I stand to be corrected, but as far as I know, neither Ford or Edsel used Carters. Holley 1904s for the six cylinders, and Holley teapot (or towering inferno) for up to around 56-7, then Holley/Autolite 2V or 4V up til 70s?
I know Packard did in the late 40s-50s.