Carb fuel “log” vs dual fed lines?

I am using one of our fuel logs with a built-in regulator on the 440 in my Cuda. It clears most air cleaners, intake manifolds and valve covers. You can get them with dead-head or return style regulators:
https://www.robbmcperformance.com/products/fuellog_dh.htmlhttps://www.robbmcperformance.com/products/fuellog_bp.html