"Buick Trademark(s) used with the written permission of General Motors"
 
 
Home Forums Garage Classifieds Reference




 
 
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