Gets hot and stalls out

itsfishy said

Ah, I gotcha. Sorry, I’m still learning and the curve is steep. No it is not. And a return system will cut down on the chance of vapor lock, right?

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Vapor lock would be my first guess, too. Ii have had that exact same problem from the fuel line running too close to the header tubes. I wrapped that section of line with thermal insulation tape and problem went away.