I use 29ga, 7/64, 1.8 ohms, in my kayfuns. I lift the coil fairly high when I mount it, because I do like TH, but the vape from this coil is warm, but not hot at all; too hot gives me an asthma attack. I also don't compress it very tightly; just enough to make sure it's all uniform and that it fires as it should, from middle outwards, but keeping just a smidge of space between the wraps also helps to keep the heat down, and distribute it more across the wick, so the flavor is excellent.
Wick, either organic cotton or rayon; it really depends on my mood, the way the wind is blowing, and whether I'm using a full-size kayfun tank or my nano tank; the nano only works with rayon, with cotton that nano has never given me anything but burnt taste. With the full tank, either works very well.
Andria