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Carter Carburetor CFM Identification for Buicks

Carter Carburetor CFM - Venturi Bore Diameters


CFM Venturi Diameter Bore Diameter
  primary secondary primary secondary
400 1 1/8 1 1/4 1 7/16 1 7/16
500 1 3/16 1 1/4 1 7/16 1 11/16
575 1 1/4 1 9/16 1 9/16 1 11/16
625 1 3/16 1 9/16 1 7/16 1 11/16
750 1 7/16 1 9/16 1 11/16 1 11/16

Specifications and Parts list for Buick Carter Carburetors

Buick Dual Qaud Carb Specifications, click here...