help with fuel pump sizing

It has been a long time since I last posted on here and the car and engine combo have now changed,
the engine will now be profiler headed 557 approximately, with a 136 procharger, 2500h max so what mechanical pump would be recommended.
I was told the lil bertha but which one.
will be running -12 fuel rails, plazman 545 injectors on alcohol
any help appreciated
formerly on this site as Ironbarkbert

Did you call the company that makes them and see which one they suggest? I "assume" they have a Tech line?

Personally, i would pick the manufacturer that your comfortable with and call them. Speak with an engineer and see what they recommend. They far more familiar with what their products are capable of than most of us.