Car stalling at idle after topping it off.

Redhelmet said

If any of you have any vapor lock solutions more specific to 2barrel bbd 273 1967 dodge dart setup feel free to give any tips.

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I can tell you how to verify it. Get a bunch of wood clothespins and clamp them on all of the metal fuel line you can get to. A bunch of um. If the problem goes away, it's vapor lock. It's actually very rare to have real vapor lock though.