Originally Posted by
tiny2white
Very crudely!
Take the return off the regulator aim it at a bucket

start the car and time 1 minute.
The car may run rich for that minute but will only be idling so shouldn't cause a problem
Or better still liven up the pump relay so the car doesn't have to run
i wouldnt do it with the car running myself, just get the pump to come on,, plus pump up the regulator. (max boost pressure+fuel static pressure) this way the pump is under working load.