I have never done this, but guessing again I would keep the plastic serving lines smaller, I think 3/16 is the standard, much better a slow nice pour than fast foam!
Slower through the chilling coil the better! Unless of course you have them 20 deep waiting in line for a brew, then get the yeti
Slower through the chilling coil the better! Unless of course you have them 20 deep waiting in line for a brew, then get the yeti