69 Dart Hard to Start When Hot, Starts Fine Cold. Vapor Lock?
As others have said check first to be sure you really have a lack of file issue.
But this photo speaks alot to me,
Note the level of the fuel. The rest is vapor try alcohol free gas.
Does this happen to yours when the engine is hot?
https://photos.app.goo.gl/QMB1A18RfUEz4Hgp9