Motorcraft EV127A Positive Crankcase Ventilation Review

I have a 1987 Mustang LX Convertible. It has a 2.3 liter engine which I really like. I have owned several over the years and they are a very reliable team. I know one thing as a fact. OEM factories and 85% of the aftermarket are Chinese junk these days. This is the case with Purolator PCV valves. I tried the one they specifically recommended and you know what. . . High idle speed of 1000 rpm, which does not decrease even after cleaning the computer. I then bought a new Ford MotorCraft PCV here…