Replaced fuel pump, still not running…

B. Fuel pump isn't really needed for the carburetor to supply fuel. All it needs is fuel in the bowl(s). Fuel moves from the bowl to the intake through the low speed circuit(s) by the vacuum created unter the throttle plate(s).
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See MTSC 1966 Carburetor Fundementals for more details about how this works.
https://www.web.imperialclub.info/Repair/Lit/Master/index.htm
available in pdf format at www.mymopar.com