ok so question. If both carbs are a size 3 will they work or should number mach for sure?
756S size 2 auto choke (1937 and newer Chevy engines)
787S size 2 manual choke (1937 and newer Chevy engines)
788S size 3 manual choke (1950 and newer Chevy engines)
789S size 3 auto choke (1950 and newer Chevy engines)
964S size 2 manual choke (1937 and newer Chevy engines)
965S size 2 auto choke (1937 and newer Chevy engines)
966S size 3 manual choke (1950 and newer Chevy engines)
967S size 3 auto choke (1950 and newer Chevy engines)
2008S size 2 manual choke (1937 and newer FLEET economy engines ONLY)
2046S size 2 manual choke (1932 � 1936 Chevy engines ONLY)
2100S size 3 manual choke (1950 and newer Chevy engines)
2101S size 3 manual choke (1950 and newer Chevy engines)
