I have recently installed the orifice tube in a new repro evaporator, and I found the orifice tube is free to slide about 3/4" beyond the the pipe opening before stopping. with the old evaporator, the orifice stopped near the pipe opening:
(pics not mine)
FAAFB1B3-DE9E-4FC5-8824-C303A4BE81F2.jpg
any feedback with the repro evaporator?
Thanks