You should have 5 psi fuel pressure or so above boost pressure.

A pump designed for EFI is not going to work for you.

MBHD

I know there are guys running a lot of boost & blowing through carbs, I just have not asked them what pump they use.

And if I found out what pump they use,, snowman, you are not going to like that price either.

12 port SDS EFI