Originally Posted by qwerty

The test depicted in the video is the chatter test. Not the same as the pop test. The chatter test uses a slow stroke; pressure is not a criteria. (Gauge valve is closed.) For the pop test, build pressure rapidly (gauge valve open) and note the pressure when the injector fires. One test per stroke. To test spray pattern, use a long stroke with the gauge valve closed.

Most injectors will stream if you build pressure slowly enough.



Did you buy new injectors or did you buy new nozzles?