Evaporating Fuel in Carter 4-Barrel Carb?

In my experience, Carters/Edelbrocks seem to suffer from this more than Holleys... Not that that makes me a Holley fan, by any means.....

Yep, and it's the design of the bowls that make the difference.
Holley bowls hang out in open air and the Carters and Eddies are totally enclosed in the body of the carbs.