I recently purchased a 312 Y block disassembled in 1967 to overhaul and not assembled including new parts to assemble The intake and carb are still together ..ECZ-B intake and an AFB 4 barrel with all the connections ..heat tube and spacer/..looks stock..carb has a large aluminum vac chamber connected to choke..the part number on carb is 2441 I looked up in hemmings parts locater and it says original on a 1957 Ford..312....it also shows AFBs on some 58 59 & 60 Fords [other # though].. What vehicle would this have been in??? ive not seen AFBs on Fords..THANKS

Mars , Pennsylvania