[img]https://www.stovebolt.com/ubbthread...134C029-7883-460F-93C9-860551654609.jpeg[/img]Update. No plugged up or vent problems. Although the hose could use replacement anyway.
So now with the tank out I’m testing by blowing or sucking the line from the mechanical fuel pump.. it has gas in it & it pumps when I turn the engine over.
Should I assume that it is normal to have difficulty sucking through the mechanical pump, or blowing through it?

1953 Chevy 153A 3/4-ton
Working on my project since 2015
Follow along in my DITY