Has anyone measured the fuel pressure at the entrance to the fuel rail of a 2018-2023 Ford Mustang with a N.A. Gen 3 Coyote engine at warm idle and what is it?

I’m trying to make sure that the fuel system on my Mustang Restomod meets the requirements given in in the M-6017-M50B Control Pack Instruction & Installation Manual (I know that it presently doesn’t because there is no intake manifold vacuum line connected to the fuel pressure regulator – the fuel pressure regulator has this port...

Fuel Pressure Question