vacuum reference port

this year i am finally going to install a return line in my 71 dusters fuel system
i just bought a new regulator, and it comes with a vacuum port

is there any advantage to hooking that up?
in theory, it would give me a higher fuel pressure at the carb at WOT but i dont know if i need it

i guess it could run a lower fuel pressure at idle or part throttle, but again, no idea if there is a benefit to that

im running a quickfuel 750 on top of a 408
in the past i have had issues outrunning my fuel supply during the 1/4 but i believe that might have been due to the "jumper" hose from the pickup to the hardline


from the pump manual:
VACUUM/BOOST COMPENSATION PORT
While it is not necessary to connect a hose to the vacuum/boost compensation port, it may be beneficial in some cases. The vacuum/boost compensation port can be used to momentarily decrease fuel pressure (vacuum compensation) at idle and part throttle, or increase fuel pressure under blower boost (boost compensation). Connect a hose between the vacuum/boost compensation port and a carburetor or intake manifold vacuum port to vacuum index the regulator. The set pressure of the regulator decreases about 1 PSI for every 2 inches Hg (2 inches on the vacuum gauge). Connect a hose between the vacuum/boost compensation port and an intake manifold boost port to boost index the regulator. The set pressure of the regulator increases 1 PSI for every 1 PSI of boost.


if i understand this right, if i use a baseline of 7 PSI and run 14 inches of vacuum, that means it drops to zero at idle, that cant be good
on the other hand, if i set it at, say 4 at idle (while pulling 14 inches of vacuum) then stepping on it will spike the fuel pressure to 10 PSI
again, doesnt sound good

does this make sense? or am i missing something?