Take a shop towel & hold it at various places around the carb. If you get it over the leak the sound will be muffled.
There is a small plug along the fuel discharge channel on the inside of the top part of the carb on the model B Rochester. If that falls out it causes those symtems.


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
In the Gallery Forum