Car Stalling / Fuel Starvation Question

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I had a similar issue with my old Rick's EFI tank (that I had bought a few years ago). It had check balls integrated into the tank plumbing to prevent those type of starvation issues. . It would only do it when it was hot and about a 1/4 tank or less). Put in a Vaporworx style one and have had zero issues since (regardless of fuel level or outside temperature).