[MOTORHEAD]

I'm presently using a holly lo press dead head reg for my weber set-up, which works ok, but due to the fact I also have the engine driven pump plumbed in with additional hoses the system vaporlocks unless I run both pumps at all times which defeats the purpose of having the electric as a back-up & primer .
I want to run the excess fuel back to the tank to cool it. and I'm wondering if it's possible to use the unused "out" port on the reg as the return port ( with a restrictor) ? I think ELJARO uses it as a pressure bleed at shut down.
any thoughts?