuel Delivery >> ROCHESTER 4GC 4-Barrel >> Adjustment >> Float Level (Metal Floats) (Primary & Secondary) >> Carburetors with "Wedge-Shaped" Metal Floats

Carburetors with "Wedge-Shaped" Metal Floats

Two adjustments, "Heel" (Float Level) and "Toe" required on each float as follows: 

Fig 1: FLOAT LEVEL ADJUSTMENT (WEDGE SHAPED METAL FLOATS)
G09353174Courtesy of GENERAL MOTORS COMPANY