Howdy folks, I ran into a situation today that I could use some input on. Last week I was called to client's property to take a look at their system. The zones were broken up into 4-5 rotors per valve (varying types, nozzles etc due to haphazard replacement). When the zones ran, they were dribbling out with no pressure. Static pressure was 54 psi at the bottom of the hill. PRV was wide open, with 92psi at the street so we had a plumber replace it and had it set for 75psi as per his recommendation. Now, the rotors are a lot better/closer to their correct radii but I'm only getting around 16-20psi using a pitot tube at the nozzle.The spray zones I'm getting a bit less. They are both still throwing a bit short. I'm starting to wonder if there isnt another issue going on. I did a bucket test at the hose bib and got 3.5 GPM which seemed pretty low. Meter is 5/8" 3/4" copper line to house (from what I could see leaving the meter/entering the PRV) 1" PVC irrigation main line 1" DCA Is this just a case of a lot of dynamic loss? My thought is to switch to MPs everywhere to drop the flow but I dont want to repair by replacement if its something bigger. Thanks!