Fuel tank vent.

Ironracer said

Please don't take this as an argument, but I've lived in FL all my life. I've Never had vaporlock. Maybe the Summer blend is different here?

Click to expand...

I'm in Colorado, I don't get vapor lock either, but I do get vapor from the alcohol in the fuel, to the point the engine will fuel starve at times. My solution was to run alcohol free fuel, no more problem.