A little long winded sorry.
About 3 weeks ago I ordered and eVic easy head, factory 18650 battery tube, factory 3400mAh battery and usb cable. Wanted longer battery life than my ego 1000 mAh. I also got a Pro Tank 2 to hold more juice. Basically a longer lasting eCig; but was not sure I needed/wanted VV/VW. Dealt with the no draw issue on the Pro Tank 2 by slightly enlarging the PT2 base where the bottom of the head sticks thru to connect to battery center post. All was well with my world. Got into rebuilding the heads (micro coil and cotton). Everything is working well. Decided I DID want VV/VW. Was going to get the VV/VW eVic head. Found out I could get a complete Evic kit from Vaping Craze for about what just the head would cost; pulled the trigger. Arrived today! Charged it up when it arrived. Slapped the PT2 (my rebuilt coil 1.4 ohms) on it. Started vaping fine (it worked hadn`t changed any settings FW 1.2) Messed around with it, got wattage too high burnt the cotton. Changed to a factory 1.8 head. Thread it on snug, BAM! no draw. Im back to original air draw issues with PT2! Put PT2 back on the easy head works fine, what the hell? Are the center posts at different heights? Can I lower the center pin in the VV/VW head. I Have an airflow controller from MVS, it has a floating center pin and causes the same issue no matter what battery its on. Please any suggetions are welcome.