hard start

:confused: I have a 99 3.8L and every time I fill with gas it is very hard to get it to stay running. Doesn't matter if i fill it all the way up or only half a tank. No codes are set or pending and happens every time. Once I do get it out of the gas station I have no issues its just for the...

I know there is a lot of topics already discussing this but cant find my particular situation so here it goes. I have a 67 Camaro with a 350, NEW starter, NEW plugs gaped at .45, and new 4 Barrel Carb. It starts just fine in the morning or when it has had a couple hours to cool off but if am...