Fuel Vaporization Using Eddy Carb -- In-Line Fuel Pump Question

2 similar problems being confused here. A - when an engine is shut off and carb is hot and fuel boils out of carb. B - when fuel line from tank to mechanical pump is too hot and causes vapor lock. chrysler has a team of engineers and installed the filter between the mechanical pump and carb, some gas monkey had u install filter before pump. please leave filter before pump and buy or borrow a holley and tell us problem still exists